Value Collection SCXX203020-050BX M3 Hex Socket Cap Screw 50pk

Product Description

The VALUE COLLECTION SCXX203020-050BX is a metric hex socket cap screw designed for precision fastening in mechanical assemblies, equipment fabrication, and maintenance applications. It features an M3 x 0.50 thread size with a 20 mm length under head and partial threading along the shank. Manufactured from 316 austenitic stainless steel (Grade A4) with a bright, uncoated finish, this fastener offers strong corrosion resistance in wet, marine, or chemically exposed environments. Drive type is internal hex (Allen), and the fastener conforms to DIN 912 dimensional standards. Sold in a minimum order quantity of 50 pieces per order.

This screw is suited for light mechanical assemblies, instrumentation enclosures, pump and valve components, and other applications where corrosion resistance and dimensional precision are required. The M3 size and DIN 912 standard make it a common choice in fabrication shops, maintenance facilities, and OEM production lines. Grade A4 stainless is appropriate for marine environments and chemical processing applications where standard 18-8 hardware may not provide adequate longevity. Installation requires a standard hex key or Allen driver sized for M3 socket cap screws.

Key Features

• M3 x 0.50 thread size with 20 mm length under head
• Partially threaded shank per DIN 912 specification
• 316 stainless steel, austenitic Grade A4 for elevated corrosion resistance
• Bright, uncoated finish — no plating to flake or contaminate the assembly
• Internal hex (Allen) drive for high-torque fastening in tight spaces
• Sold in multiples of 50 — suited for production and bulk maintenance use

Compatibility

Designed for use in any application requiring a DIN 912 metric hex socket cap screw with M3 x 0.50 thread pitch and 20 mm length under head. Compatible with standard M3 metric tapped holes.

Installation Notes

Install with the correctly sized metric hex key or Allen driver to avoid rounding the socket. Ensure the mating tapped hole is clean and free of debris before threading. Apply appropriate torque for M3 stainless fasteners per the applicable assembly specification, as stainless steel fasteners are susceptible to galling if driven at excessive speed. Power down or de-energize any equipment before performing fastener service on live assemblies.