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Button Head Cap Screw

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The button head version of the "Allen" screw provides a low profile, streamlined appearance with a standard (non-countersunk) hole. These screws should only be used in low tension applications. They have a reduced size hex socket which can make proper tightening difficult. For this reason, we recommend always using a self-locking nut (Part No.'s AN364, AN365, MS21047, or MS21042) or Loctite (Blue) Threadlocker, Part No. LT-24221. Stocked in 10-32 and 1/4-28 UNF sizes, black oxide finish only. All sizes are threaded the full length of the shank.

10-32 Size: Head diameter 0.355". Accepts 1/8" Allen key.
1/4-28 Size: Head diameter 0.435". Accepts 5/32" Allen Key.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Stock Status
10-32 Button Head Cap Screws

631-3-0.250
Condition: New
SKU: 83031

10-32 x 1/4 Button Head Cap Screw

1 to 11: $0.14

12 to 149: $0.14

150 & up: $0.13

In Stock

631-3-0.313
Condition: New
SKU: 83032

10-32 x 5/16 Button Head Cap Screw

1 to 11: $0.17

12 to 149: $0.16

150 & up: $0.15

In Stock

631-3-0.375
Condition: New
SKU: 30730

10-32 x 3/8 Button Head Cap Screw

1 to 11: $0.13

12 to 149: $0.12

150 & up: $0.10

In Stock

631-3-0.500
Condition: New
SKU: 30731

10-32 x 1/2 Button Head Allen Screw

1 to 11: $0.17

12 to 149: $0.16

150 & up: $0.14

In Stock

631-3-0.625
Condition: New
SKU: 30732

10-32 x 5/8 Button Head Cap Screw

1 to 11: $0.16

12 to 149: $0.16

150 & up: $0.15

In Stock

631-3-0.750
Condition: New
SKU: 30733

10-32 x 3/4 Button Head Cap Screw

1 to 11: $0.19

12 to 149: $0.18

150 & up: $0.17

In Stock

631-3-0.875
Condition: New
SKU: 83033

10-32 x 7/8 Button Head Cap Screw

1 to 11: $0.18

12 to 149: $0.17

150 & up: $0.15

In Stock

631-3-1.000
Condition: New
SKU: 30734

10-32 x 1" Button Head Cap Screw

1 to 11: $0.14

12 to 149: $0.13

150 & up: $0.11

In Stock

631-3-1.250
Condition: New
SKU: 83034

10-32 x 1-1/4 Button Head Cap Screw

1 to 11: $0.18

12 & up: $0.16

In Stock

631-3-1.500
Condition: New
SKU: 83042

10-32 x 1-1/2 Button Head Cap Screw

1 to 11: $0.23

12 to 149: $0.20

150 & up: $0.17

In Stock

631-3-1.750
Condition: New
SKU: 83035

10-32 x 1-3/4 Button Head Cap Screw

1 to 11: $0.24

12 & up: $0.22

In Stock

631-3-2.000
Condition: New
SKU: 83036

10-32 x 2" Button Head Cap Screw

1 to 11: $0.39

12 & up: $0.37

In Stock
1/4-28 Button Head Cap Screws

631-4-0.375
Condition: New
SKU: 83037

1/4-28 x 3/8 Button Head Cap Screw

1 to 11: $0.13

12 & up: $0.12

In Stock

631-4-0.500
Condition: New
SKU: 83038

1/4-28 x 1/2 Button Head Cap Screw

$0.19In Stock

631-4-0.625
Condition: New
SKU: 83039

1/4-28 x 5/8 Button Head Cap Screw

1 to 11: $0.29

12 to 149: $0.28

150 & up: $0.27

In Stock

631-4-0.750
Condition: New
SKU: 83040

1/4-28 x 3/4 Button Head Cap Screw

1 to 11: $0.24

12 & up: $0.21

In Stock

631-4-1.000
Condition: New
SKU: 83041

1/4-28 x 1" Button Head Cap Screw

$0.29In Stock

631-4-1.250
Condition: New
SKU: 52529

1/4-28 x 1-1/4 Button Head Cap Screw

1 to 11: $0.29

12 to 149: $0.27

150 & up: $0.24

In Stock

631-4-1.500
Condition: New
SKU: 52530

1/4-28 x 1-1/2 Button Head Cap Screw

1 to 11: $0.34

12 to 149: $0.32

150 & up: $0.29

In Stock
 
Related Product Groups
Allen Head Screws