Product Description
5/8 Inch UNF Grade 5 Self Colour Steel Part Threaded Hex Head Bolts
Grade 5 high tensile steel hexagon head bolts with a black self colour finish. These bolts have a 5/8 inch UNF thread with 18 threads per inch and a partially threaded shank.
Bolt length is measured from beneath the head to the end of the bolt.
Key Features
- Grade 5 high tensile steel
- 5/8 inch Unified National Fine thread
- 18 threads per inch
- Partially threaded with a plain shank beneath the head
- Hexagon head
- Black self colour finish
Use with matching 5/8 inch UNF nuts or tapped holes. Select the bolt length and plain shank to suit the assembly. Consider suitable corrosion protection where self colour steel will be exposed to moisture.
Related Products
- 1/4 Inch UNF Grade 5 Part Threaded Hex Head Bolts
- 5/16 Inch UNF Grade 5 Part Threaded Hex Head Bolts
- Nuts
- Washers
Specifications are intended as a guide. Confirm the required length, thread size, shank length and strength grade before ordering.

| A | B | C | D | E | F | G |
| 5/8" | 2 1/2" | 1 1/2" | 15/16" | 3/8" | 18 | 1" |
| 5/8" | 2 1/4" | 1 1/2" | 15/16" | 3/8" | 18 | 3/4" |
| 5/8" | 3 1/2" | 1 1/2" | 15/16" | 3/8" | 18 | 2" |
| 5/8" | 3" | 1 1/2" | 15/16" | 3/8" | 18 | 3" |
| 5/8" | 4 1/2" | 1 1/2" | 15/16" | 3/8" | 18 | 3" |
| 5/8" | 4" | 1 1/2" | 15/16" | 3/8" | 18 | 2 1/2" |
| 5/8" | 5 1/2" | 1" | 15/16" | 3/8" | 18 | 4 1/2" |
| 5/8" | 5" | 1 1/2" | 15/16" | 3/8" | 18 | 3 1/2" |
| 5/8" | 6" | 1 1/2" | 1 5/16" | 3/8" | 18 | 4 1/2" |
| 5/8" | 7" | 1 3/4" | 15/16" | 3/8" | 18 | 5 1/4" |
| 5/8" | 8" | 1 3/4" | 15/16" | 3/8" | 18 | 6 1/4" |
| 5/8" | 2" | 1 1/2" | 15/16" | 3/8" | 18 | 1/2" |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.