S-92981A811 M10 ASTM A108 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 Applications – 140,000 psi tensile strength ensures reliable performance under heavy loads and vibrations.
• Precision Shoulder for Accurate Alignment – 40mm shoulder with tight tolerances maintains exact positioning in assemblies, reducing misalignment issues.
• Secure & Easy Installation – Knurled socket head with 6mm hex drive offers improved grip and torque application, minimizing slippage during assembly.
• Consistent Thread Performance – Class 5g6g metric coarse threads ensure smooth engagement and reliable fastening in high-vibration settings.
• Material Reliability – Alloy steel construction with Rockwell C32 hardness delivers long-lasting strength and resistance to deformation.
• Compliance with Industry Standards – Meets ASTM A108 specifications and is RoHS 3/REACH compliant for safe, regulated use in global markets.

Professional Applications & Engineering Value

This M10 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The alloy steel material, combined with a black oxide finish, provides exceptional resistance to corrosion and mechanical stress, making it ideal for industrial machinery, automotive systems, and precision equipment. The precisely machined 40mm shoulder with controlled diameter and length tolerances ensures accurate component positioning, reducing wear and maintenance needs. The coarse thread pitch and Class 5g6g thread fit facilitate quick, secure fastening even in high-vibration environments, while the knurled socket head enhances tool engagement for efficient installation. By integrating robust materials and exacting tolerances, this shoulder screw delivers reliable performance in applications where precision and strength are non-negotiable.

Specification Summary & Compliance

This shoulder screw features a metric M10x1.5 coarse thread with Class 5g6g tolerance, ensuring precise thread engagement. The shoulder diameter is maintained at 13mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 40mm with a 0 to 0.25 mm tolerance for consistent fit. Manufactured in compliance with ASTM A108 standards, it also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for regulated industrial and international applications.