HT Allen Hex Socket Cap Screw:1/2" x 4"UNF - 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
- 1/2"
- Nominal length
- 4"
- Property class
- 12.9
About this product
This 1/2 inch nominal diameter cap screw is manufactured from steel with a property class of 12.9. It features a black surface finish and measures four inches in nominal length. The fastener conforms to the BS 18.3 (1936) standard and is threaded for four inches with an UNF series pattern.
Specifications
| B1 items group | 158 |
|---|---|
| Item group | HT Al Hx Soc Cap Scr |
| Material | Steel |
| Nominal diameter | 1/2" |
| Nominal length | 4" |
| Property class | 12.9 |
| Standard | BS 18.3 (1936) |
| Surface finish | Black |
| Thread coverage | Half Thread |
| Thread series | UNF |
