S-97595A676 M5 x 20 mm DIN 7991 Brass Hex Drive Flat Head Screws
Brass Hex Drive Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with brass construction, ideal for harsh environments and electrical applications
- High-strength fastening with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, durable connections
- Efficient installation and removal using a standard 3 mm hex drive, reducing assembly time and tool slippage
- Precise thread engagement with Class 6g fit and coarse 0.8 mm pitch for quick, secure fastening in various materials
- Flush, professional finish thanks to the standard flat head profile and 90° countersink angle
- Full-length threading (M5 x 20mm) ensures maximum grip and load distribution along the entire fastener
- Compliance with major regulations including RoHS 3 and REACH, ensuring safety and environmental standards are met
Professional Applications & Engineering Value
This M5 brass flat head screw is engineered to address common industrial challenges such as galvanic corrosion, vibration loosening, and the need for electrical conductivity. The hex drive design provides superior torque transmission compared to slotted heads, minimizing cam-out and damage during high-torque applications in machinery, electronics, and automotive assemblies. Its fully threaded metric coarse thread (0.8 mm pitch) ensures rapid installation and strong holding power in soft metals or plastics, while the 90° countersink allows for a seamless, flush mount that prevents snagging and improves aesthetic integration. Manufactured to DIN 7991, it guarantees dimensional consistency and reliability in precision fastening tasks.
Specification Summary & Compliance
This screw features M5 x 0.8 mm coarse threads with a Class 6g tolerance for consistent fit. It is fully threaded, with a length of 20 mm, head diameter of 10 mm, and a standard flat head profile. The manufacturing and material specifications conform to DIN 7991. It is compliant with RoHS 3 (2015/863/EU) with exemption 6(a)-I for lead in brass, and meets REACH (EC 1907/2006) requirements as of the latest update.
