S-92981A747 M4 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• High tensile strength of 140,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• Durable black oxide finish provides corrosion resistance and a sleek appearance, extending service life in various industrial environments.
• Precision Class 5g6g thread fit guarantees smooth assembly and secure fastening, minimizing production delays and rework.
• Knurled socket head with 2.5 mm hex drive offers superior grip and torque transmission, preventing tool slippage during installation.
• Alloy steel construction with Rockwell C32 hardness delivers excellent wear resistance and durability under high-stress conditions.
• ISO 7379 compliance and environmental standards (RoHS 3, REACH) ensure global regulatory adherence, facilitating seamless integration into international supply chains.
• Shoulder design with controlled diameter and length tolerances enables precise component alignment and rotational stability in machinery assemblies.

Professional Applications & Engineering Value

These M4 shoulder screws are engineered to address critical alignment and load-bearing challenges in industrial equipment. The alloy steel material, combined with a black oxide finish, resists corrosion and wear in harsh environments like automotive assemblies and precision machinery. The coarse pitch metric thread and Class 5g6g fit ensure quick, secure fastening without cross-threading, reducing installation time and maintenance costs. The integrated shoulder provides a stable bearing surface for rotating parts, preventing misalignment and extending component life. Ideal for use in jigs, fixtures, and conveyor systems, these screws offer reliable shear strength (84,000 psi minimum) to withstand dynamic loads, making them a trusted solution for B2B technical applications requiring durability and precision.

Specification Summary & Compliance

This M4x0.7 shoulder screw features a Class 5g6g thread fit per ISO standards, with shoulder diameter tolerance of -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm for precise engineering. Manufactured in compliance with ISO 7379 specifications, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global industrial markets.