S-90782A137 M12 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Black Oxide finish provides superior protection against rust and wear in demanding industrial environments.
• High Tensile Strength for Demanding Loads: Alloy steel construction with a 140,000 psi tensile strength ensures reliable performance under high-stress applications.
• Precise Shoulder for Accurate Alignment: 12mm shoulder diameter with tight tolerances guarantees consistent component positioning and reduces assembly errors.
• Secure & Non-Slip Fastening: Knurled head texture and hex socket drive offer excellent grip, preventing tool slippage during installation.
• Robust Thread Integrity: Class 6g thread fit and coarse 1.75mm pitch provide strong, reliable engagement and resistance to vibration loosening.
• Compliance with Global Standards: Meets RoHS 3 and REACH regulations, ensuring safety and environmental responsibility for international projects.
• Optimized for Industrial Use: Rockwell C32 hardness and right-hand metric thread design deliver long-lasting performance in machinery and equipment.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The alloy steel core, hardened to Rockwell C32, resists deformation under heavy loads, while the Black Oxide finish combats corrosion in humid or abrasive settings. The precisely machined 12mm shoulder with minimal diameter tolerance ensures components like bearings, gears, or linkages are accurately positioned, reducing wear and misalignment. The coarse metric thread (M12x1.75) and Class 6g fit enable quick, secure fastening in high-vibration environments, such as automotive jigs or conveyor systems. Its hex socket drive and knurled head facilitate easy installation with standard tools, minimizing downtime. Ideal for precision machinery, this shoulder screw enhances operational reliability and extends equipment lifespan.

Specification Summary & Compliance

This shoulder screw adheres to metric (M12x1.75) threading standards with a Class 6g thread fit for consistent engagement. Shoulder diameter tolerance is tightly controlled at -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring precise assembly. Manufactured from alloy steel with a Black Oxide finish, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for regulated industrial and export applications.