S-90270A660 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 18-8 stainless steel construction, ideal for harsh environments and extended service life
- Precise alignment and smooth rotation ensured by the 5mm shoulder diameter with tight manufacturing tolerances
- High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Reliable thread engagement with Class 6g metric coarse thread (0.7mm pitch) for secure fastening
- Easy installation and removal using standard socket or slotted drive tools
- Environmental compliance with RoHS 3 and REACH standards for safe use in regulated industries
- Versatile industrial use in machinery, assemblies, and precision equipment requiring accurate shaft positioning
Professional Applications & Engineering Value
This precision shoulder screw is engineered to solve critical alignment and wear issues in mechanical assemblies. The 18-8 stainless steel provides excellent corrosion resistance, reducing maintenance in humid or chemically aggressive environments. The 5mm shoulder diameter with precise tolerances acts as a dependable pivot or spacer, minimizing play and vibration in rotating parts like gears, pulleys, and linkages. With a Class 6g metric coarse thread and 70,000 psi tensile strength, it ensures robust fastening in high-stress applications while the socket/slotted drive allows for easy installation in confined spaces. Ideal for automation, automotive, and electronic enclosures where reliable shoulder screw performance is non-negotiable.
Specification Summary & Compliance
This M4 shoulder screw features a 0.7mm coarse pitch thread conforming to Class 6g tolerance for consistent fit. The shoulder diameter is manufactured to -0.025 to 0 mm tolerance with shoulder length held to 0 to 0.05 mm tolerance, ensuring precise assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial and consumer products requiring environmental safety.
