HT Allen Hex Socket Cap Screw:5/16" x 4"UNF - BS 18.3 (1936)/12.9/Black/Half Thread
At a glance
- B1 items group
- 158
- Drive type
- Hex Socket
- Item group
- HT Al Hx Soc Cap Scr
- Material
- Steel
- Nominal diameter
- 5/16"
- Nominal length
- 4"
About this product
This steel cap screw features a 5/16" nominal diameter and a 4" nominal length. It is graded to property class 12.9 with a black surface finish. The fastener utilizes a UNF thread series with half thread coverage in accordance with standard BS 18.3 (1936).
Specifications
| B1 items group | 158 |
|---|---|
| Drive type | Hex Socket |
| Item group | HT Al Hx Soc Cap Scr |
| Material | Steel |
| Nominal diameter | 5/16" |
| Nominal length | 4" |
| Property class | 12.9 |
| Standard | BS 18.3 (1936) |
| Surface finish | Black |
| Thread coverage | Half Thread |
| Thread series | UNF |