S-90269A343 M12 ISO 7379 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 industrial environments and chemical exposure
- Enhanced durability and load-bearing capacity from Rockwell B79 hardness and 70,000 psi tensile strength
- Precise component alignment enabled by the 16mm shoulder diameter with tight tolerance control
- Secure installation and torque transmission through the 8mm hex socket drive and knurled head design
- Reliable thread engagement with Class 5g6g thread fit and coarse M12x1.75 thread pitch for quick assembly
- Extended service life supported by ISO 7379 manufacturing standards and compliance with RoHS 3/REACH regulations
- Versatile mounting solutions with 55mm shoulder length providing stable spacing for rotating parts
Professional Applications & Engineering Value
This M12 shoulder screw delivers critical performance in precision assemblies where alignment, corrosion resistance, and mechanical strength are paramount. Manufactured from 316 stainless steel, it withstands aggressive environments including marine, chemical processing, and food-grade applications. The 55mm shoulder length and 16mm shoulder diameter provide accurate positioning for bearings, gears, and linkages, eliminating the need for additional spacers. The coarse thread pitch ensures rapid installation in high-volume production, while the hex socket drive and knurled head prevent tool slippage during torque application. These precision shoulder bolts solve common engineering challenges including misalignment, component wear, and corrosion-induced failure in demanding industrial applications.
Specification Summary & Compliance
This shoulder screw maintains Class 5g6g thread fit per metric standards with shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm. Manufacturing conforms to ISO 7379 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring material safety and international acceptance for technical applications.
