Backorder Items

Items in this category are not eligible for return, except if incorrectly supplied.

Add the quantities required for each item, then click "Add to Cart" before proceeding to the next page

Product Price Quantity
Extension Springs - 3.96x152.4x0.51 mm - Steel ES-0396-1524-05-M (Each)
Extension Springs - 3.96x152.4x0.51 mm Music Wire - Steel Spring

 $16.14
Temporarily Out Of Stock -> Backorder now for delivery around Jun 30, 2026
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Extension Springs - 3.96x279.4x0.61 mm - Steel ES-0396-2794-06-M (Each)
Extension Springs - 3.96x279.4x0.61 mm Music Wire - Steel Spring

 $5.95 $11.21
Temporarily Out Of Stock -> Backorder now for delivery around Jun 30, 2026
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Groove Pins - 3.962x9.53 - N/A - Zinc Plated Steel GP2-0391-0953-Z (PK-100)
Groove Pins - 3.962x9.53 - - - Zinc Plated Steel Pin

 $136.32 $163.58
Temporarily Out Of Stock -> Backorder now for delivery around Jun 30, 2026
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Groove Pins - 3.962x25.4 - N/A - Zinc Plated Steel GP2-0391-2540-Z (PK-100)
Groove Pins - 3.962x25.4 - - - Zinc Plated Steel Pin

 $151.95
Temporarily Out Of Stock -> Backorder now for delivery around Jun 30, 2026
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Ceramic Balls - 3.969 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball BL-00397-SN-G25 (PK-200)
Ceramic Balls - 3.969 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball

 $278.50
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 4R-0040-0914-KPO (PK-2)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045

 $20.23 $24.27
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Glass Balls - 3.969 mm Black Glass - AFBMA Grade 25 Fused Silica Ball BL-00397-BG-G25 (PK-5)
Glass Balls - 3.969 mm Black Glass - AFBMA Grade 25 Fused Silica Ball

 $96.59 $115.91
Temporarily Out Of Stock -> Backorder now for delivery around Aug 02, 2026
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Ceramic Balls - 3.969 mm Synthetic Sapphire - AFBMA Grade 25 Ball BL-00397-SP-G25 (PK-5)
Ceramic Balls - 3.969 mm Synthetic Sapphire - AFBMA Grade 25 Ball

 $78.05 $93.65
Temporarily Out Of Stock -> Backorder now for delivery around Aug 02, 2026
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Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045 Zinc Plated 4R-0039-0300-KZU (Each)
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045 Zinc Plated

 $5.41 $6.49
Temporarily Out Of Stock -> Backorder now for delivery around Aug 13, 2026
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Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 Zinc Plated 4R-0040-0914-KZO (PK-2)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 Zinc Plated

 $29.41 $35.29
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045 4R-0040-0914-KPU (PK-16)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045

 $244.14 $292.96
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Unflanged Bushes - 3.969x6.35x3.175 mm - Bronze SAE 841 Sintered BP0039-0064-0032-BSLH (Each)
Unflanged Bushes - 3.969x6.35x3.175 mm - Bronze SAE 841 Sintered Bush

 $4.68 $5.62
Temporarily Out Of Stock -> Backorder now for delivery around Sep 05, 2026
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Unflanged Bushes - 3.969x6.35x6.731 mm - Bronze SAE 841 Sintered BP0039-0064-0067-BSLH (Each)
Unflanged Bushes - 3.969x6.35x6.731 mm - Bronze SAE 841 Sintered Bush

 $4.68 $5.62
Temporarily Out Of Stock -> Backorder now for delivery around Sep 05, 2026
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Lock Washers - 3.969x7.2x1.2 mm W0040-T-007-012-L-CZ (PK-100)
Lock Washers - 3.97x7.2x1.2 mm Split Washer

 $38.59
Temporarily Out Of Stock -> Backorder now for delivery around Aug 20, 2026
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Single Row Ball Bearings - 3.969x7.938x2.779 mm - Stainless Steel AISI 440C SR155-MC3-AF12 (PK-50)
Single Row Ball Bearings - 3.969x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C Bearing

 $249.77 $299.73
Temporarily Out Of Stock -> Backorder now for delivery around Jul 11, 2026
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Single Row Ball Bearings - 3.969x7.938x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque SR155-MC34-GR5-R-L23 (PK-22)
Single Row Ball Bearings - 3.969x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing

 $1,034.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque SR155-MC34-GR7-R-L23 (PK-50)
Single Row Ball Bearings - 3.969x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing

 $2,674.50
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Unflanged Bushes - 3.969x7.938x2.779 mm - Bronze SAE 841 Sintered BP0039-0079-0028-BSLU (Each)
Unflanged Bushes - 3.969x7.938x2.779 mm - Bronze SAE 841 Sintered Bush

 $35.41 $42.49
Temporarily Out Of Stock -> Backorder now for delivery around Sep 05, 2026
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Single Row Ball Bearings - 3.969x7.938x2.779 mm - Stainless Steel AISI 440C SFR155-MC34-GR5-R-L23 (PK-20)
Single Row Ball Bearings - 3.969x7.938x2.779 mm Flanged - Stainless Steel AISI 440C Bearing

 $1,045.50
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x2.779 mm - Stainless Steel AISI 440C SFR155-MC34-GR7-R-L23 (PK-50)
Single Row Ball Bearings - 3.969x7.938x2.779 mm Flanged - Stainless Steel AISI 440C Bearing

 $2,970.86
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SR155A-ZZS-MC3-JP6 (Each)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing

 $15.50 $18.60
Temporarily Out Of Stock -> Backorder now for delivery around Jul 18, 2026
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Flanged Bushes - 3.969x7.938x2.779 mm - Bronze SAE 841 Sintered BF0039-0079-0028-BS0906LU (Each)
Flanged Bushes - 3.969x7.938x2.779 mm - Bronze SAE 841 Sintered Bush

 $35.32 $42.38
Temporarily Out Of Stock -> Backorder now for delivery around Sep 05, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing SR155A-ZZS-MC34-GR5-R-L23 (PK-20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing

 $1,113.32
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SR155A-ZZS-MC3 (PK-50)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing

 $296.59
Temporarily Out Of Stock -> Backorder now for delivery around Jul 11, 2026
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Dental Applications Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C - High Speed Phenolic Cage Bearing SR155A-ZS-MC34-GR5-KC-L23 (PK-30)
Dental Applications Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C - High Speed Phenolic Cage Bearing

 $1,964.50 $2,357.40
Temporarily Out Of Stock -> Backorder now for delivery around Oct 11, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing SR155A-ZZS-MC34-GR7-R-L23 (PK-50)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing

 $3,153.23
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100 R155A-ZZS-MC3 (PK-20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing

 $149.95 $179.95
Temporarily Out Of Stock -> Backorder now for delivery around Jul 11, 2026
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Unflanged Bushes - 3.969x7.938x3.175 mm - Bronze SAE 841 Sintered BP0039-0079-0032-BSLU (Each)
Unflanged Bushes - 3.969x7.938x3.175 mm - Bronze SAE 841 Sintered Bush

 $35.50 $42.60
Temporarily Out Of Stock -> Backorder now for delivery around Sep 05, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SFR155A-ZZS-MC3-JP6 (PK-20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing

 $183.59 $386.57
Temporarily Out Of Stock -> Backorder now for delivery around Jul 11, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SFR155A-ZZS-MC34-GR7-R-L23 (PK-40)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing

 $2,779.41
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm - Stainless Steel AISI 440C SWR155A-ZZS-MC34-U3-AF12 (Each)
Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing

 $55.14
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SFR155A-ZZS-MC34-GR5-R-L23 (PK-20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing

 $1,227.05
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm - Stainless Steel AISI 440C SWR155A-ZZS-MC34-U3-G5 (PK-50)
Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing

 $1,722.50
Temporarily Out Of Stock -> Backorder now for delivery around Jun 30, 2026
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Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball BL-00397-S4-G100 (PK-500)
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball

 $12.23
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm - Stainless Steel AISI 440C SFWR155A-ZZS-MC34-GR7-R-L23 (PK-30)
Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm Flanged - Stainless Steel AISI 440C Bearing

 $2,918.14
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm - Stainless Steel AISI 440C SFWR155A-ZZS-MC34-GR5-R-L23 (PK-20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm Flanged - Stainless Steel AISI 440C Bearing

 $1,497.59
Temporarily Out Of Stock -> Backorder now for delivery around Aug 03, 2026
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Flanged Bushes - 3.969x7.938x3.175 mm - Bronze SAE 841 Sintered BF0039-0079-0032-BS0909LU (Each)
Flanged Bushes - 3.969x7.938x3.175 mm - Bronze SAE 841 Sintered Bush

 $35.95 $43.15
Temporarily Out Of Stock -> Backorder now for delivery around Sep 05, 2026
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Flat Washers - 3.97x9.53x1.59 mm - Fibre W0040-F-010-016-FBR-R (PK-1000)
Flat Washers - 3.97x9.53x1.59 mm Commercial - Fibre Washer

 $161.59 $193.91
Temporarily Out Of Stock -> Backorder now for delivery around Aug 20, 2026
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Lock Washers - 3.969x9.7x0.6 mm W0040-LE-010-006-CZ (PK-100)
Lock Washers - 3.97x9.7x0.6 mm External Tooth Washer

 $15.86
Temporarily Out Of Stock -> Backorder now for delivery around Aug 20, 2026
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External Retaining Rings - 3.97x0.64 - - Circlips - Carbon Steel Circlip CNG-00397-06-C-2 (PK-100)
External Retaining Rings - 3.97x0.64 - - Circlips - Carbon Steel Circlip

 $18.50 $43.20
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Circlip Pliers Tools - Clip Size Range 3.97 mm -5/32 Imperial- Small Hole Straight ° - External Only PRS-E023-M (Each)
Circlip Pliers Tools - Clip Size Range 3.97 mm - 5/32 Imperial - Small Hole Straight 0 ° - External Only External

 $146.86 $176.24
Temporarily Out Of Stock -> Backorder now for delivery around Sep 03, 2026
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E-Clips Retaining Rings - 3.97x2.95x0.38 mm - Carbon Steel ECB-0029-0039-C (PK-750)
E-Clips Retaining Rings - 3.97x2.95x0.38 mm Bowed - Carbon Steel E-Clip

 $151.32
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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E-Clips Retaining Rings - 3.97x2.95x0.64 mm - Carbon Steel ECL-0029-0039-C (PK-100)
E-Clips Retaining Rings - 3.97x2.95x0.64 mm Basic - Carbon Steel E-Clip

 $17.14 $40.08
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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External Retaining Rings - 3.97x0.64 - - Circlips - Stainless Steel AISI 420C Circlip CNG-00397-4 (PK-250)
External Retaining Rings - 3.97x0.64 - - Circlips - Stainless Steel AISI 420C Circlip

 $703.32 $1,654.00
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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E-Clips Retaining Rings - 3.97x3.01x0.89 mm - Carbon Steel ECL-0030-0039-C-KR (PK-50)
E-Clips Retaining Rings - 3.97x3.01x0.89 mm Klipring - Carbon Steel E-Clip

 $21.77 $50.95
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Hexagonal Nuts - 5/32-32 BSW -3.969mm- 3.2x7 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 NT039W-HX-S4 (PK-100)
Hexagonal Nuts - 5/32-32 BSW - 3.969mm - 3.2x7 mm Full - Stainless Steel 304 Similar to A2, 18-8 HRB80 Nut

 $24.41
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Wing Nuts - 5/32-32 BSW -3.969mm- - - Brass NT039W-WG-BR (PK-200)
Wing Nuts - 5/32-32 BSW - 3.969mm - - - - - Brass Nut

 $221.86 $266.24
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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E-Clips Retaining Rings - 3.97x3x1.06 mm - Carbon Steel ECL-0030-0039-C (PK-1250)
E-Clips Retaining Rings - 3.97x3x1.06 mm Basic - Carbon Steel E-Clip

 $271.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 26, 2026
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Woodruff Keys - 3.97x15.88x6.4 mm - Stainless Steel 303 Similar to A2, 304, 18-8 KW-040-062-153-S3 (Each)
Woodruff Keys - 3.97x6.2x15.29 mm 303 Stainless Steel - Stainless Steel 303 Similar to A2, 304, 18-8 Key

 $5.68 $6.82
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Hexagonal Nuts - 5/32-32 BSW -3.969mm- 3.2x7 mm - Brass NT039W-HX-BR (PK-50)
Hexagonal Nuts - 5/32-32 BSW - 3.969mm - 3.2x7 mm Full - Brass Nut

 $32.86
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Needle Roller without Inner Ring Bearings - 3.97x7.14x7.92 mm / 262 mm - Chrome Steel Shell NSO-0040-0071-0079-FC (Each)
Needle Roller without Inner Ring Bearings - 3.97x7.14x7.92 mm / 262 Kgf Shell Type - Chrome Steel Bearing

 $10.14 $12.16
Temporarily Out Of Stock -> Backorder now for delivery around Jun 18, 2026
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Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated K-0397-0397-2540BO-Z (PK-50)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated Key

 $25.14 $30.16
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 K-0397-0397-2540B-C (PK-100)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Key

 $33.41 $40.09
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated K-0397-0397-3810BO-Z (PK-950)
Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated Key

 $930.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Woodruff Keys - 3.97x19.05x8 mm - Carbon Steel C45 KW-040-078-185-CH (PK-13)
Woodruff Keys - 3.97x7.8x18.54 mm Plain - Carbon Steel C45 Hardened Key

 $12.50 $15.00
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Woodruff Keys - 3.97x22.23x9.3 mm - Carbon Steel C45 KW-040-094-217-C (PK-500)
Woodruff Keys - 3.97x9.4x21.69 mm Plain - Carbon Steel C45 Key

 $966.14
Temporarily Out Of Stock -> Backorder now for delivery around Jul 29, 2026
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Roll Pins - 3.97x9.5x4.37 mm - Spring Steel Zinc Plated RP039-0095-Z (PK-500)
Roll Pins - 3.97x9.5x4.37 mm - Carbon Spring Steel Zinc Plated Pin

 $277.23 $332.67
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Pan Head Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Phillips SC039W-006-P-PH-CZ (PK-100)
Pan Head Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Phillips Screw

 $47.41
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Slotted SK039W-006-SL-CZ (PK-100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Slotted Screw

 $47.41
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Roll Pins - 3.97x9.53x4.37 mm - Carbon Spring Steel Self Finish RP039-0095-C (PK-100)
Roll Pins - 3.97x9.53x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $21.23 $25.47
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Roll Pins - 3.97x7.92x4.37 mm - Carbon Spring Steel Self Finish RP039-0079-C (PK-1000)
Roll Pins - 3.97x7.92x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $299.32 $359.18
Temporarily Out Of Stock -> Backorder now for delivery around Oct 01, 2026
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Roll Pins - 3.97x11.1x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0111-420 (PK-1000)
Roll Pins - 3.97x11.1x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

 $173.50 $208.20
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Roll Pins - 3.97x11.1x4.37 mm - Spring Steel Zinc Plated RP039-0111-Z (PK-500)
Roll Pins - 3.97x11.1x4.37 mm - Carbon Spring Steel Zinc Plated Pin

 $184.59 $221.51
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Roll Pins - 3.97x11.1x4.37 mm - Carbon Spring Steel Self Finish RP039-0111-C (PK-100)
Roll Pins - 3.97x11.1x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $21.41 $25.69
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Woodruff Keys - 3.97x22.23x9.3 mm - Carbon Steel C45 KW-040-094-217-CH (PK-13)
Woodruff Keys - 3.97x9.4x21.69 mm Plain - Carbon Steel C45 Hardened Key

 $18.41 $22.09
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Coiled Pins - 3.97x12.7 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-013-C (PK-50)
Coiled Pins - 3.97x12.7 - 3.97 - 4.06 - High Carbon Steel Pin

 $18.86 $22.64
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Roll Pins - 3.97x12.7x4.37 mm - Carbon Spring Steel Self Finish RP039-0127-C (PK-100)
Roll Pins - 3.97x12.7x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $21.68 $26.02
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Roll Pins - 3.97x12.7x4.37 mm - Spring Steel Zinc Plated RP039-0127-Z (PK-500)
Roll Pins - 3.97x12.7x4.37 mm - Carbon Spring Steel Zinc Plated Pin

 $185.41 $222.49
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel SC039W-010-R-SL-CZ (PK-100)
Round Head Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Screw

 $46.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Phillips SK039W-010-PH-CZ (PK-100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Phillips Screw

 $49.23
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Slotted SK039W-010-SL-CZ (PK-100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Slotted Screw

 $46.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.525 mm - Brass Slotted SK039W-010-SL-BR (PK-100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.525 mm - Brass Slotted Screw

 $30.05 $36.05
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Coiled Pins - 3.97x9.53 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-010-C (PK-25000)
Coiled Pins - 3.97x9.53 - 3.97 - 4.06 - High Carbon Steel Pin

 $7,777.59 $9,333.11
Temporarily Out Of Stock -> Backorder now for delivery around Oct 05, 2026
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Compression Springs - 3.97x11.1x0.71 mm - Spring Steel CS-0397-0111-07-M-C (Each)
Compression Springs - 3.97x11.1x0.71 mm Music Wire - Carbon Spring Steel

 $5.41 $6.49
Temporarily Out Of Stock -> Backorder now for delivery around Aug 04, 2026
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Roll Pins - 3.97x14.27x4.37 mm - Carbon Spring Steel Self Finish RP039-0143-C (PK-100)
Roll Pins - 3.97x14.27x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $22.05 $26.45
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Roll Pins - 3.97x14.3x4.37 mm - Spring Steel Zinc Plated RP039-0143-Z (PK-500)
Roll Pins - 3.97x14.3x4.37 mm - Carbon Spring Steel Zinc Plated Pin

 $197.32 $236.78
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Roll Pins - 3.97x14.3x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0143-420 (PK-1000)
Roll Pins - 3.97x14.3x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

 $166.68 $200.02
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Coiled Pins - 3.97x11.13 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-011-C (PK-50)
Coiled Pins - 3.97x11.13 - 3.97 - 4.06 - High Carbon Steel Pin

 $18.32 $21.98
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Compression Springs - 3.97x12.7x0.36 mm - Spring Steel CS-0397-0127-04-M-C (Each)
Compression Springs - 3.97x12.7x0.36 mm Music Wire - Carbon Spring Steel

 $4.32 $5.18
Temporarily Out Of Stock -> Backorder now for delivery around Aug 04, 2026
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Roll Pins - 3.97x15.88x4.37 mm - Carbon Spring Steel Self Finish RP039-0159-C (PK-100)
Roll Pins - 3.97x15.88x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $22.41 $26.89
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Taper Imperial Pins - 3.97x12.7x3.71 mm - Carbon Steel TP-039-0127-C (PK-100)
Taper Imperial Pins - 3.97x12.7x3.71 mm Standard - Carbon Steel Pin

 $108.95 $130.75
Temporarily Out Of Stock -> Backorder now for delivery around Sep 11, 2026
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Roll Pins - 3.97x15.9x4.37 mm - Spring Steel Zinc Plated RP039-0159-Z (PK-500)
Roll Pins - 3.97x15.9x4.37 mm - Carbon Spring Steel Zinc Plated Pin

 $198.14 $237.76
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Roll Pins - 3.97x15.9x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0159-420 (PK-100)
Roll Pins - 3.97x15.9x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

 $51.59
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted SC039W-013-R-SL-BR (PK-200)
Round Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted Screw

 $120.86 $145.04
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted SK039W-013-SL-BR (PK-200)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted Screw

 $120.86 $145.04
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Pan Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Phillips SC039W-013-P-PH-CZ (PK-100)
Pan Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Phillips Screw

 $47.41
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel SC039W-013-R-SL-CZ (PK-100)
Round Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Screw

 $47.41
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Roll Pins - 3.97x17.5x4.37 mm - Spring Steel Zinc Plated RP039-0175-Z (PK-500)
Roll Pins - 3.97x17.5x4.37 mm - Carbon Spring Steel Zinc Plated Pin

 $205.86 $247.04
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Slotted SK039W-013-SL-CZ (PK-100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Slotted Screw

 $47.41
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Roll Pins - 3.97x17.5x4.37 mm - Carbon Spring Steel Self Finish RP039-0175-C (PK-1000)
Roll Pins - 3.97x17.5x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $137.86 $165.44
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Coiled Pins - 3.97x19.05 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-019-C (PK-50)
Coiled Pins - 3.97x19.05 - 3.97 - 4.06 - High Carbon Steel Pin

 $21.77 $26.13
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Taper Imperial Pins - 3.97x15.88x3.64 mm - Carbon Steel TP-039-0159-C (PK-50)
Taper Imperial Pins - 3.97x15.88x3.64 mm Standard - Carbon Steel Pin

 $64.05 $76.85
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Coiled Pins - 3.97x15.88 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-016-C (PK-50)
Coiled Pins - 3.97x15.88 - 3.97 - 4.06 - High Carbon Steel Pin

 $19.23 $23.07
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Coiled Pins - 3.97x19.05 - 3.97 - 4.06 - Stainless Steel 304 Similar to A2, 18-8 HRB80 PSP-039-019-S2 (PK-50)
Coiled Pins - 3.97x19.05 - 3.97 - 4.06 - Stainless Steel 304 Similar to A2, 18-8 HRB80 Pin

 $21.41 $25.69
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Roll Pins - 3.97x19.05x4.37 mm - Carbon Spring Steel Self Finish RP039-0191-C (PK-100)
Roll Pins - 3.97x19.05x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

 $23.23 $27.87
Temporarily Out Of Stock -> Backorder now for delivery around Jul 05, 2026
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Roll Pins - 3.97x19.1x4.37 mm - Spring Steel Zinc Plated RP039-0191-Z (PK-500)
Roll Pins - 3.97x19.1x4.37 mm - Carbon Spring Steel Zinc Plated Pin

 $207.50 $249.00
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Roll Pins - 3.97x19.1x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0191-420 (PK-10)
Roll Pins - 3.97x19.1x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

 $6.50 $7.80
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 15.9 mm - Brass Slotted SC039W-016-R-SL-BR (PK-200)
Round Head Screws - 5/32-32 BSW - 3.969mm - 15.9 mm - Brass Slotted Screw

 $127.32 $152.78
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 15.9 mm - Zinc Plated Steel SC039W-016-R-SL-CZ (PK-100)
Round Head Screws - 5/32-32 BSW - 3.969mm - 15.9 mm - Zinc Plated Steel Screw

 $49.23
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 15.9 mm - Zinc Plated Steel Phillips SK039W-016-PH-CZ (PK-100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 15.9 mm - Zinc Plated Steel Phillips Screw

 $46.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 07, 2026
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