S-93395A196 M3 x 4 mm DIN 7991 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments and extended service life
• High tensile strength of 70,000 psi ensures reliable, durable fastening under demanding mechanical loads
• Precise Class 6g thread fit guarantees smooth installation and secure mating with nuts or tapped holes
• 2mm hex drive design provides excellent torque transmission and reduces the risk of tool slippage during assembly
• Fully threaded M3 coarse pitch (0.5mm) offers maximum grip and holding power across the entire 4mm length
• Standard 90° countersink angle and flat head profile enables flush mounting for a clean, professional finish
• Compliance with DIN 7991, RoHS 3, and REACH ensures adherence to international quality and environmental safety standards

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these M3 flat head screws in 316 stainless steel provide exceptional resistance to chemicals, moisture, and saltwater corrosion, making them ideal for marine, chemical processing, and outdoor equipment. The passivated finish enhances surface durability, while the hex drive and coarse thread design ensure quick, secure installation in high-vibration applications. With a fully threaded metric screw profile and precise Class 6g tolerance, they deliver consistent performance in machinery, enclosures, and structural assemblies where reliability and compliance with DIN 7991 are critical.

Specification Summary & Compliance

This screw features a metric M3 x 0.5mm coarse thread with Class 6g fit, 4mm length, and right-hand threading. Manufacturing adheres to DIN 7991 specifications, with head diameter tolerance of 0 to 0.72 mm. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.