Description
Overview
Imperial UNF and UNC fasteners are selected by thread form, diameter, length, material, finish and strength grade. UNF is a fine thread form and UNC is a coarse thread form; they must not be mixed with metric threads.
This selected size is specified with thread 5/8 in.
Sold in multiples of '200 pieces. 1 Box = '200 pieces.
Material, Grade & Strength
The material and grade should be matched to the load, environment and mating components used in the assembly.
Finish & Corrosion Protection
Plain finish has no plated corrosion protection and is best used in protected, oiled, painted or indoor environments.
Typical Uses
Imperial UNF and UNC fasteners are used in equipment, vehicles and machinery designed around inch-series thread systems.
Technical Tips
- Do not mix metric and imperial threads.
- Confirm whether the thread is UNF or UNC before ordering.
- Use matching imperial nuts and washers.
- Select the correct spanner or socket size for the hex head.
Selection Advice
Select the product by matching the thread, size, material, finish and function to the assembly. Avoid choosing only by appearance or a partial part number.
Specifications
| Measurement Type | Inch |
|---|---|
| Thread Size | 5/8 in |
| Thread Type | UNF |
| Drive Type | External Hex |
| Head Style | Hex |
| Material | Hi - Tensile Steel |
| Finish | Plain |
| Grade | Grade 5 |
| Standards Met | SAE |
| Package Quantity | 200 |
| Package Type | Box |