S-92981A946 M1.6 ASTM A108 Shoulder Screws
Shoulder 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 black oxide finish, ideal for humid or demanding industrial environments.
- Exceptional durability and strength from alloy steel construction and Rockwell C32 hardness, ensuring long service life under mechanical stress.
- Precise alignment and secure positioning due to the 12mm shoulder length with tight tolerances, minimizing assembly play.
- Easy installation and removal with hex socket drive (1.5mm), allowing efficient tool engagement in confined spaces.
- Reliable thread performance with Class 5g6g fit and coarse 0.35mm pitch, providing secure fastening and vibration resistance.
- Broad compatibility with metric M1.6 coarse threading, suitable for standardized industrial equipment and components.
- Compliance with global standards including ASTM A108, RoHS 3, and REACH, ensuring safety and environmental responsibility.
Professional Applications & Engineering Value
This M1.6 shoulder screw is engineered to address critical challenges in precision assemblies, such as minimizing misalignment and wear in rotating parts. The alloy steel material with Rockwell C32 hardness offers excellent fatigue resistance, while the black oxide finish enhances corrosion protection without adding significant thickness, maintaining dimensional accuracy. The 12mm shoulder length with controlled tolerances ensures consistent spacing and pivot points in machinery, automotive, and electronics applications. Its hex socket drive and right-hand coarse thread facilitate quick installation in tight spaces, reducing assembly time and improving maintenance efficiency for industrial fasteners.
Specification Summary & Compliance
This metric shoulder screw adheres to precise dimensional standards, including Class 5g6g thread fit for reliable engagement and shoulder diameter tolerance of -0.072 to -0.01 mm. It meets ASTM A108 specifications for material quality, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
