Value Collection 3sscs04f008 Hex Socket Cap Screw 4-48 Unf

Product Description

The VALUE COLLECTION 3sscs04f008 is a 4-48 UNF hex socket cap screw designed for precision fastening applications requiring a compact, high-strength connection. Manufactured from 18-8 austenitic stainless steel (Grade A2), this fastener delivers reliable corrosion resistance in a wide range of service environments. The screw measures 0.5 inches in length under the head, is fully threaded, and accepts a 3/32 inch hex drive. It conforms to ASME/ANSI B18.3 and ASTM F837 standards, making it a consistent choice for engineers, machinists, and maintenance professionals working to specification.

This cap screw is suited for light-duty mechanical assemblies, instrument panels, electronics enclosures, and small-component fabrication where a fine-thread UNF fastener is required. The 4-48 thread pitch provides strong thread engagement in thin materials and tight tolerances. The bright, uncoated finish keeps the stainless alloy properties intact without added surface treatments, appropriate for clean-room, food-service-adjacent, or corrosive-environment installations.

Key Features

• 18-8 austenitic stainless steel (Grade A2) construction for corrosion resistance
• Fully threaded body maximizes thread engagement over the full 0.5-inch length
• 4-48 UNF fine thread for secure fastening in thin or precision-machined materials
• Hex socket drive accepts a 3/32 inch hex key for installation in confined spaces
• Bright, uncoated finish preserves base material properties with no added coating
• Conforms to ASME/ANSI B18.3 and ASTM F837 standards

Compatibility

Designed as a standard 4-48 UNF hex socket cap screw suitable for use in any application requiring an ASME/ANSI B18.3-compliant fastener with a 3/32 inch hex drive and 0.5-inch length under head.

Installation Notes

Install with a calibrated 3/32 inch hex key or Allen driver; use of the correct drive size prevents socket rounding in stainless fasteners. Stainless steel fasteners are susceptible to galling during installation — apply a small amount of appropriate anti-seize or lubricant to the threads before driving. Ensure mating threads are clean and free of debris before assembly. This fastener is sold in minimum order quantities of 100 pieces.