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Machine Screws

Machine screws are a type of hardware typically used for joining wood or metal together. The screw contains a long metal shaft with a head at one end and a threaded shaft that is inserted through the hole in the material and then tightened to secure it into place. The difference between a machine screw and a regular bolt is that the threads of the machine screw are closer together which means that there is less space for error when assembling them.

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System of Measurement

Drive Type

Hex Size

Specification

Specification - ASME

Carriage Bolts - A307 Grade A Hot-Dip Galvanized & Zinc Plated - 18-8 Stainless Steel
Ultimate Corrosion Resistant SCTX Stainless Steel Structural Lag Screws. ACQ Compatible - Grade 316 - Star Drive - Type 17 Point - Round Washer Head.
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#4-40 x 1/2
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#4-40 x 1/2" Stainless Steel Phillips Pan Head Machine Screw 18-8

4C50MXPS

$4.20 /Box of 100
Only $0.04 Each

#10-32 x 1-1/4
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#10-32 x 1-1/4" Zinc Plated Phillips Flat Head Machine Screw

10F125MXFZ

$9.09 /Box of 100
Only $0.09 Each

#6-32 x 3/8
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#6-32 x 3/8" Stainless Steel Phillips Flat Head Machine Screw 18-8

6C37MXFS

$4.95 /Box of 100
Only $0.05 Each

5/16
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5/16"-18 x 1-1/2" Stainless Steel Phillips Truss Head Machine Screw 18-8

31C150MXTS

$26.97 /Box of 100
Only $0.27 Each

1/4
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1/4"-20 x 5/8" Stainless Steel Slotted Oval Head Machine Screw 18-8

25C62MSOS

$22.50 /Box of 100
Only $0.23 Each

1/4
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1/4"-20 x 3/8" Zinc Plated Phillips Flat Head Machine Screw

25C37MXFZ

$6.26 /Box of 100
Only $0.06 Each

#6-32 x 1-1/4
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#6-32 x 1-1/4" Stainless Steel Phillips Flat Head Machine Screw 316

6C125MXF3

$11.69 /Box of 100
Only $0.12 Each

5/16
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5/16"-18 x 2-1/2" Stainless Steel Phillips Oval Head Machine Screw 316

31C250MXO3

$178.75 /Box of 100
Only $1.79 Each

1/4
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1/4"-20 x 1-1/4" Stainless Steel Phillips Pan Head Machine Screw 18-8

25C125MXPS

$27.00 /Box of 100
Only $0.27 Each

#10-24 x 3/8
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#10-24 x 3/8" Zinc Plated Phillips Pan Head Machine Screw

10C37MXPZ

$4.14 /Box of 100
Only $0.04 Each

#10-24 x 2
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#10-24 x 2" Zinc Plated Phillips Flat Head Machine Screw

10C200MXFZ

$12.89 /Box of 100
Only $0.13 Each

#4-40 x 1/2
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#4-40 x 1/2" Zinc Plated Phillips Round Head Machine Screw

4C50MXRZ

$2.94 /Box of 100
Only $0.03 Each

#10-24 x 1-1/2
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#10-24 x 1-1/2" Stainless Steel Phillips Pan Head Machine Screw 18-8

10C150MXPS

$28.80 /Box of 100
Only $0.29 Each

5/16
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5/16"-18 x 2" Stainless Steel Phillips Flat Head Machine Screw 18-8

31C200MXFS

$63.33 /Box of 100
Only $0.63 Each

1/4
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1/4"-20 x 1" Stainless Steel Slotted Flat Head Machine Screw 18-8

25C100MSFS

$24.00 /Box of 100
Only $0.24 Each

#4-40 x 1/4
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#4-40 x 1/4" Zinc Plated Phillips Round Head Machine Screw

4C25MXRZ

$2.60 /Box of 100
Only $0.03 Each

5/16
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5/16"-18 x 1-1/4" Stainless Steel Slotted Round Head Machine Screw 18-8

31C125MSRS

$52.50 /Box of 100
Only $0.53 Each

#8-32 x 3/8
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#8-32 x 3/8" Brass Slotted Round Head Machine Screw

8C37MSRB

$15.99 /Box of 100
Only $0.16 Each

3/8
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3/8"-16 x 1-1/2" Stainless Steel Phillips Flat Head Machine Screw 316

37C150MXF3

$96.25 /Box of 100
Only $0.96 Each

M5-.8 x 25mm Zinc Plated Phillips Pan Head Machine Screw
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M5-.8 x 25mm Zinc Plated Phillips Pan Head Machine Screw

.5C25MXPZ

$13.23 /Box of 100
Only $0.13 Each

#10-24 x 3/8
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#10-24 x 3/8" Stainless Steel Phillips Flat Head Machine Screw 18-8

10C37MXFS

$7.14 /Box of 100
Only $0.07 Each

3/8
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3/8"-16 x 1-1/4" Stainless Steel Phillips Pan Head Machine Screw 316

37C125MXP3

$68.75 /Box of 50
Only $1.38 Each

1/4
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1/4"-20 x 1-1/4" Stainless Steel Phillips Flat Head Machine Screw 316

25C125MXF3

$34.16 /Box of 100
Only $0.34 Each

5/16
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5/16"-18 x 1/2" Zinc Plated Phillips Pan Head Machine Screw

31C50MXPZ

$22.60 /Box of 100
Only $0.23 Each

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Big Timber BTX Exterior Grade Construction Screws