S-92981A803 M10 ASTM A108 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Durability & Corrosion Resistance: Alloy steel construction with black oxide finish provides superior strength and protection against rust, extending service life in demanding environments.
• Precise Component Alignment & Reduced Wear: The 8mm precision shoulder with controlled diameter tolerance ensures accurate part location and minimizes wear on mating components.
• High Tensile Strength for Demanding Loads: With a 140,000 psi tensile strength and Rockwell C32 hardness, this screw reliably withstands high-stress applications without failure.
• Secure & Efficient Installation: The hex socket (6mm drive) and knurled head offer excellent grip for easy, high-torque installation and prevent tool slippage.
• Reliable Thread Engagement & Interchangeability: M10x1.5 coarse threads with a Class 5g6g fit ensure consistent, secure fastening and compatibility with standard metric nuts and tapped holes.
• Compliance with Rigorous Industry Standards: Manufactured to meet ASTM A108 specifications, guaranteeing material quality and performance consistency for professional use.
• Environmentally Conscious Manufacturing: Compliant with RoHS 3 and REACH regulations, making it a safe and responsible choice for global supply chains.

Professional Applications & Engineering Value

This M10 shoulder screw is engineered to solve critical alignment and pivot point challenges in precision industrial applications. The alloy steel core and black oxide finish provide the necessary high tensile strength and corrosion resistance for machinery, automotive assemblies, and jigs where exposure to stress and environmental factors is common. The integral precision shoulder acts as a fixed bearing surface or datum, eliminating the need for separate spacers and reducing assembly complexity. This design prevents axial movement and misalignment, ensuring smooth rotational movement in linkages, pivots, and guide mechanisms. The hex socket drive and coarse thread (M10x1.5) facilitate quick and secure installation in high-vibration environments, making it an indispensable component for maintaining long-term operational accuracy and reducing maintenance downtime.

Specification Summary & Compliance

This metric shoulder screw features a thread size of M10x1.5 with a Class 5g6g thread fit for standard tolerance. The shoulder diameter is 13 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 8 mm with a tolerance of 0 to 0.25 mm, ensuring precise dimensional control. It is manufactured in compliance with the ASTM A108 standard and is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant.