Product Description
1" UNC Grade 5 Self Colour Hex Head Part Threaded Bolts
Grade 5 steel hexagon head bolts with a 1"-8 UNC thread and a plain, self colour finish. Available in 4 1/2" and 7" lengths, each featuring a partially threaded shank.
The hexagon head allows tightening with a suitable spanner or socket. Designed for assemblies requiring imperial UNC fasteners with an unthreaded section beneath the head.
Specifications
| Product type | Partially threaded hexagon head bolt |
|---|---|
| Material | Steel |
| Strength grade | Grade 5 |
| Finish | Plain / self colour, unplated |
| Thread designation | 1"-8 UNC |
| Nominal thread diameter | 1" / 25.4mm |
| Threads per inch | 8 TPI |
| Thread series | Unified National Coarse |
| Thread coverage | Partially threaded, with plain shank |
| Head style | Hexagon |
| Length measurement | From beneath the head to the tip |
Available Lengths
| Imperial Length | Metric Equivalent |
|---|---|
| 4 1/2" | 114.3mm |
| 7" | 177.8mm |
Key Features
- Grade 5 steel construction.
- 1"-8 UNC imperial coarse thread.
- Partially threaded shank.
- Hexagon head for spanner or socket installation.
- Plain, unplated self colour finish.
Typical Applications
- Machinery assembly and maintenance.
- Equipment repairs requiring 1" UNC fasteners.
- Engineering assemblies specifying Grade 5 bolts.
- Restoration of machinery using imperial threads.
Self colour steel has no plated corrosion protection. Apply suitable protection where exposure to moisture could cause rust.
Pack Sizes and Ordering
Select 4 1/2" or 7" under-head length and a pack of 1, 5, 10 or 20 bolts. Supplied as bolts only; nuts and washers are not included.
Standards
Strength grade reference: SAE J429 Grade 5. Thread designation: 1"-8 UNC. Exact compliance with a dimensional standard has not been verified for this listing.
