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In observance of Labor Day, all K.L. Jack locations will be closed on Monday, September 7.

Round Head 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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#10-24 x 1-1/2
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#10-24 x 1-1/2" Zinc Plated Slotted Round Head Machine Screw

10C150MSRZ

$2.96 /Box of 100
Only $0.03 Each

#12-24 x 1-1/2
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#12-24 x 1-1/2" Zinc Plated Slotted Round Head Machine Screw

12C150MSRZ

$13.60 /Box of 100
Only $0.14 Each

#6-32 x 5/16
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#6-32 x 5/16" Zinc Plated Slotted Round Head Machine Screw

6C31MSRZ

$1.29 /Box of 100
Only $0.01 Each

1/4
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1/4"-20 x 2-1/2" Zinc Plated Slotted Round Head Machine Screw

25C250MSRZ

$37.72 /Box of 100
Only $0.38 Each

#4-40 x 1/2
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#4-40 x 1/2" Stainless Steel Slotted Round Head Machine Screw 18-8

4C50MSRS

$4.20 /Box of 100
Only $0.04 Each

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

25C100MXRS

$33.39 /Box of 100
Only $0.33 Each

1/4
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1/4"-20 x 5" Zinc Plated Slotted Round Head Machine Screw

25C500MSRZ

$57.88 /Box of 100
Only $0.58 Each

1/4
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1/4"-20 x 2-1/2" Zinc Plated Phillips Round Head Machine Screw

25C250MXRZ

$32.35 /Box of 100
Only $0.32 Each

1/4
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1/4"-20 x 6" Stainless Steel Slotted Round Head Machine Screw 18-8

25C600MSRS

$90.00 /Box of 50
Only $1.80 Each

#10-24 x 5/8
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#10-24 x 5/8" Zinc Plated Slotted Round Head Machine Screw

10C62MSRZ

$4.41 /Box of 100
Only $0.04 Each

5/16
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5/16"-18 x 3/4" Stainless Steel Slotted Round Head Machine Screw 18-8

31C75MSRS

$45.00 /Box of 100
Only $0.45 Each

5/16
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5/16"-18 x 1-1/2" Stainless Steel Slotted Round Head Machine Screw 18-8

31C150MSRS

$60.00 /Box of 100
Only $0.60 Each

5/16
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5/16"-18 x 1-1/4" Zinc Plated Slotted Round Head Machine Screw

31C125MSRZ

$8.04 /Box of 100
Only $0.08 Each

1/4
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1/4"-20 x 2" Zinc Plated Phillips Round Head Machine Screw

25C200MXRZ

$15.92 /Box of 100
Only $0.16 Each

1/4
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1/4"-20 x 1-1/4" Zinc Plated Slotted Round Head Machine Screw

25C125MSRZ

$9.65 /Box of 100
Only $0.10 Each

1/4
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1/4"-20 x 3" Brass Slotted Round Head Machine Screw

25C300MSRB

$123.13 /Box of 100
Only $1.23 Each

#12-24 x 1/2
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#12-24 x 1/2" Brass Slotted Round Head Machine Screw

12C50MSRB

$25.29 /Box of 100
Only $0.25 Each

#10-32 x 4
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#10-32 x 4" Zinc Plated Slotted Round Head Machine Screw

10F400MSRZ

$19.29 /Box of 100
Only $0.19 Each

3/8
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3/8"-16 x 1" Stainless Steel Slotted Round Head Machine Screw 18-8

37C100MSRS

$30.21 /Box of 50
Only $0.60 Each

1/4
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1/4"-20 x 2-1/2" Stainless Steel Slotted Round Head Machine Screw 18-8

25C250MSRS

$21.00 /Box of 100
Only $0.21 Each

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

10C150MXRS

$19.08 /Box of 100
Only $0.19 Each

#12-24 x 3/4
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#12-24 x 3/4" Zinc Plated Slotted Round Head Machine Screw

12C75MSRZ

$9.00 /Box of 100
Only $0.09 Each

#8-32 x 3/4
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#8-32 x 3/4" Zinc Plated Phillips Round Head Machine Screw

8C75MXRZ

$4.37 /Box of 100
Only $0.04 Each

#10-32 x 1/2
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#10-32 x 1/2" Stainless Steel Phillips Round Head Machine Screw 18-8

10F50MXRS

$8.59 /Box of 100
Only $0.09 Each

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Ultimate Corrosion Resistant SCTX Stainless Steel Structural Lag Screws. ACQ Compatible - Grade 316 - Star Drive - Type 17 Point - Round Washer Head.