Product Description
3/8" UNF Grade 5 self colour steel part threaded hex head bolts, suitable for use with UNF nuts and fine thread imperial fastening applications.
These high tensile imperial hex bolts are supplied in a black/self colour unplated finish and feature a part threaded shank. Grade 5 is broadly comparable to metric 8.8 strength class, making these bolts suitable for engineering, automotive, machinery, restoration and maintenance applications where a strong imperial fine thread bolt is required.
- 3/8" UNF imperial fine thread hex head bolts
- High tensile Grade 5 steel, metric equivalent 8.8
- Self colour / black unplated finish
- Part threaded shank
- 24 TPI UNF thread
- 9/16" A/F hexagon head size
- Available in lengths from 1 1/4" to 7"
- Suitable for automotive, engineering, restoration and maintenance use.

| A | B | C | D | E | F | G |
| 3/8" | 6" | 1" | 9/16" | 1/4" | 24 | 5" |
| 3/8" | 7" | 1" | 9/16" | 1/4" | 24 | 6" |
| 3/8" | 1 1/4" | 1" | 9/16" | 1/4" | 24 | 1/4" |
| 3/8" | 1 1/2" | 1" | 9/16" | 1/4" | 24 | 1/2" |
| 3/8" | 1 3/4" | 1" | 9/16" | 1/4" | 24 | 3/4" |
| 3/8" | 2" | 1" | 9/16" | 1/4" | 24 | 1" |
| 3/8" | 2 1/2" | 1" | 9/16" | 1/4" | 24 | 1 1/2" |
| 3/8" | 3" | 1" | 9/16" | 1/4" | 24 | 2" |
| 3/8" | 3 1/4" | 1" | 9/16" | 1/4" | 24 | 2 1/4" |
| 3/8" | 3 1/2" | 1" | 9/16" | 1/4" | 24 | 2 1/2" |
| 3/8" | 4 1/2" | 1" | 9/16" | 1/4" | 24 | 3 1/2" |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.