Product Description
3/8" UNC Grade 5 self colour steel hexagon head part threaded bolts for high tensile imperial fastening applications.
These 3/8" UNC hex head bolts are manufactured from Grade 5 steel and supplied in a self colour / unplated finish. The part threaded shank makes them suitable for applications where a plain shank section is required through the joint, helping with alignment and shear strength compared with a fully threaded set screw.
- Thread size: 3/8" UNC
- Thread form: UNC / Unified National Coarse
- Material: Steel
- Grade: Grade 5 high tensile
- Finish: Self colour / unplated
- Head type: Hexagon head
- Thread type: Part threaded bolt with plain shank
- Suitable for: Engineering, machinery, automotive and restoration work
| Thread Size | Thread Form | Grade | Finish | Thread Type |
|---|---|---|---|---|
| 3/8" | UNC | Grade 5 | Self Colour | Part Threaded |

| A | B | C | D | E | F | G |
| 3/8" | 6" | 1" | 9/16" | 1/4" | 16 | 5" |
| 3/8" | 5 1/2" | 1" | 9/16" | 1/4" | 16 | 4 1/2" |
| 3/8" | 3 1/2" | 1" | 9/16" | 1/4" | 16 | 2 1/2" |
| 3/8" | 1 1/4" | 1" | 9/16" | 1/4" | 16 | 1/4" |
| 3/8" | 1 1/2" | 1" | 9/16" | 1/4" | 16 | 1/2" |
| 3/8" | 1 3/4" | 1" | 9/16" | 1/4" | 16 | 3/4" |
| 3/8" | 2" | 1" | 9/16" | 1/4" | 16 | 1" |
| 3/8" | 2 1/4" | 1" | 9/16" | 1/4" | 16 | 1 1/4" |
| 3/8" | 2 1/2" | 1" | 9/16" | 1/4" | 16 | 1 1/2" |
| 3/8" | 2 3/4" | 1" | 9/16" | 1/4" | 16 | 1 3/4" |
| 3/8" | 3" | 1" | 9/16" | 1/4" | 16 | 2" |
| 3/8" | 4" | 1" | 9/16" | 1/4" | 16 | 3" |
| 3/8" | 4 1/2" | 1" | 9/16" | 1/4" | 16 | 3 1/2" |
| 3/8" | 5" | 1" | 9/16" | 1/4" | 16 | 4" |
| 3/8" | 6 1/2" | 1" | 9/16" | 1/4" | 16 | 5 1/2" |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.