S-90269A453 M1.6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Enhanced durability and wear resistance from the black oxide finish, providing added protection against abrasion and galling.
• Precise and secure assembly ensured by the Class 5g6g thread fit, minimizing the risk of loosening under vibration.
• High-strength performance with 70,000 psi tensile and 35,000 psi shear strength, reliably handling significant mechanical loads.
• Easy installation and removal facilitated by the hex socket drive and 2 mm drive size, allowing for efficient tool engagement.
• Improved grip and handling due to the knurled head texture, reducing slippage during manual or automated installation.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered to address critical challenges in precision assemblies where alignment, spacing, and corrosion resistance are paramount. The 316 stainless steel material offers exceptional resistance to chemicals and moisture, making it ideal for medical devices, electronics, and marine applications. The coarse thread pitch of 0.35mm and Class 5g6g thread fit provide reliable fastening in soft materials or where rapid assembly is required, reducing the risk of cross-threading. Combined with a black oxide finish, it minimizes friction and wear, extending the life of moving parts in machinery. The integral shoulder acts as a precise spacer or pivot, eliminating the need for additional components and simplifying design in compact, high-precision industrial equipment.

Specification Summary & Compliance

This shoulder screw features a metric M1.6 x 0.35mm coarse thread with a Class 5g6g thread fit for precise dimensional accuracy. The shoulder diameter is 3 mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 8 mm with a 0 to 0.25 mm tolerance, ensuring consistent performance. Manufactured from 316 stainless steel with a Rockwell B79 hardness, it meets industry standards for mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements for industrial use.