Security fasteners provide an added level of security by their drive design that prevents removal with ordinary screw drivers. Maximum torque transfer & positive tool engagement means easier drive installation with less pressure & slippage. Requires matching driver bit.
Button Head screws are typically used for general purposes with a lower crown & shallower recess than round head screws.
5/16-18 x 3/4" Security Machine Screw - Button Hex Socket Head - Alloy Steel - Black Oxide - 100 Pk
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Product Description
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$58.95
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Weights & Dimensions
| Length | 3/4 in |
| Drill Size | 3/16 in |
| Size | 5/16-18 |
| Head | Button |
| Thread | Coarse in |
| Unit of Measurement | Inch (Imperial) |
Product Details
| Drive | Hex Socket - Pin |
| Country of Origin | Made in USA |
| Finish | Black Oxide |
| Material | Steel |
| Description | Tamper Resistant Machine Screw |
| Package Quantity | 100 |
| Manufacturers Part Number | 21620 |
| Full or Partial Thread | Full |
| Grade | 4037 |
| Brand | Tamper-Pruf Screws |