S-90269A949 M33 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and Black Oxide finish, ideal for harsh industrial environments.
• Enhanced grip and torque application thanks to the knurled head and 17mm hex drive, reducing slippage during installation.
• High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
• Precise alignment and spacing enabled by the 70mm shoulder length with tight tolerance, ensuring stable component positioning.
• Reliable thread engagement through Class 5g6g fit and coarse M33x3.5 thread, offering quick assembly and vibration resistance.
• Durable performance backed by Rockwell B79 hardness, maintaining integrity under repetitive stress.
• Broad compliance assurance meeting ISO 7379, RoHS 3, and REACH standards for safe, global industrial use.

Professional Applications & Engineering Value

This M33 shoulder screw is engineered to address critical challenges in heavy-duty industrial applications, such as machinery assembly, automotive systems, and precision equipment. Made from 316 Stainless Steel with a Black Oxide finish, it resists corrosion from chemicals, moisture, and high temperatures, extending service life in aggressive settings. The knurled head design and hex drive provide secure handling, minimizing installation errors and enhancing torque transfer. With a 70mm shoulder length and 40mm thread length, it ensures accurate alignment and robust fastening in linkages, pivots, and rotating parts, reducing wear and maintenance downtime. Ideal for precision engineering where metric thread standards and high strength are paramount, this screw delivers consistent performance under dynamic loads.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a shoulder diameter of 36 mm with tolerance -0.072 to -0.01 mm and shoulder length of 70 mm with tolerance 0 to 0.25 mm, ensuring Class 5g6g thread fit for reliable assembly. It adheres to ISO 7379 manufacturing standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity for industrial use.