Value Collection FHS1XX1640-010BX Flat Socket Cap Screw M16x2

Product Description

The VALUE COLLECTION FHS1XX1640-010BX is a metric flat socket cap screw designed for flush or countersunk fastening applications where a low-profile head and corrosion resistance are both required. The screw features a 90-degree flat head with a 10 mm hex socket drive and is manufactured from 316 austenitic stainless steel to Grade A4, providing strong resistance to corrosive environments including salt water, chemicals, and high-humidity settings. At 40 mm overall length with 38 mm of thread engagement and an M16x2 thread size, this fastener handles medium-to-heavy structural connections. It conforms to DIN 7991 and carries a 6G thread fit class. Installed by mechanical contractors, maintenance technicians, and fabricators wherever a recessed drive and flat seating surface are needed.

This flat socket cap screw is suited for marine, chemical processing, food service, and general industrial applications where 316 stainless steel is specified for its corrosion resistance. The partially threaded shank provides a clamping zone that resists loosening under vibration and load. Its plain finish maintains dimensional accuracy without added coating buildup, making it compatible with close-tolerance countersunk holes. This fastener is sold individually and is appropriate for both original equipment assembly and field repair work.

Key Features

• 316 austenitic stainless steel, Material Grade A4 per DIN 7991 for superior corrosion resistance
• 90-degree flat head seats flush in standard countersunk holes
• 10 mm hex socket drive for high-torque installation with standard Allen keys or hex bits
• Partially threaded shank with 38 mm thread length out of 40 mm overall length
• M16x2 metric thread, 6G thread fit class for consistent engagement
• Plain finish preserves close tolerances and requires no coating allowance

Compatibility

Designed as an OEM-style and field-replacement metric flat socket cap screw for applications requiring an M16x2 thread size and a DIN 7991 90-degree flat head profile in 316 stainless steel.

Installation Notes

Installation is performed by mechanical technicians or fabricators using a 10 mm hex key or socket bit. Verify that the mating countersunk hole angle matches the 90-degree flat head seating geometry before installation. Apply appropriate thread lubricant or anti-seize compound when fastening into dissimilar metals to prevent galling, which is common with stainless steel fasteners. Follow applicable industry torque guidelines for M16 stainless fasteners and confirm thread engagement depth before final tightening.