S-92981A495 M12 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional durability and corrosion resistance with alloy steel construction and black oxide finish for reliable performance in demanding industrial environments.
• High mechanical strength offering 140,000 psi tensile strength and 84,000 psi minimum shear strength to withstand heavy loads and prevent failure.
• Precision alignment and secure component positioning thanks to the 20mm shoulder with controlled diameter and length tolerances for stable assemblies.
• Easy installation and removal with an 8mm hex socket drive, ensuring efficient maintenance and reducing assembly time.
• Reliable thread engagement provided by the M12x1.75 coarse right-hand thread with Class 5g6g fit, minimizing cross-threading risks.
• Consistent hardness and wear resistance with Rockwell C32 rating, ensuring long-term performance under repetitive stress.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing safety and regulatory adherence for global applications.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty equipment. The alloy steel core, enhanced by a black oxide finish, provides superior resistance to corrosion and wear, extending service life in harsh conditions. Its 20mm shoulder length and tight diameter tolerance ensure exact component alignment, reducing vibration and misalignment issues in assemblies like rotating shafts and linkages. The coarse metric thread (M12x1.75) with Class 5g6g fit allows for quick, secure fastening, ideal for high-stress applications where reliability is paramount. By integrating ISO 7379 specifications, this screw delivers consistent performance, minimizing downtime and maintenance costs in industrial settings such as automotive manufacturing and robotics.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high accuracy for fit-critical applications. The thread fit conforms to Class 5g6g per ISO metric standards, providing reliable engagement. It meets ISO 7379 for manufacturing consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental suitability for global use.