S-91273A472 M12 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 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
- Precise alignment and smooth rotation enabled by the 40mm shoulder length with tight diameter tolerance
- Secure, non-slip installation thanks to the knurled hex socket head and 6mm drive for improved torque application
- Consistent thread engagement with Class 5g6g metric coarse thread (M12x1.75) ensuring reliable fastening
- Reduced assembly time with coarse pitch threading for quicker installation in industrial applications
- Environmental and safety compliance meeting RoHS 3 and REACH standards for responsible manufacturing
Professional Applications & Engineering Value
This M12 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for machinery, automotive, and electronics exposed to moisture or chemicals. The 40mm shoulder length acts as a precise pivot or spacer, reducing wear on moving parts and maintaining component alignment. Combined with the Class 5g6g thread fit and coarse pitch, it ensures quick, secure fastening even in high-vibration environments. The knurled hex socket head enhances grip during installation, preventing tool slippage and improving operator efficiency in automated or manual assembly lines.
Specification Summary & Compliance
This shoulder screw features a metric M12x1.75 coarse thread with Class 5g6g thread fit for standardized compatibility. The shoulder diameter is 12 mm with a tolerance of -0.04 to -0.01 mm, and shoulder length is 40 mm with a 0 to 0.25 mm tolerance, ensuring precise dimensional control. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing the absence of restricted hazardous substances for safe use in global markets.
