S-90269A229 M4 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced assembly precision with Class 5g6g thread fit and controlled shoulder diameter tolerance for accurate component alignment
- High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under load
- Secure, slip-resistant installation thanks to the knurled head texture and 2.5 mm hex socket drive
- Durable, long-lasting performance with Rockwell B79 hardness resisting wear and deformation
- Broad regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Optimized for automated assembly with consistent 40mm shoulder length and standard right-hand coarse thread
Professional Applications & Engineering Value
This M4 shoulder screw in 316 stainless steel is engineered to address critical alignment and corrosion challenges in precision assemblies. The 40mm shoulder length provides a precise pivot or spacer, eliminating misalignment in rotating parts like gears, pulleys, and linkages. The hex socket drive and knurled head ensure secure tool engagement, reducing installation errors in high-vibration environments. With its coarse M4 x 0.7mm thread and Class 5g6g fit, it offers quick, reliable fastening in machinery, automotive, and marine applications where corrosion resistance and dimensional stability are paramount. This screw delivers consistent performance in demanding conditions, reducing maintenance and replacement costs.
Specification Summary & Compliance
This metric shoulder screw features M4 x 0.7mm coarse threads with Class 5g6g thread fit, ensuring precise engagement. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm for accurate assembly. Manufactured to industry standards, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
