Product Description
1/4" UNC A2 stainless steel socket cap bolts to ASME B18.3, with part threaded shanks.
These Unified National Coarse socket cap bolts feature a cylindrical cap head with an internal hex socket drive, also known as an Allen key drive. Manufactured from A2 stainless steel, also known as 304 stainless steel, they offer good corrosion resistance for engineering, machinery, automotive, restoration, maintenance and outdoor fastening applications.
- 1/4" UNC Unified National Coarse thread
- A2 stainless steel, also known as 304 stainless steel
- ASME B18.3 imperial socket cap screw pattern
- Socket cap head with part threaded shank
- 1/4"-20 UNC thread size
- 20 TPI thread pitch
- 3/16" hex socket / Allen key size
- Available in lengths from 1 1/2" to 3"
All sizes are Part Threaded 
| A | B | C | D | E | F | G |
| 1/4" | 1 1/2" | * | 0.36 | 0.24 | 3/16" | 20 |
| 1/4" | 3" | * | 0.36 | 0.24 | 3/16" | 20 |
| 1/4" | 2 1/2" | * | 0.36 | 0.24 | 3/16" | 20 |
| 1/4" | 2 1/4" | * | 0.36 | 0.24 | 3/16" | 20 |
| 1/4" | 1 3/4" | * | 0.36 | 0.24 | 3/16" | 20 |
| 1/4" | 2" | 1.06 | 0.36 | 0.24 | 3/16" | 20 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.