S-90269A953 M33 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 from 316 stainless steel and black oxide finish, ideal for harsh environments and extended service life.
- Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high stress.
- Precise alignment and smooth rotation ensured by the precisely machined 36mm shoulder with tight diameter tolerance.
- Secure, non-slip installation provided by the knurled head and 17mm hex drive for high-torque applications.
- Robust thread engagement with Class 5g6g fit and coarse M33x3.5mm thread for quick assembly and strong holding power.
- Guaranteed dimensional consistency and interchangeability through compliance with the ISO 7379 international standard.
- Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives.
Professional Applications & Engineering Value
This M33 shoulder screw is engineered to solve critical alignment and durability challenges in demanding assemblies. The 316 stainless steel core provides outstanding resistance to chemicals and moisture, while the black oxide finish adds an extra layer of protection against corrosion and galling. The precisely ground shoulder diameter of 36mm acts as a pivot or shaft, ensuring accurate component positioning and reducing wear in machinery, conveyor systems, and precision instruments. The coarse metric thread (3.5mm pitch) and Class 5g6g thread fit allow for rapid installation and high clamp load retention, making it a reliable choice for high-vibration environments and heavy-duty industrial equipment where failure is not an option.
Specification Summary & Compliance
This shoulder screw features a Class 5g6g thread fit with a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high dimensional accuracy. It is manufactured to meet ISO 7379 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing its suitability for use in environmentally conscious and regulated industrial markets.
