S-90729A629 M12 x 30 mm ASTM A276 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel 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 316 Stainless Steel and passivated finish, ideal for harsh environments and extended service life.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing in demanding applications.
- Precise thread engagement with Class 6g fit and coarse M12 x 1.75mm thread, ensuring secure fastening and reduced assembly time.
- Optimized head design featuring an undercut flat head and 100° countersink angle for flush installation and improved aesthetic finish.
- Easy installation and removal with 8 mm hex drive, providing superior torque transmission and minimizing tool slippage.
- Full threading along the 30 mm length for maximum grip and uniform stress distribution across the joint.
- Compliance with international standards including ASTM A276, RoHS 3, and REACH, ensuring material quality and environmental safety.
Professional Applications & Engineering Value
This M12 flat head screw is engineered from 316 Stainless Steel with a passivated finish to combat corrosion in aggressive settings like marine, chemical processing, and outdoor structures. The fully threaded design and Class 6g thread fit provide consistent clamping force, reducing the risk of loosening under vibration and thermal cycling. The undercut flat head with a 100° countersink angle allows for a seamless surface finish, preventing protrusions in precision assemblies. Ideal for high-strength applications requiring reliable fastening, it supports industries such as machinery, construction, and automotive where durability and compliance with ASTM A276 are critical.
Specification Summary & Compliance
This screw adheres to precise dimensional tolerances, including a head diameter tolerance of -0.127 to 0.127 mm and Class 6g thread fit per metric standards. It meets ASTM A276 for material specifications, ensuring consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for hazardous substance restrictions.
