S-95440A117 M6 x 16 mm ASTM A276 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Enhanced durability and strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term performance
• Secure, flush installation achieved with the undercut flat head profile and 100° countersink angle
• Efficient installation and removal using the 4 mm hex drive, preventing tool slippage
• Reliable thread engagement with Class 6g coarse threads, ensuring consistent fit in a wide range of materials
• Full-length threading provides maximum grip and holding power along the entire 16 mm length
• Compliance with major industry standards including ASTM A276, RoHS 3, and REACH for assured quality and environmental safety

Professional Applications & Engineering Value

This M6 flat head screw is engineered to solve critical challenges in demanding industrial applications. The 316 stainless steel material offers exceptional resistance to corrosion from chlorides and acidic environments, making it a top choice for marine equipment, chemical processing plants, and outdoor machinery. The black oxide finish not only provides an attractive, uniform appearance but also adds a layer of protection against galling and minor abrasion. The combination of the undercut flat head and 100° countersink angle ensures a perfectly flush finish, eliminating protrusions that could interfere with moving parts or create safety hazards. Paired with the hex drive and coarse thread design, these screws enable quick, secure fastening in wood, metal, and plastic components, reducing assembly time and improving overall structural integrity in industrial fastening systems.

Specification Summary & Compliance

This fully threaded screw features an M6 x 1 mm metric coarse thread with a Class 6g tolerance for precise fit. The head diameter is 12 mm with a tolerance of -0.127 to 0.127 mm, ensuring consistent countersinking. Manufacturing and material quality are verified to meet ASTM A276. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations for hazardous substances.