S-95536A231 M3.5 x 17.5 mm ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with 18-8 stainless steel construction, ideal for demanding industrial environments.
• Superior manual grip and torque application thanks to the knurled round thumb head design.
• Quick and easy installation with coarse thread spacing for faster assembly in panel applications.
• Reliable partial threading provides secure fastening while simplifying alignment during panel mounting.
• Durable and compliant performance meeting ASTM A581 specifications for consistent quality and strength.
• Safe for sensitive applications with full compliance to RoHS 3 and REACH environmental regulations.
• Versatile metric sizing (M3.5x0.6) ensures broad compatibility with standard industrial equipment and panels.

Professional Applications & Engineering Value

This M3.5 thumb screw is engineered from 18-8 stainless steel to combat corrosion and wear in harsh conditions, making it a dependable choice for captive panel screw applications. The knurled head offers exceptional manual control, reducing tool dependency and speeding up maintenance or assembly processes in electronics, machinery, and communication panels. Its partially threaded and coarse thread design ensures secure engagement without cross-threading, addressing common installation challenges. By providing a robust, RoHS and REACH compliant solution, it supports long-term reliability and regulatory adherence in industrial fastening systems.

Specification Summary & Compliance

This metric thumb screw features an M3.5 x 0.6 mm thread with coarse spacing and a right-hand thread direction, ensuring precise fit in standard panel mounting setups. Manufactured to meet ASTM A581 specifications, it guarantees dimensional accuracy and material integrity. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), affirming its safety and environmental standards for global industrial use.