Description
Hexagon Socket Countersunk Head Screw, UNC - Inch Series, BS 2470 : 1973, 1/4 X 5/8 in
Overview
This industrial fastener is supplied by Screwman for industrial, engineering and maintenance applications. This item is part of Screwman's industrial fastener range and is selected by size, thread, material, finish and grade. This item is supplied with diameter 1/4 in, length 5/8 in, thread 1/4 in.
Sold in multiples of '25 pieces. 1 Box = '25 pieces.
Product Specifications
| Standard | BS 2470 - 1973 |
|---|---|
| Material | Hi - Tensile Steel |
| Finish | Plain |
| Grade | Grade 10.9 |
| Diameter | 1/4 in |
| Length | 5/8 in |
| Thread Size | 1/4 in |
| Head Style | Round |
| Drive Type | Hex |
| Package Quantity | '25 |
| Package Type | Box |
Typical Applications
- Maintenance
- Engineering
- Fabrication
- Construction And Workshop Use
Material, Finish & Grade
Material: Hi - Tensile Steel Mild or carbon steel is a strong, economical fastener material for general engineering use. Corrosion protection depends on the selected finish.
Finish: Plain Plain finish products are best suited to indoor, oiled, painted or protected applications.
Grade: Grade 10.9 Grade 10.9 is a high tensile grade for demanding mechanical assemblies.
Recommended Products
Choose compatible size, material and finish. These related categories are commonly used together with this item.
Installation & Selection Notes
- Confirm thread size, length, material and finish before ordering.
- Use compatible nuts, washers and mating materials.
- For critical joints, follow suitable torque guidance for the material and grade.
- Stainless fasteners can gall if installed dry; suitable lubrication may be required.
- For outdoor or corrosive environments, select stainless steel, hot dip galvanised or another corrosion-resistant option.
Common Questions
How do I choose the correct fastener? Match the standard, diameter, length, thread, material, finish and grade to the joint and environment.
Can this be used outdoors? Outdoor suitability depends mainly on material and finish. Stainless steel and hot dip galvanised options are better suited to exposed environments than plain products.
Why Buy From Screwman?
Screwman has supplied fasteners, tools and industrial hardware since 1974. Our product data is structured to help engineering, maintenance, construction and workshop customers choose the correct item quickly.
Data Sheet
Specifications
| Measurement Type | Inch |
|---|---|
| Thread Size | 1/4 in |
| Thread Per Inch | 20 |
| Thread Type | UNC |
| Thread Style | Fully Thread |
| Drive Size | 5/32 in |
| Drive Type | Hex |
| Head Style | Round |
| Diameter | 1/4 in |
| Length | 5/8 in |
| Material | Hi - Tensile Steel |
| Finish | Plain |
| Grade | Grade 10.9 |
| Standards Met | BS 2470 - 1973 |
| Package Quantity | 25 |
| Package Type | Box |