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Shoulder Screws - 4x4 mm - M3x0.5 Slotted - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 SHLD040-004-SL-S3 (PK-50)
Shoulder Screws - 4x4 mm - M3x0.5 Slotted - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw

$288.23
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Thumb Nuts - M4 -4x0.7mm- 4x4 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 NT040M-TH04-S3 (Each)
Thumb Nuts - M4 - 4x0.7mm - 4x4 mm Basic - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Nut

$5.41 $6.49
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Hexagonal Nuts - M4 -4x0.7mm- 3.2x7 mm - Steel Alloy NT040M-HX-CS (PK-50)
Hexagonal Nuts - M4 - 4x0.7mm - 3.2x7 mm Full - Steel Alloy Nut

$8.00 $15.20
3 (150 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Hexagonal Nuts - M4 -4x0.7mm- 3.2x7 mm - Steel - Zinc Plated NT040M-HX-CZ (PK-20)
Hexagonal Nuts - M4 - 4x0.7mm - 3.2x7 mm Full - Steel - Zinc Plated Nut

$4.32
24 (480 pcs) Available Now -> Orders for more than 24 can be expected around Aug 09, 2026
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Hexagonal Nuts - M4 -4x0.7mm- 3.2x7 mm - Nylon Polyamide 6/6 NT040M-HX-NY-PK100 (Per Bag)
Hexagonal Nuts - M4 - 4x0.7mm - 3.2x7 mm Full - Nylon Polyamide 6/6 Nut

$12.00 $22.80
1 Available Now -> Only the available quantity may be ordered online. No backorders.
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Hexagonal Nuts - M4 -4x0.7mm- 3.2x7 mm - Nylon Polyamide 6/6 NT040M-HX-NY-PK25 (Per Bag)
Hexagonal Nuts - M4 - 4x0.7mm - 3.2x7 mm Full - Nylon Polyamide 6/6 Nut

$8.00 $15.20
2 Available Now -> Only the available quantity may be ordered online. No backorders.
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Machine Keys - 4x4x8 mm - Carbon Steel K-0400-0400-0800A-C (PK-10)
Machine Keys - 4x4x8 mm - Carbon Steel Key

$5.68
18 (180 pcs) Available Now -> Orders for more than 18 can be expected around Jul 07, 2026
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Shoulder Screws - 4x4 mm - M3x0.5 Slotted Shallow Head - Carbon Steel SHLD040-004-SLL-C (PK-5)
Shoulder Screws - 4x4 mm - M3x0.5 Slotted Shallow Head - Carbon Steel Screw

$3.86 $7.23
10 (50 pcs) Available Now -> Orders for more than 10 can be expected around Aug 18, 2026
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Machine Keys - 4x4x10 mm - Carbon Steel C45 K-0400-0400-1000B-C (PK-50)
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key

$49.23 $59.07
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x10 mm - Stainless Steel 316 Similar to A4, 18-10 K-0400-0400-1000A-6 (Each)
Machine Keys - 4x4x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key

$27.14 $32.56
Temporarily Out Of Stock -> Backorder now for delivery around Jul 18, 2026
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Machine Keys - 4x4x10 mm - Carbon Steel K-0400-0400-1000A-C (PK-10)
Machine Keys - 4x4x10 mm - Carbon Steel Key

$5.14
14 (140 pcs) Available Now -> Orders for more than 14 can be expected around Jul 07, 2026
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Machine Keys - 4x4x8 mm - Carbon Steel C45 K-0400-0400-0800B-C (PK-50)
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key

$49.05 $58.85
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 K-0400-0400-1000A-3 (PK-50)
Machine Keys - 4x4x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

$127.50 $153.00
2 (100 pcs) Available Now -> Orders for more than 2 can be expected around Jul 07, 2026
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Machine Keys - 4x4x12 mm - Carbon Steel C45 K-0400-0400-1200B-C (PK-5)
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key

$10.50 $12.60
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Machine Keys - 4x4x12 mm - Carbon Steel K-0400-0400-1200A-C (PK-50)
Machine Keys - 4x4x12 mm - Carbon Steel Key

$19.32 $23.18
Temporarily Out Of Stock -> Backorder now for delivery around Aug 01, 2026
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Machine Keys - 4x4x14 mm - Carbon Steel K-0400-0400-1400A-C (PK-5)
Machine Keys - 4x4x14 mm - Carbon Steel Key

$3.23
35 (175 pcs) Available Now -> Orders for more than 35 can be expected around Jul 07, 2026
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Machine Keys - 4x4x15 mm - Stainless Steel 303 Similar to A2, 304, 18-8 K-0400-0400-1500A-3 (Each)
Machine Keys - 4x4x15 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

$5.68
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x14 mm - Carbon Steel C45 K-0400-0400-1400B-C (PK-600)
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key

$135.77 $162.93
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x16 mm - Carbon Steel C45 K-0400-0400-1600B-C (PK-100)
Machine Keys - 4x4x16 mm - Carbon Steel C45 Key

$24.95 $29.95
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x15 mm - Carbon Steel K-0400-0400-1500A-C (PK-375)
Machine Keys - 4x4x15 mm - Carbon Steel Key

$388.77
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x16 mm - Carbon Steel K-0400-0400-1600A-C (PK-10)
Machine Keys - 4x4x16 mm - Carbon Steel Key

$5.77
46 (460 pcs) Available Now -> Orders for more than 46 can be expected around Jul 07, 2026
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Machine Keys - 4x4x16 mm - Carbon Steel K-0400-0400-1600AB-C (Each)
Machine Keys - 4x4x16 mm - Carbon Steel Key

$1.32 $1.58
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Machine Keys - 4x4x18 mm - Carbon Steel K-0400-0400-1800A-C (PK-50)
Machine Keys - 4x4x18 mm - Carbon Steel Key

$29.77 $35.73
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10 K-0400-0400-1800A-6 (Each)
Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10 Key

$2.00 $3.80
1 Available Now -> Only the available quantity may be ordered online. No backorders.
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Machine Keys - 4x4x20 mm - Stainless Steel 303 Similar to A2, 304, 18-8 K-0400-0400-2000A-3 (Each)
Machine Keys - 4x4x20 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

$4.41
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x20 mm - Stainless Steel 316 Similar to A4, 18-10 K-0400-0400-2000A-6 (Each)
Machine Keys - 4x4x20 mm - Stainless Steel 316 Similar to A4, 18-10 Key

$25.77 $30.93
Temporarily Out Of Stock -> Backorder now for delivery around Jul 18, 2026
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Machine Keys - 4x4x20 mm - Carbon Steel K-0400-0400-2000AB-C (Each)
Machine Keys - 4x4x20 mm - Carbon Steel Key

$1.41 $1.69
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Machine Keys - 4x4x20 mm - Carbon Steel K-0400-0400-2000A-C (PK-5)
Machine Keys - 4x4x20 mm - Carbon Steel Key

$3.77
82 (410 pcs) Available Now -> Orders for more than 82 can be expected around Jul 07, 2026
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Machine Keys - 4x4x20 mm - Carbon Steel C45 K-0400-0400-2000B-C (PK-100)
Machine Keys - 4x4x20 mm - Carbon Steel C45 Key

$33.59 $40.31
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x25 mm - Carbon Steel C45 K-0400-0400-2500B-C (PK-50)
Machine Keys - 4x4x25 mm - Carbon Steel C45 Key

$11.95 $14.35
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x25 mm - Stainless Steel 303 Similar to A2, 304, 18-8 K-0400-0400-2500B-3 (PK-50)
Machine Keys - 4x4x25 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

$59.50 $71.40
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x25 mm - Carbon Steel K-0400-0400-2500A-C (PK-5)
Machine Keys - 4x4x25 mm - Carbon Steel Key

$1.77 $3.19
37 (185 pcs) Available Now -> Orders for more than 37 can be expected around Jul 25, 2026
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Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 Zinc Plated 4R-0040-0300-KZO (Each)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 Zinc Plated

$4.23
44 Available Now -> Orders for more than 44 can be expected around Jul 07, 2026
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Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 Zinc Plated 4R-0040-0300-KZU (PK-4)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 Zinc Plated

$13.23 $15.87
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10 4R-0040-0300-KS6U (Each)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10

$5.05 $6.05
20 Available Now -> Orders for more than 20 can be expected around Jul 07, 2026
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Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8 4R-0040-0300-KS3U (Each)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8

$7.59 $9.11
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8 4R-0040-0300-KS3O (Each)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8

$4.32 $5.18
10 Available Now -> Orders for more than 10 can be expected around Jul 07, 2026
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Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 4R-0040-0300-KPO (Each)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045

$4.59
24 Available Now -> Orders for more than 24 can be expected around Jul 07, 2026
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Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045 4R-0040-0300-KPU (PK-5)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045

$8.32 $9.98
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045 Zinc Plated 4R-0040-1000-KZO (Each)
Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045 Zinc Plated

$12.86 $15.44
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045 4R-0040-1000-KPO (PK-2)
Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045

$15.32 $18.38
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x40 mm - Carbon Steel C45K Zinc Plated K-0400-0400-4000A-Z (PK-5)
Machine Keys - 4x4x40 mm - Carbon Steel C45K Zinc Plated Key

$22.14
Temporarily Out Of Stock -> Backorder now for delivery around Aug 28, 2026
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Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045 4R-0040-1000-KPU (PK-2)
Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045

$13.68 $16.42
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Machine Keys - 4x4x40 mm - Carbon Steel K-0400-0400-4000A-C (PK-5000)
Machine Keys - 4x4x40 mm - Carbon Steel Key

$1,708.59 $2,050.31
Temporarily Out Of Stock -> Backorder now for delivery around Sep 11, 2026
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Square Keysteel Lengths - 4x4x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8 4R-0040-1000-KS3U (Each)
Square Keysteel Lengths - 4x4x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8

$29.14 $34.96
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Socket Cap Screws - M4 - 4x0.7mm - 4 mm - 304 Stainless SC040M-004-C-SK-4 (Each)
Socket Cap Screws - M4 - 4x0.7mm - 4 mm - 304 Stainless Screw

$1.14 $1.36
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Pan Head Screws - M4 - 4x0.7mm - 4 mm - 304 Stainless Phillips SC040M-004-PJ-PH-S4 (Each)
Pan Head Screws - M4 - 4x0.7mm - 4 mm - 304 Stainless Phillips Screw

$3.86 $4.64
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Machine Keys - 4x4x85.73 mm - Carbon Steel C45 K-0400-0400-8573BO-C (PK-50)
Machine Keys - 4x4x85.73 mm - Carbon Steel C45 Key

$47.59 $57.11
Temporarily Out Of Stock -> Backorder now for delivery around Jul 07, 2026
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Button Screws - M4 - 4x0.7mm - 4 mm - 304 Stainless Socket SC040M-004-B-SK-S4 (PK-10)
Button Screws - M4 - 4x0.7mm - 4 mm - 304 Stainless Socket Screw

$2.05 $3.76
7 (70 pcs) Available Now -> Orders for more than 7 can be expected around Jun 23, 2026
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Socket Cap Screws - M4 - 4x0.7mm - 4 mm - 316L Stainless SC040M-004-C-SK-S6L (Each)
Socket Cap Screws - M4 - 4x0.7mm - 4 mm - 316L Stainless Screw

$1.23 $1.47
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Socket Cap Screws - M4 - 4x0.7mm - 4 mm - Black Oxide Carbon Steel 12.9 Alloy Steel SC040M-004-C-SK-BO (Each)
Socket Cap Screws - M4 - 4x0.7mm - 4 mm - Black Oxide Carbon Steel 12.9 Alloy Steel Screw

$0.95 $1.15
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Brass Tipped Socket Set Screws - M4 - 4x0.7mm - 4 mm  Alloy Steel - Carbon Steel SS040M-0040-AS-BT (Each)
Brass Tipped Socket Set Screws - M4 - 4x0.7mm - 4 mm Alloy Steel - Carbon Steel Screw

$7.59 $9.11
Temporarily Out Of Stock -> Backorder now for delivery around Jul 18, 2026
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Cone Point Socket Set Screws - M4 - 4x0.7mm - 4 mm   - Carbon Steel SS040M-0040-AS-CP (PK-100)
Cone Point Socket Set Screws - M4 - 4x0.7mm - 4 mm - Carbon Steel Screw

$60.95
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Nylon Tipped Socket Set Screws - M4 - 4x0.7mm - 4 mm  304 Stainless Steel - Stainless Steel 18-8 Similar to A2, 303, 304 SS040M-0040-S3-NT (Each)
Nylon Tipped Socket Set Screws - M4 - 4x0.7mm - 4 mm 304 Stainless Steel - Stainless Steel 18-8 Similar to A2, 303, 304 Screw

$9.59 $17.28
5 Available Now -> Orders for more than 5 can be expected around Jul 18, 2026
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Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm  304 Stainless Steel DIN916 - Stainless Steel 304 Similar to A2, 18-8 HRB80 SS040M-0040-S4 (PK-100)
Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm 304 Stainless Steel DIN916 - Stainless Steel 304 Similar to A2, 18-8 HRB80 Screw

$22.59
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045 Zinc Plated 4R-0040-1000-KZU (PK-370)
Square Keysteel Lengths - 4x4x1000 mm - Carbon Steel 1045 Zinc Plated

$1,930.41 $2,316.49
Temporarily Out Of Stock -> Backorder now for delivery around Aug 15, 2026
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Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm  316 Stainless Steel DIN916 - Stainless Steel 316 Similar to A4, 18-10 SS040M-0040-S6 (PK-20)
Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm 316 Stainless Steel DIN916 - Stainless Steel 316 Similar to A4, 18-10 Screw

$4.50
14 (280 pcs) Available Now -> Orders for more than 14 can be expected around Jun 23, 2026
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Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm  Zinc Plated DIN916 - Carbon Steel - Hardened SS040M-0040-CZ (PK-100)
Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm Zinc Plated DIN916 - Carbon Steel Screw

$29.32 $35.18
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Button Screws - M4 - 4x0.7mm - 4 mm - Alloy Steel Socket SC040M-004-B-SK-C (PK-100)
Button Screws - M4 - 4x0.7mm - 4 mm - Alloy Steel Socket Screw

$23.59
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Shoulder Screws - 4x4.8 mm - M3x0.5 Slotted Shallow Head - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 SHLD040-005-SLL-S3 (PK-50)
Shoulder Screws - 4x4.8 mm - M3x0.5 Slotted Shallow Head - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw

$442.05
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Socket Cap Screws - M4 - 4x0.7mm - 4 mm - High Tensile Steel / Black Oxide Alloy Steel SC040M-004-C-SK-C (PK-10)
Socket Cap Screws - M4 - 4x0.7mm - 4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw

$2.14 $3.90
19 (190 pcs) Available Now -> Orders for more than 19 can be expected around Jun 23, 2026
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Flat Washers - 4x5x0.01 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 W0040-FP-005-0001-S4 (PK-30)
Flat Washers - 4x5x0.01 mm Precision Shim - Stainless Steel 304 Similar to A2, 18-8 HRB80 Washer

$92.95 $111.55
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Flat Washers - 4x5x0.05 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 W0040-FP-005-0005-S4 (PK-30)
Flat Washers - 4x5x0.05 mm Precision Shim - Stainless Steel 304 Similar to A2, 18-8 HRB80 Washer

$92.95 $111.55
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Flat Washers - 4x5x0.1 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 W0040-FP-005-0010-S4 (PK-30)
Flat Washers - 4x5x0.1 mm Precision Shim - Stainless Steel 304 Similar to A2, 18-8 HRB80 Washer

$102.23 $122.67
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Compression Springs - 4x5x0.18 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 CS-0400-0050-018-S4-C (PK-5)
Compression Springs - 4x5x0.18 mm Stainless Steel - SUSS304-WPB / JIS Standard Spring

$7.14 $8.56
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Compression Springs - 4x5x0.2 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 CS-0400-050-02-S4-C (PK-5)
Compression Springs - 4x5x0.2 mm Stainless Steel - SUSS304-WPB / JIS Standard Spring

$6.77 $8.13
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm  Alloy Steel DIN916 - Carbon Steel - Hardened GD14.9 SS040M-0040-AS (PK-100)
Standard Cup Point Socket Set Screws - M4 - 4x0.7mm - 4 mm Alloy Steel DIN916 - Carbon Steel - Hardened GD14.9 Screw

$8.14
6 (600 pcs) Available Now -> Orders for more than 6 can be expected around Jun 23, 2026
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Flat Tip DIN913 Socket Set Screws - M4 - 4x0.7mm - 4 mm - Standard Cup Point Alloy Steel - Carbon Steel - Hardened SS040M-0040-AS-FT (PK-5)
Flat Tip DIN913 Socket Set Screws - M4 - 4x0.7mm - 4 mm - Standard Cup Point Alloy Steel - Carbon Steel - Hardened Screw

$2.14
99 (495 pcs) Available Now -> Orders for more than 99 can be expected around Jun 23, 2026
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Flat Washers - 4x5x0.2 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 W0040-FP-005-0020-S4 (PK-5)
Flat Washers - 4x5x0.2 mm Precision Shim - Stainless Steel 304 Similar to A2, 18-8 HRB80 Washer

$24.95
6 (30 pcs) Available Now -> Orders for more than 6 can be expected around Jul 16, 2026
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Compression Springs - 4x5x0.26 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 CS-0400-0050-026-S4-C (PK-5)
Compression Springs - 4x5x0.26 mm Stainless Steel - SUSS304-WPB / JIS Standard Spring

$6.77 $8.13
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Flat Washers - 4x5x0.3 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 W0040-FP-005-0030-S4 (PK-30)
Flat Washers - 4x5x0.3 mm Precision Shim - Stainless Steel 304 Similar to A2, 18-8 HRB80 Washer

$102.23 $122.67
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Compression Springs - 4x5x0.32 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 CS-0400-0050-032-S4-C (PK-5)
Compression Springs - 4x5x0.32 mm Stainless Steel - SUSS304-WPB / JIS Standard Spring

$7.14 $8.56
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Compression Springs - 4x5x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 CS-0400-0050-035-S4-C (PK-5)
Compression Springs - 4x5x0.35 mm Stainless Steel - SUSS304-WPB / JIS Standard Spring

$6.50 $7.80
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Compression Springs - 4x5x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 CS-0400-0050-04-S4-C (PK-5)
Compression Springs - 4x5x0.4 mm Stainless Steel - SUSS304-WPB / JIS Standard Spring

$7.14 $8.56
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Compression Springs - 4x5x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 CS-0400-0050-045-S4-C (PK-5)
Compression Springs - 4x5x0.45 mm Stainless Steel - SUSS304-WPB / JIS Standard Spring

$7.14 $8.56
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Crescent Retaining Rings - 4x5x0.6 mm - Carbon Spring Steel Self Finish CC-040-050-C (PK-10)
Crescent Retaining Rings - 4x5x0.6 mm - Carbon Spring Steel Self Finish

$1.50 $2.72
56 (560 pcs) Available Now -> Orders for more than 56 can be expected around Jul 07, 2026
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Ball Push Fit Plungers - 4x5 mm - 3 N Stainless Body - Stainless Steel 400 Series Hardened PLBP-040-050-S3-010 (PK-20)
Ball Push Fit Plungers - 4x5 mm - 3 N Stainless Body - Stainless Steel 400 Series Hardened Plunger

$29.14 $34.96
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Ball Push Fit Plungers - 4x5 mm - 3 N Stainless Body - Stainless Steel 400 Series Hardened PLBP-040-050-S3-005 (PK-20)
Ball Push Fit Plungers - 4x5 mm - 3 N Stainless Body - Stainless Steel 400 Series Hardened Plunger

$29.14 $34.96
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Plastic PLBP-040-050-PP-005 (PK-20)
Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Plastic Plunger

$29.14 $34.96
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Stainless Steel PLBP-040-050-PS-005 (PK-20)
Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Stainless Steel Plunger

$29.14 $34.96
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Shoulder Screws - 4x5 mm - M3x0.5 Slotted - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 SHLD040-005-SL-S3 (PK-50)
Shoulder Screws - 4x5 mm - M3x0.5 Slotted - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw

$288.23
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Shoulder Screws - 4x5 mm - M3x0.5 Socket Head - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 SHLD040-005-SKT-S3 (PK-50)
Shoulder Screws - 4x5 mm - M3x0.5 Socket Head - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw

$299.59
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Dowel Pins - 4x5x5 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 DP040-005-303-2 (PK-50)
Dowel Pins - 4x5 Standard - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Pin

$5.00 $9.50
90 (4500 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Threaded Spacers - M4 - 4x0.7mm - 5x7 mm Hex - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Spacer SHX-T-040M-005-007-S3 (PK-5)
Threaded Spacers - M4 - 4x0.7mm - 5x7 mm Hex - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Spacer

$7.32
Temporarily Out Of Stock -> Backorder now for delivery around Aug 21, 2026
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Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Plastic PLBP-040-050-PP-007 (PK-5)
Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Plastic Plunger

$18.14 $21.76
Temporarily Out Of Stock -> Backorder now for delivery around Jul 02, 2026
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Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Stainless Steel PLBP-040-050-PS-007 (Each)
Ball Push Fit Plungers - 4x5 mm - 3 N Plastic Body - Stainless Steel Plunger

$4.05
14 Available Now -> Orders for more than 14 can be expected around Jul 02, 2026
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Ball Push Fit Plungers - 4.00 - Machined - 5 mm - 3 N Stainless Body - Stainless Steel 400 Series Hardened PLBP-040-050-S3-007 (Each)
Ball Push Fit Plungers - 4x5 mm - 3 N Stainless Body - Stainless Steel 400 Series Hardened Plunger

$4.50
5 Available Now -> Orders for more than 5 can be expected around Jul 02, 2026
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Ball Push Fit Plungers - 4x5 mm - 3 N Stainless Body - Plastic PLBP-040-050-SP-007 (PK-50)
Ball Push Fit Plungers - 4x5 mm - 3 N Stainless Body - Plastic Plunger

$216.23 $259.47
Temporarily Out Of Stock -> Backorder now for delivery around Jul 02, 2026
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Shoulder Screws - 4x5 mm - M3x0.5 Slotted Shallow Head - Carbon Steel SHLD040-005-SLL-C (PK-100)
Shoulder Screws - 4x5 mm - M3x0.5 Slotted Shallow Head - Carbon Steel Screw

$92.50 $111.00
Temporarily Out Of Stock -> Backorder now for delivery around Aug 18, 2026
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Threaded Spacers - M4 - 4x0.7mm - 5x7 mm Hex - Steel - Mild S300 Pb Zinc Plated Spacer SHX-T-040M-005-007-MZ (PK-5)
Threaded Spacers - M4 - 4x0.7mm - 5x7 mm Hex - Steel - Mild S300 Pb Zinc Plated Spacer

$7.77
Temporarily Out Of Stock -> Backorder now for delivery around Aug 21, 2026
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Threaded Spacers - M4 - 4x0.7mm - 5x7 mm Hex - Brass Spacer SHX-T-040M-005-007-BN (PK-500)
Threaded Spacers - M4 - 4x0.7mm - 5x7 mm Hex - Brass Spacer

$675.14
Temporarily Out Of Stock -> Backorder now for delivery around Aug 21, 2026
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Woodruff Keys - 4x13x5 mm - Carbon Steel C45 KW-040-050-127-C (PK-5)
Woodruff Keys - 4x5x12.65 mm Plain - Carbon Steel C45 Key

$6.77
6 (30 pcs) Available Now -> Orders for more than 6 can be expected around Jul 12, 2026
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Socket Cap Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless SC040M-005-C-SK-S4 (PK-10)
Socket Cap Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Screw

$4.77 $8.73
74 (740 pcs) Available Now -> Orders for more than 74 can be expected around Jul 16, 2026
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Pan Head Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Phillips SC040M-005-PJ-PH-S4 (Each)
Pan Head Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Phillips Screw

$3.77 $4.53
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Countersunk Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Phillips SK040M-005-PH-S4 (PK-100)
Countersunk Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Phillips Screw

$8.95
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Button Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Socket SC040M-005-B-SK-S4 (PK-50)
Button Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Socket Screw

$3.32 $6.27
10 (500 pcs) Available Now -> Orders for more than 10 can be expected around Jun 23, 2026
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Ultra Low Head Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Socket SC040M-005-ULH-SKT-S4 (Each)
Ultra Low Head Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Socket Screw

$11.14 $13.36
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Pan Head Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Phillips SC040M-005-P-PH-S4 (PK-10)
Pan Head Screws - M4 - 4x0.7mm - 5 mm - 304 Stainless Phillips Screw

$2.14 $3.92
8 (80 pcs) Available Now -> Orders for more than 8 can be expected around Jun 23, 2026
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Socket Cap Screws - M4 - 4x0.7mm - 5 mm - 316 Stainless SC040M-005-C-SK-S6 (PK-100)
Socket Cap Screws - M4 - 4x0.7mm - 5 mm - 316 Stainless Screw

$46.41
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Spring Plungers - M4 - 4x0.7mm - 9 mm - 16 N No Handle - Steel PLST-040M-150-C-016 (Each)
Spring Plungers - M4 - 4x0.7mm - 15 mm - 5 N No Handle - Steel Plunger

$8.00 $15.20
5 Available Now -> Only the available quantity may be ordered online. No backorders.
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