HT Allen Hex Socket Cap Screw:5/16" x 4 1/2"UNC - BS 18.3 (1936)/12.9/Black/Half Thread

At a glance
- B1 items group
- 158
- Item group
- HT Al Hx Soc Cap Scr
- Material
- Steel
- Nominal diameter
- 5/16"
- Nominal length
- 4 1/2"
- Property class
- 12.9
About this product
This steel screw is designated with a nominal diameter of 5/16 inches and a length of 4 1/2 inches. It features a property class of 12.9 and a black surface finish. The fastener utilizes a UNC thread series and is manufactured to the BS 18.3 (1936) standard. It is designed with a half-thread configuration for specific assembly requirements.
Specifications
| B1 items group | 158 |
|---|---|
| Item group | HT Al Hx Soc Cap Scr |
| Material | Steel |
| Nominal diameter | 5/16" |
| Nominal length | 4 1/2" |
| Property class | 12.9 |
| Standard | BS 18.3 (1936) |
| Surface finish | Black |
| Thread coverage | Half Thread |
| Thread series | UNC |
