S-90782A139 M12 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black oxide finish, extending service life in demanding industrial environments
• High-strength alloy steel construction provides 140,000 psi tensile strength for reliable performance under heavy loads
• Precision Class 6g thread fit ensures smooth assembly and secure fastening in metric applications
• Knurled head design offers enhanced grip during manual installation and adjustment
• Hex socket drive compatibility with standard 6mm tools for quick, secure installation
• 20mm shoulder length with tight tolerances maintains precise component alignment in machinery and assemblies
• Rockwell C32 hardness delivers excellent wear resistance and durability

Professional Applications & Engineering Value

This M12 shoulder screw with 1.75mm coarse pitch thread is engineered to solve critical alignment and positioning challenges in industrial machinery. The alloy steel construction combined with black oxide finish provides exceptional corrosion resistance in harsh operating conditions, while the 20mm shoulder length with precise tolerances ensures accurate component spacing and rotational stability. The hex socket drive and knurled head facilitate easy installation in confined spaces, making it ideal for precision equipment, automation systems, and manufacturing fixtures where reliable alignment and high tensile strength are paramount.

Specification Summary & Compliance

This metric shoulder screw features Class 6g thread fit with M12x1.75 coarse pitch dimensions, ensuring compatibility with standard metric components. Shoulder diameter tolerance maintains -0.072 to -0.01 mm precision, while shoulder length tolerance is controlled within 0 to 0.25 mm. Manufactured to industrial standards with Rockwell C32 hardness and 140,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.