S-91273A372 M4 Shoulder Screws
Shoulder Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- High-strength performance with 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable load-bearing
- Precise alignment and spacing enabled by the 20mm shoulder with tight diameter tolerance for consistent assembly fit
- Secure, non-slip installation thanks to the hex socket drive and knurled head texture for enhanced grip
- Wide compatibility with Class 5g6g thread fit and M4 x 0.7mm coarse pitch for quick assembly in various metric applications
- Durable material hardness rated at Rockwell B55, ensuring long-term wear resistance and reduced maintenance
- Environmental compliance meeting RoHS 3 and REACH standards for safe, sustainable use in regulated industries
Professional Applications & Engineering Value
This M4 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 20mm shoulder length provides a stable pivot or spacer, eliminating misalignment in machinery, robotics, and electronic enclosures. Made from 18-8 stainless steel, it resists rust and chemical exposure, extending service life in demanding conditions like automotive or outdoor equipment. The hex socket drive and knurled head ensure secure torque application, reducing slippage during installation. With a coarse thread pitch and Class 5g6g thread fit, it offers quick fastening and reliable performance in high-vibration environments, making it a trusted choice for engineers seeking efficiency and reliability.
Specification Summary & Compliance
This shoulder screw features a Class 5g6g thread fit per metric standards, with a shoulder diameter tolerance of -0.04 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm for precise dimensional control. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.
