S-95942A112 M3 x 8 mm Left-Hand-Thread Stainless Steel Button Head Hex-Drive Screws
Left-Hand-Thread Stainless Steel Button Head Hex-Drive 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 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- Secure, non-slip fastening provided by the 2mm hex drive, ensuring easy installation and high torque transmission.
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for demanding applications.
- Reliable reverse-threading operation with left-hand metric threads, designed for specific assemblies requiring counter-clockwise tightening.
- Optimized thread engagement through the Class 6g fit and coarse 0.5mm pitch, facilitating quick assembly and vibration resistance.
- Low-profile, rounded button head design that minimizes protrusion, reduces snagging risks, and offers a finished appearance.
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable usage.
Professional Applications & Engineering Value
This M3 left-hand metric screw is engineered to address critical challenges in precision assemblies where reverse threading is essential, such as in rotating machinery, safety mechanisms, and specialized equipment. The 18-8 stainless steel material provides excellent resistance to oxidation and corrosion, extending service life in industrial settings. Its fully threaded design with a coarse 0.5mm pitch ensures rapid installation and robust holding power, while the hex drive allows for high-torque application without stripping. The button head offers a sleek, low-profile finish that reduces clearance issues, making it ideal for compact spaces and applications requiring a smooth surface. These features collectively enhance operational safety, reduce maintenance needs, and support efficient production workflows.
Specification Summary & Compliance
This screw adheres to precise dimensional standards with a Class 6g thread fit and metric coarse threading (M3 x 0.5mm pitch). It is fully threaded and measures 8mm in length, with a head diameter of 5.7mm. Manufactured from 18-8 stainless steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
