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Hex Cap Screw
Technically considered a screw. It features a hex head with a washer face on the bottom. The washer face can be called a bearing surface. It is intended to be used in a tapped hole. Can be used with nuts and washers though.
Dimensions
ASME B18.2.1
| Thread Dia. | Hex - Across Flats | Head Height | Thread Length | Thread Length > 6" |
|---|---|---|---|---|
| 1/4 | 7/16 | 5/32 | 3/4 | 1 |
| 5/16 | 1/2 | 13/64 | 7/8 | 1 1/4 |
| 3/8 | 9/16 | 15/64 | 1 | 1 1/4 |
| 7/16 | 5/8 | 9/32 | 1 1/8 | 1 3/8 |
| 1/2 | 3/4 | 5/16 | 1 1/4 | 1 1/2 |
| 9/16 | 13/16 | 23/64 | 1 3/8 | 1 5/8 |
| 5/8 | 15/16 | 25/64 | 1 1/2 | 1 3/4 |
| 3/4 | 1 1/8 | 15/32 | 1 3/4 | 2 |
| 7/8 | 1 5/16 | 35/64 | 2 | 2 1/4 |
| 1 | 1 1/2 | 39/64 | 2 1/4 | 2 1/2 |
| 1 1/8 | 1 11/16 | 11/16 | 2 1/2 | 2 3/4 |
| 1 1/4 | 1 7/8 | 25/32 | 2 3/4 | 3 |
| 1 1/2 | 2 1/4 | 1 5/16 | 3 1/4 | 3 1/2 |