Value Collection 3ssbs04c006 Button Socket Cap Screw

Product Description

The VALUE COLLECTION 3ssbs04c006 is a 4-40 UNC button socket cap screw manufactured from 18-8 stainless steel with a bright, uncoated finish. Measuring 3/8 inch in length under the head, it uses a 1/16 inch hex socket drive and features a low-profile button head. The 18-8 stainless steel construction provides corrosion resistance suitable for general industrial, mechanical, and electrical enclosure applications. Thread fit is Class 3A with a right-hand thread direction. This fastener meets ANSI/ASME B18.3 and ASTM F837 standards. Machinists, assemblers, and maintenance technicians working with light-duty threaded assemblies will find this screw appropriate for close-tolerance work where a low-profile head is required.

This screw is suited for light-duty mechanical assemblies, electronic enclosures, instrument panels, and precision equipment where a 4-40 UNC thread and minimal head height are specified. The button head profile keeps the fastener below surrounding surfaces in countersunk or shallow clearance applications. Its stainless steel material makes it a practical choice in environments with moderate moisture exposure or where mild corrosion resistance is needed without the cost of a specialty alloy.

Key Features

• 4-40 UNC thread with Class 3A fit for close-tolerance assemblies
• Low-profile button head at 0.059 inch head height reduces interference in tight clearances
• 18-8 stainless steel construction offers corrosion resistance in moderate environments
• 1/16 inch hex socket drive for use with standard hex key sets
• Bright, uncoated finish — no plating to affect dimensional tolerances
• Meets ANSI/ASME B18.3 and ASTM F837 fastener standards

Compatibility

Designed as a standard 4-40 UNC button socket cap screw for use in any assembly requiring ANSI/ASME B18.3 compliant fasteners of this thread size and head style.

Installation Notes

Installation is performed with a 1/16 inch hex key or Allen driver. Verify the mating thread is tapped to 4-40 UNC specification before driving. Apply appropriate torque for 18-8 stainless steel fasteners of this size to avoid galling, and consider anti-seize compound on stainless-to-stainless thread engagements. Follow applicable mechanical or electrical codes for the assembly type.