S-91280A121 M3 x 25 mm ISO 4017, DIN 933 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex 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
- High tensile strength of 110,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc plating provides excellent corrosion resistance, extending service life in various industrial environments.
- Class 8.8 strength grade offers superior durability and load-bearing capacity for heavy-duty assemblies.
- Fully threaded design allows for maximum grip and uniform stress distribution along the entire length.
- Coarse M3 x 0.5mm thread with Class 6h fit enables quick installation and secure fastening in a wide range of materials.
- External hex drive and hex head facilitate easy tightening with standard tools, improving assembly efficiency.
- Compliance with ISO 4017, RoHS 3, and REACH ensures adherence to international quality and environmental standards.
Professional Applications & Engineering Value
This M3 hex head screw is engineered from Class 8.8 steel to deliver exceptional mechanical properties, making it ideal for industrial fastening in machinery, automotive, and construction sectors. The fully threaded metric screw with a coarse 0.5mm pitch ensures rapid assembly and robust holding power, while the zinc plated finish combats corrosion in harsh conditions. Its external hex drive allows for high torque application without slippage, enhancing operational safety and reducing maintenance needs. By meeting ISO 4017 specifications, it guarantees dimensional accuracy and interchangeability, streamlining procurement and inventory management for B2B buyers.
Specification Summary & Compliance
This fastener features a metric M3 thread with a 0.5mm coarse pitch and Class 6h thread fit for precise engagement. It complies with ISO 4017 (equivalent to DIN 933) for dimensional standards, ensuring consistent quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations without hazardous substances.
