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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100 R155A-ZZS-MC3 (Pack of 20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing

$157.95 $187.95
Temporarily Out Of Stock -> Backorder now for delivery around Sep 07, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SFR155A-ZZS-MC3 (Each)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing

$4.68 $11.53
20 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SFR155A-ZZS-MC34-GR5-R-L23 (Pack of 20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing

$1,235.05
Temporarily Out Of Stock -> Backorder now for delivery around Sep 30, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SFR155A-ZZS-MC3-JP6 (Pack of 20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing

$191.59 $394.57
Temporarily Out Of Stock -> Backorder now for delivery around Sep 07, 2026
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Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C SFR155A-ZZS-MC34-GR7-R-L23 (Pack of 40)
Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing

$2,787.41
Temporarily Out Of Stock -> Backorder now for delivery around Sep 30, 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

$65.86
Temporarily Out Of Stock -> Backorder now for delivery around Sep 12, 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 (Pack of 50)
Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing

$1,730.50
Temporarily Out Of Stock -> Backorder now for delivery around Aug 27, 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 (Pack of 30)
Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm Flanged - Stainless Steel AISI 440C Bearing

$2,926.14
Temporarily Out Of Stock -> Backorder now for delivery around Sep 30, 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 (Pack of 20)
Single Row Ball Bearings - 3.969x7.938x3.175 mm / 3.969 mm Flanged - Stainless Steel AISI 440C Bearing

$1,505.59
Temporarily Out Of Stock -> Backorder now for delivery around Sep 30, 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

$40.95 $48.15
Temporarily Out Of Stock -> Backorder now for delivery around Nov 02, 2026
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Flat Washers - 3.97x9.53x0.79 mm - Fibre - Red W0040-F-010-008-FBR-R (Pack of 200)
Flat Washers - 3.97x9.53x0.79 mm Commercial - Fibre - Red Washer

$7.06 $18.02
4 (800 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Flat Washers - 3.97x9.53x1.59 mm - Fibre W0040-F-010-016-FBR-R (Pack of 1000)
Flat Washers - 3.97x9.53x1.59 mm Commercial - Fibre Washer

$169.59 $201.91
Temporarily Out Of Stock -> Backorder now for delivery around Oct 17, 2026
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Lock Washers - 3.969x9.7x0.6 mm W0040-LE-010-006-CZ (Pack of 100)
Lock Washers - 3.97x9.7x0.6 mm External Tooth Washer

$18.86
Temporarily Out Of Stock -> Backorder now for delivery around Oct 17, 2026
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Dowel Pins - 3.969x25.4 Standard - Stainless Steel AISI 416 Rc 36-42 Pin DP039-025-416-1 (Pack of 5)
Dowel Pins - 3.969x25.4 Standard - Stainless Steel AISI 416 Rc 36-42 Pin

$9.41
1 (5 pcs) Available Now -> Orders for more than 1 can be expected around Sep 01, 2026
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Drill Blanks Rod - 3.969x79.38 mm - High Speed Carbon Steel Drill Rod DB10RS (Each)
Drill Blanks Rod - 3.969x79.38 mm - High Speed Carbon Steel Drill Rod

$8.59 $9.91
4 Available Now -> Orders for more than 4 can be expected around Aug 27, 2026
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Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball BL-00397-S4-G100 (Pack of 500)
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball

$15.77
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball BL-00397-S6-G100 (Pack of 50)
Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball

$8.86
52 (2600 pcs) Available Now -> Orders for more than 52 can be expected around Sep 01, 2026
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Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball BL-00397-S440-G28 (Pack of 200)
Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball

$10.05
45 (9000 pcs) Available Now -> Orders for more than 45 can be expected around Sep 01, 2026
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External Retaining Rings - 3.97x0.3x3.71 mm Circlips - Beryllium Copper Circlip CCE-00397-B (Pack of 10)
External Retaining Rings - 3.97x0.3x3.71 mm Circlips - Beryllium Copper Circlip

$7.95
81 (810 pcs) Available Now -> Orders for more than 81 can be expected around Sep 01, 2026
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External Retaining Rings - 3.97x0.64 - - Circlips - Stainless Steel AISI 420C Circlip CNG-00397-4 (Pack of 250)
External Retaining Rings - 3.97x0.64 - - Circlips - Stainless Steel AISI 420C Circlip

$711.32 $1,662.00
Temporarily Out Of Stock -> Backorder now for delivery around Oct 23, 2026
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External Retaining Rings - 3.97x0.64 - - Circlips - Carbon Steel Circlip CNG-00397-06-C-2 (Pack of 100)
External Retaining Rings - 3.97x0.64 - - Circlips - Carbon Steel Circlip

$21.50 $46.20
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Threading Tools - 5/32-32 BSW -3.969mm- 0.794 mm / 32 TPI - Bottoming - Carbon Steel TPC-039W-P (Each)
Threading Tools - 5/32-32 BSW - 3.969mm - 0.794 mm / 32 TPI - Bottoming Hand Taps - Carbon Steel Tap

$7.00 $11.50
1 Available Now -> Only the available quantity may be ordered online. No backorders.
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Plastic Balls - 3.97 mm Acetal - Grade 1 Ball BL-00397-AC (Pack of 200)
Plastic Balls - 3.97 mm Acetal - Grade 1 Ball

$4.50
70 (14000 pcs) Available Now -> Orders for more than 70 can be expected around Sep 01, 2026
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Plastic Balls - 3.97 mm Acrylic - Grade 3 Ball BL-00397-ACR (Pack of 50)
Plastic Balls - 3.97 mm Acrylic - Grade 3 Ball

$2.31 $6.80
186 (9300 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Plastic Balls - 3.97 mm Nylon - Polyamide 6/6 - - Grade 2 Ball BL-00397-NY (Pack of 20)
Plastic Balls - 3.97 mm Nylon - Polyamide 6/6 - - Grade 2 Ball

$5.50
79 (1580 pcs) Available Now -> Orders for more than 79 can be expected around Oct 20, 2026
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Plastic Balls - 3.97 mm Polypropylene - Grade 2 Ball BL-00397-PP (Pack of 5)
Plastic Balls - 3.97 mm Polypropylene - Grade 2 Ball

$1.68
772 (3860 pcs) Available Now -> Orders for more than 772 can be expected around Oct 20, 2026
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Plastic Balls - 3.97 mm PTFE - Grade 1 Ball BL-00397-PTF (Pack of 5)
Plastic Balls - 3.97 mm PTFE - Grade 1 Ball

$5.59
43 (215 pcs) Available Now -> Orders for more than 43 can be expected around Oct 20, 2026
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Plastic Balls - 3.97 mm Torlon - Polyamide-imide - - Grade II Ball BL-00397-TO (Pack of 5)
Plastic Balls - 3.97 mm Torlon - Polyamide-imide - - Grade II Ball

$5.50
33 (165 pcs) Available Now -> Orders for more than 33 can be expected around Sep 24, 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

$154.86 $184.24
Temporarily Out Of Stock -> Backorder now for delivery around Oct 31, 2026
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Hitch External Pins - 3.97x1.2x0.8 mm - Spring Wire, Oil-Tempered HPE-040-08-012-C (Pack of 5)
Hitch External Pins - 3.97x1.2x0.8 mm - Spring Wire, Oil-Tempered Pin

$2.14
19 (95 pcs) Available Now -> Orders for more than 19 can be expected around Nov 02, 2026
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Wing Nuts - 5/32-32 BSW -3.969mm- -  - Brass NT039W-WG-BR (Pack of 200)
Wing Nuts - 5/32-32 BSW - 3.969mm - - - - - Brass Nut

$229.86 $274.24
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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E-Clips Retaining Rings - 3.97x2.95x0.38 mm - Carbon Steel ECB-0029-0039-C (Pack of 750)
E-Clips Retaining Rings - 3.97x2.95x0.38 mm Bowed - Carbon Steel E-Clip

$159.32
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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E-Clips Retaining Rings - 3.97x2.95x0.64 mm - Carbon Steel ECL-0029-0040A-C (Pack of 50)
E-Clips Retaining Rings - 3.97x2.95x0.64 mm Basic - Carbon Steel E-Clip

$10.23
17 (850 pcs) Available Now -> Orders for more than 17 can be expected around Sep 01, 2026
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E-Clips Retaining Rings - 3.97x2.95x0.64 mm - Carbon Steel Zinc Plated ECL-0029-0040A-CZ (Pack of 5)
E-Clips Retaining Rings - 3.97x2.95x0.64 mm Basic - Carbon Steel Zinc Plated E-Clip

$3.95
27 (135 pcs) Available Now -> Orders for more than 27 can be expected around Sep 12, 2026
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E-Clips Retaining Rings - 3.97x2.95x0.64 mm - Stainless Steel Grade PH15-7 Mo ECL-0029-0040A-S15 (Pack of 50)
E-Clips Retaining Rings - 3.97x2.95x0.64 mm Basic - Stainless Steel Grade PH15-7 Mo E-Clip

$30.86
2 (100 pcs) Available Now -> Orders for more than 2 can be expected around Sep 01, 2026
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E-Clips Retaining Rings - 3.97x2.95x0.64 mm - Carbon Steel ECL-0029-0039-C (Pack of 100)
E-Clips Retaining Rings - 3.97x2.95x0.64 mm Basic - Carbon Steel E-Clip

$21.05 $45.13
Temporarily Out Of Stock -> Backorder now for delivery around Sep 12, 2026
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E-Clips Retaining Rings - 3.97x3x1.06 mm - Carbon Steel ECL-0030-0039-C (Pack of 1250)
E-Clips Retaining Rings - 3.97x3x1.06 mm Basic - Carbon Steel E-Clip

$279.77
Temporarily Out Of Stock -> Backorder now for delivery around Oct 23, 2026
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E-Clips Retaining Rings - 3.97x3.01x0.89 mm - Carbon Steel ECL-0030-0039-C-KR (Pack of 50)
E-Clips Retaining Rings - 3.97x3.01x0.89 mm Klipring - Carbon Steel E-Clip

$27.86 $58.57
Temporarily Out Of Stock -> Backorder now for delivery around Sep 12, 2026
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Hexagonal Nuts - 5/32-32 BSW -3.969mm- 3.2x7 mm - Brass NT039W-HX-BR (Pack of 50)
Hexagonal Nuts - 5/32-32 BSW - 3.969mm - 3.2x7 mm Full - Brass Nut

$37.86
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 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 (Pack of 100)
Hexagonal Nuts - 5/32-32 BSW - 3.969mm - 3.2x7 mm Full - Stainless Steel 304 Similar to A2, 18-8 HRB80 Nut

$29.41
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Hexagonal Nuts - 5/32-32 BSW -3.969mm- 3.2x7 mm - Steel - Zinc Plated NT039W-HX-CZ (Pack of 10)
Hexagonal Nuts - 5/32-32 BSW - 3.969mm - 3.2x7 mm Full - Steel - Zinc Plated Nut

$2.95 $4.63
80 (800 pcs) Available Now -> Orders for more than 80 can be expected around Oct 04, 2026
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Square Tube - 3.97x3.26x300 mm - Aluminium 4T-0040-0300-ALH14 (Each)
Square Tube - 3.97x3.26x300 mm - Aluminium

$7.41
14 Available Now -> Orders for more than 14 can be expected around Nov 05, 2026
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Round Tube - 3.97x3.26x304.8 mm - Aluminium 6061-T6 0T-0039-0033-0300-ALT6 (Pack of 2)
Round Tube - 3.97x3.26x304.8 mm - Aluminium 6061-T6

$10.50
12 (24 pcs) Available Now -> Orders for more than 12 can be expected around Nov 05, 2026
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Round Tube - 3.97x3.26x304.8 mm - Copper 0T-0039-0033-0300-COP (Each)
Round Tube - 3.97x3.26x304.8 mm - Copper

$5.68 $9.32
25 Available Now -> Orders for more than 25 can be expected around Nov 05, 2026
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Round Tube - 3.97x3.26x304.8 mm - Brass 0T-0039-0033-0300-BR (Each)
Round Tube - 3.97x3.26x304.8 mm - Brass

$7.32
35 Available Now -> Orders for more than 35 can be expected around Nov 05, 2026
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Round Tube - 3.97x3.26x914.4 mm - Aluminium 6061-T6 0T-0039-0033-0914-ALT6 (Each)
Round Tube - 3.97x3.26x914.4 mm - Aluminium 6061-T6

$7.77
23 Available Now -> Orders for more than 23 can be expected around Nov 05, 2026
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Round Tube - 3.97x3.26x914.4 mm - Copper 0T-0039-0033-0914-COP (Each)
Round Tube - 3.97x3.26x914.4 mm - Copper

$10.05
44 Available Now -> Orders for more than 44 can be expected around Nov 05, 2026
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Round Tube - 3.97x3.26x914.4 mm - Brass 0T-0039-0033-0914-BR (Each)
Round Tube - 3.97x3.26x914.4 mm - Brass

$10.41
50 Available Now -> Orders for more than 50 can be expected around Nov 05, 2026
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Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 K-0397-0397-2540B-C (Pack of 100)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Key

$38.41 $45.09
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated K-0397-0397-2540BO-Z (Pack of 50)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated Key

$30.14 $35.16
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated K-0397-0397-3810BO-Z (Pack of 950)
Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated Key

$938.77
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Woodruff Keys - 3.97x15.88x6.4 mm - Carbon Steel C45 KW-040-062-153-CH (Pack of 2)
Woodruff Keys - 3.97x6.2x15.29 mm Plain - Carbon Steel C45 Hardened Key

$2.32 $3.24
75 (150 pcs) Available Now -> Orders for more than 75 can be expected around Sep 01, 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

$7.68 $8.82
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Woodruff Keys - 3.97x15.88x6.4 mm - Carbon Steel C45 KW-040-062-153-C (Pack of 10)
Woodruff Keys - 3.97x6.2x15.29 mm Plain - Carbon Steel C45 Key

$7.50
4 (40 pcs) Available Now -> Orders for more than 4 can be expected around Sep 01, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Brass Slotted SC039W-006-R-SL-BR (Pack of 20)
Round Head Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Brass Slotted Screw

$5.61 $15.52
4 (80 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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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 (Pack of 100)
Pan Head Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Phillips Screw

$52.41
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel SC039W-006-R-SL-CZ (Pack of 10)
Round Head Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Screw

$3.14 $5.00
6 (60 pcs) Available Now -> Orders for more than 6 can be expected around Oct 04, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Slotted SK039W-006-SL-CZ (Pack of 100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 6.4 mm - Zinc Plated Steel Slotted Screw

$52.41
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Needle Roller without Inner Ring Bearings - 3.97x7.14x6.35 mm / 199 mm - Chrome Steel Shell NSO-0040-0071-0064-FC (Each)
Needle Roller without Inner Ring Bearings - 3.97x7.14x6.35 mm / 199 Kgf Shell Type - Chrome Steel Bearing

$9.77 $15.96
5 Available Now -> Orders for more than 5 can be expected around Aug 15, 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

$13.14 $15.16
Temporarily Out Of Stock -> Backorder now for delivery around Aug 15, 2026
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Woodruff Keys - 3.97x19.05x8 mm - Carbon Steel C45 KW-040-078-185-C (Each)
Woodruff Keys - 3.97x7.8x18.54 mm Plain - Carbon Steel C45 Key

$2.32
481 Available Now -> Orders for more than 481 can be expected around Sep 25, 2026
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Woodruff Keys - 3.97x19.05x8 mm - Carbon Steel C45 KW-040-078-185-CH (Pack of 13)
Woodruff Keys - 3.97x7.8x18.54 mm Plain - Carbon Steel C45 Hardened Key

$15.50 $18.00
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Woodruff Keys - 3.97x19.05x8 mm - Stainless Steel 303 Similar to A2, 304, 18-8 KW-040-078-185-S3 (Each)
Woodruff Keys - 3.97x7.8x18.54 mm 303 Stainless Steel - Stainless Steel 303 Similar to A2, 304, 18-8 Key

$7.14 $11.08
10 Available Now -> Orders for more than 10 can be expected around Sep 01, 2026
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Roll Pins - 3.97x7.92x4.37 mm - Carbon Spring Steel Self Finish RP039-0079-C (Pack of 1000)
Roll Pins - 3.97x7.92x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

$307.32 $367.18
Temporarily Out Of Stock -> Backorder now for delivery around Nov 29, 2026
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Rectangular Tube - 3.97x7.94x304.8 mm - Brass 2T-0079-0040-0300-BR (Each)
Rectangular Tube - 3.97x7.94x304.8 mm - Brass

$11.86
10 Available Now -> Orders for more than 10 can be expected around Nov 05, 2026
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Woodruff Keys - 3.97x22.23x9.3 mm - Carbon Steel C45 KW-040-094-217-C (Pack of 500)
Woodruff Keys - 3.97x9.4x21.69 mm Plain - Carbon Steel C45 Key

$989.14
Temporarily Out Of Stock -> Backorder now for delivery around Sep 25, 2026
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Woodruff Keys - 3.97x22.23x9.3 mm - Carbon Steel C45 KW-040-094-217-CH (Pack of 13)
Woodruff Keys - 3.97x9.4x21.69 mm Plain - Carbon Steel C45 Hardened Key

$21.41 $25.09
Temporarily Out Of Stock -> Backorder now for delivery around Nov 08, 2026
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Roll Pins - 3.97x9.5x4.37 mm - Spring Steel Zinc Plated RP039-0095-Z (Pack of 500)
Roll Pins - 3.97x9.5x4.37 mm - Carbon Spring Steel Zinc Plated Pin

$285.23 $340.67
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Brass Slotted SC039W-010-R-SL-BR (Pack of 20)
Round Head Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Brass Slotted Screw

$5.84 $16.38
23 (460 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Pan Head Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Phillips SC039W-010-P-PH-CZ (Pack of 10)
Pan Head Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Phillips Screw

$3.14 $4.95
19 (190 pcs) Available Now -> Orders for more than 19 can be expected around Oct 04, 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 (Pack of 100)
Round Head Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Screw

$51.77
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Phillips SK039W-010-PH-CZ (Pack of 100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Phillips Screw

$54.23
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Slotted SK039W-010-SL-CZ (Pack of 100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.5 mm - Zinc Plated Steel Slotted Screw

$51.77
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.525 mm - Brass Slotted SK039W-010-SL-BR (Pack of 100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 9.525 mm - Brass Slotted Screw

$35.05 $41.05
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Coiled Pins - 3.97x9.53 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-010-C (Pack of 25000)
Coiled Pins - 3.97x9.53 - 3.97 - 4.06 - High Carbon Steel Pin

$7,785.59 $9,341.11
Temporarily Out Of Stock -> Backorder now for delivery around Dec 02, 2026
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Roll Pins - 3.97x9.53x4.37 mm - Carbon Spring Steel Self Finish RP039-0095-C (Pack of 100)
Roll Pins - 3.97x9.53x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

$26.23 $30.47
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 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

$7.41 $8.49
Temporarily Out Of Stock -> Backorder now for delivery around Oct 01, 2026
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Roll Pins - 3.97x11.1x4.37 mm - Spring Steel Zinc Plated RP039-0111-Z (Pack of 500)
Roll Pins - 3.97x11.1x4.37 mm - Carbon Spring Steel Zinc Plated Pin

$192.59 $229.51
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Roll Pins - 3.97x11.1x4.37 mm - Carbon Spring Steel Self Finish RP039-0111-C (Pack of 100)
Roll Pins - 3.97x11.1x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

$26.41 $30.69
Temporarily Out Of Stock -> Backorder now for delivery around Sep 28, 2026
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Roll Pins - 3.97x11.1x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0111-420 (Pack of 1000)
Roll Pins - 3.97x11.1x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

$181.50 $216.20
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 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

$5.32 $6.18
Temporarily Out Of Stock -> Backorder now for delivery around Oct 01, 2026
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Coiled Pins - 3.97x11.13 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-011-C (Pack of 50)
Coiled Pins - 3.97x11.13 - 3.97 - 4.06 - High Carbon Steel Pin

$22.14 $25.96
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Taper Imperial Pins - 3.97x12.7x3.71 mm - Carbon Steel TP-039-0127-C (Pack of 100)
Taper Imperial Pins - 3.97x12.7x3.71 mm Standard - Carbon Steel Pin

$116.95 $138.75
Temporarily Out Of Stock -> Backorder now for delivery around Nov 08, 2026
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Coiled Pins - 3.97x12.7 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-013-C (Pack of 50)
Coiled Pins - 3.97x12.7 - 3.97 - 4.06 - High Carbon Steel Pin

$21.86 $25.64
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Roll Pins - 3.97x12.7x4.37 mm - Spring Steel Zinc Plated RP039-0127-Z (Pack of 500)
Roll Pins - 3.97x12.7x4.37 mm - Carbon Spring Steel Zinc Plated Pin

$193.41 $230.49
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Roll Pins - 3.97x12.7x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0127-420 (Pack of 10)
Roll Pins - 3.97x12.7x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

$10.32
8 (80 pcs) Available Now -> Orders for more than 8 can be expected around Oct 13, 2026
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Roll Pins - 3.97x12.7x4.37 mm - Carbon Spring Steel Self Finish RP039-0127-C (Pack of 100)
Roll Pins - 3.97x12.7x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

$26.68 $31.02
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Round Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted SC039W-013-R-SL-BR (Pack of 200)
Round Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted Screw

$128.86 $153.04
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted SK039W-013-SL-BR (Pack of 200)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Brass Slotted Screw

$128.86 $153.04
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 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 (Pack of 100)
Pan Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Phillips Screw

$52.41
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 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 (Pack of 100)
Round Head Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Screw

$52.41
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Phillips SK039W-013-PH-CZ (Pack of 10)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Phillips Screw

$3.14 $5.00
25 (250 pcs) Available Now -> Orders for more than 25 can be expected around Oct 04, 2026
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Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Slotted SK039W-013-SL-CZ (Pack of 100)
Countersunk Screws - 5/32-32 BSW - 3.969mm - 12.7 mm - Zinc Plated Steel Slotted Screw

$52.41
Temporarily Out Of Stock -> Backorder now for delivery around Oct 04, 2026
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Roll Pins - 3.97x14.27x4.37 mm - Carbon Spring Steel Self Finish RP039-0143-C (Pack of 100)
Roll Pins - 3.97x14.27x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

$27.05 $31.45
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Roll Pins - 3.97x14.3x4.37 mm - Spring Steel Zinc Plated RP039-0143-Z (Pack of 500)
Roll Pins - 3.97x14.3x4.37 mm - Carbon Spring Steel Zinc Plated Pin

$205.32 $244.78
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Roll Pins - 3.97x14.3x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0143-420 (Pack of 1000)
Roll Pins - 3.97x14.3x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

$174.68 $208.02
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Taper Imperial Pins - 3.97x15.88x3.64 mm - Carbon Steel TP-039-0159-C (Pack of 50)
Taper Imperial Pins - 3.97x15.88x3.64 mm Standard - Carbon Steel Pin

$72.05 $84.85
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Coiled Pins - 3.97x15.88 - 3.97 - 4.06 - Carbon Steel - High Carbon PSP-039-016-C (Pack of 50)
Coiled Pins - 3.97x15.88 - 3.97 - 4.06 - High Carbon Steel Pin

$22.23 $26.07
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Roll Pins - 3.97x15.88x4.37 mm - Carbon Spring Steel Self Finish RP039-0159-C (Pack of 100)
Roll Pins - 3.97x15.88x4.37 mm Carbon Steel - Carbon Spring Steel Self Finish Pin

$27.41 $31.89
Temporarily Out Of Stock -> Backorder now for delivery around Sep 01, 2026
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Roll Pins - 3.97x15.9x4.37 mm - Stainless Steel AISI 420C Rc 46-52 RP039-0159-420 (Pack of 100)
Roll Pins - 3.97x15.9x4.37 mm - Stainless Steel AISI 420C Rc 46-52 Pin

$62.23
Temporarily Out Of Stock -> Backorder now for delivery around Sep 12, 2026
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