S-91294A452 M16 x 50 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws
Alloy 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
- Exceptional durability with Class 10.9 alloy steel providing 120,000 psi tensile strength for reliable performance in demanding applications.
- Superior corrosion resistance from the black-oxide coating, extending service life in harsh industrial environments.
- Precise flush mounting enabled by the standard flat head and 90° countersink angle for secure, unobtrusive installations.
- High torque application capability with the 10 mm hex drive, ensuring easy installation and removal without stripping.
- Consistent thread engagement due to Class 6g fit and coarse 2 mm pitch, reducing cross-threading risks and speeding assembly.
- Full thread coverage along the 50 mm length for maximum grip and load distribution in thick materials.
- Regulatory compliance assurance with RoHS 3 and REACH, meeting international environmental and safety standards.
Professional Applications & Engineering Value
This M16 flat head screw is engineered to address critical fastening challenges in heavy machinery, structural frameworks, and automotive assemblies. The Class 10.9 alloy steel construction delivers high tensile strength and Rockwell C32 hardness, preventing failure under dynamic loads and vibration. Its black-oxide surface treatment provides a protective layer against rust and wear, ideal for outdoor or humid conditions. The fully threaded design with coarse metric threading ensures rapid installation and robust holding power in metals and composites, while the flat head profile allows for seamless integration where protrusions are unacceptable. Complying with DIN 7991/ISO 10642, it guarantees dimensional accuracy and interoperability in global engineering projects, reducing downtime and maintenance costs.
Specification Summary & Compliance
This fastener features M16x2 mm coarse threads with a Class 6g tolerance for precise fit, and is manufactured to DIN 7991 (equivalent to ISO 10642) standards. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring adherence to environmental and health regulations. The Class 10.9 strength grade and specified dimensions—50 mm length, 30 mm head diameter, and 7.5 mm head height—confirm consistency for industrial use.
