S-99607A313 M3.5 x 16 mm Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced manual grip and torque application with a fully knurled round head, eliminating the need for tools in frequent adjustments.
- Superior corrosion resistance and durability thanks to 18-8 Stainless Steel construction, ideal for harsh or washdown environments.
- Reliable, high-strength fastening with a tensile strength of 80,000 psi and Rockwell B85 hardness for demanding applications.
- Precise and secure thread engagement ensured by the Class 6g thread fit, reducing the risk of cross-threading and assembly errors.
- Stable seating and alignment provided by the integrated flared collar, distributing load and preventing screw head embedment.
- Broad industry compatibility with a standard M3.5x0.6 mm coarse, right-hand metric thread for easy integration.
- Safe for regulated environments as it is fully compliant with RoHS 3 and REACH environmental directives.
Professional Applications & Engineering Value
This M3.5 thumb screw is engineered to solve common assembly challenges where tool-less access, corrosion resistance, and repeated use are critical. The 18-8 Stainless Steel material provides excellent resistance to rust and oxidation, making it a durable choice for industrial equipment, electronic enclosures, and medical devices exposed to moisture or chemicals. The knurled head offers a non-slip surface for secure manual tightening, speeding up assembly and maintenance cycles. Combined with the flared collar design, it ensures a stable fit that resists loosening under vibration, providing long-term reliability in dynamic operational settings.
Specification Summary & Compliance
This metric thumb screw features an M3.5x0.6 mm coarse thread with a Class 6g tolerance for precision fit. It is fully threaded, measures 16 mm in length, and includes a flared collar (7 mm diameter, 4 mm height). The product is manufactured to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets stringent environmental and safety standards for global supply chains.
