S-99607A317 M8 x 40 mm Thumb Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with 18-8 stainless steel construction, ideal for humid or chemical environments
• Superior hand-tightening grip thanks to the precision knurled round head and flared collar design
• Reliable mechanical performance with Rockwell B85 hardness and 80,000 psi tensile strength for demanding applications
• Quick and easy installation with fully threaded M8 x 1.25 mm coarse thread and Class 6g fit
• Durable, long-lasting use in industrial settings with compliance to RoHS 3 and REACH regulations
• Versatile metric sizing (40mm length) ensuring compatibility with standard equipment and components

Professional Applications & Engineering Value

This M8 thumb screw is engineered to address common assembly challenges where tool-free operation and frequent adjustments are required. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for outdoor, marine, or washdown environments. The knurled round head with a flared collar offers a secure, non-slip grip even with oily or gloved hands, reducing installation time and improving operator safety. With a coarse thread and Class 6g thread fit, it ensures quick engagement and reliable holding power in panels, fixtures, and machinery components. Its fully threaded 40mm length allows for consistent clamping force across various material thicknesses, providing dependable performance in industrial maintenance, electronics enclosures, and automotive assemblies.

Specification Summary & Compliance

This thumb screw features a metric M8 x 1.25 mm coarse thread with Class 6g thread fit for standard tolerance and easy assembly. It is manufactured from 18-8 stainless steel, fully threaded, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances and suitable for regulated industrial and commercial applications.