S-90269A954 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 with 316 stainless steel construction and black oxide finish, ideal for harsh environments and extended service life.
- High mechanical strength and reliability offering 70,000 psi tensile strength and 35,000 psi shear strength for heavy-duty applications.
- Precise alignment and secure positioning enabled by the 36 mm shoulder diameter with tight tolerance and 100 mm shoulder length.
- Easy installation and removal with a 17 mm hex drive and knurled head for improved grip and torque application.
- Accurate and durable threading with Class 5g6g fit and coarse 3.5 mm pitch, ensuring consistent performance and reduced wear.
- Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.
- Enhanced durability from Rockwell B79 hardness, providing excellent resistance to deformation under load.
Professional Applications & Engineering Value
This M33 shoulder screw is engineered to address critical challenges in industrial settings, such as misalignment and component wear. Made from 316 stainless steel with a black oxide finish, it offers exceptional corrosion resistance, making it suitable for machinery, automotive assemblies, and marine equipment exposed to moisture and chemicals. The knurled head and hex drive facilitate secure handling, while the precise shoulder diameter and length ensure accurate pivoting and spacing in linkages, bearings, and rotating parts. By combining high tensile and shear strength with ISO 7379 compliance, this fastener reduces maintenance needs and enhances operational reliability in demanding applications.
Specification Summary & Compliance
The screw features a metric thread with M33 size, 3.5 mm pitch, and Class 5g6g thread fit for precise tolerance. Shoulder dimensions include a 36 mm diameter with -0.072 to -0.01 mm tolerance and 100 mm length with 0 to 0.25 mm tolerance, ensuring accurate assembly. It meets ISO 7379 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety standards in industrial use.
