S-99607A311 M3.5 x 10 mm Thumb Screws

Key Features & Benefits at a Glance

• Tool-free installation and adjustment with a knurled round head for superior manual grip in tight spaces
• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh or washdown environments
• High mechanical strength and durability with 80,000 psi tensile strength and Rockwell B85 hardness for reliable, long-term performance
• Secure and stable fastening due to the flared collar design that resists counter-sinking and distributes load effectively
• Precise and reliable thread engagement with a Class 6g metric coarse thread (M3.5 x 0.6 mm) ensuring consistent fit
• Maximum holding power from a fully threaded 10 mm length, providing complete engagement along the fastener
• Compliance with major environmental regulations including RoHS 3 and REACH, making them suitable for regulated industries

Professional Applications & Engineering Value

This M3.5 thumb screw is engineered to solve critical challenges in industrial assembly and maintenance. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, which is vital for equipment in manufacturing, electronics, and outdoor applications exposed to moisture. The knurled head and flared collar design offer a secure, non-slip grip, enabling quick and tool-less adjustments even with gloved hands, which enhances operator efficiency and reduces assembly time. The fully threaded body and Class 6g thread fit ensure a precise, vibration-resistant connection, preventing loosening in dynamic environments. This makes the screw an ideal industrial fastening solution for access panels, machine guards, and frequently disassembled components.

Specification Summary & Compliance

This thumb screw conforms to Metric (M3.5 x 0.6 mm) threading standards with a Class 6g thread fit for consistent dimensional accuracy. It is fully threaded with a right-hand thread direction. The product is manufactured to be fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for hazardous substances.