S-99607A312 M3.5 x 12 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
- Tool-free installation and removal with a knurled thumb head for superior manual grip in tight spaces.
- Exceptional corrosion resistance from 18-8 Stainless Steel, ensuring long-term reliability in harsh environments.
- High mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for demanding applications.
- Secure and precise fit with a Class 6g thread tolerance, providing reliable fastening in metric assemblies.
- Full-length threading for maximum engagement and holding power along the entire 12 mm length.
- Stable seating provided by the flared collar design, which helps prevent over-tightening and surface damage.
- Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe and responsible manufacturing.
Professional Applications & Engineering Value
This M3.5 x 0.6 mm metric thumb screw is engineered for applications where frequent adjustments and reliable access are critical. The 18-8 Stainless Steel construction provides excellent resistance to rust and corrosion, making it ideal for use in electronics, medical devices, and outdoor equipment. The knurled head texture offers a non-slip surface, allowing for secure hand-tightening without the need for tools, which speeds up maintenance and reduces the risk of stripped fasteners. The fully threaded right-hand design with a Class 6g fit ensures consistent performance in precision assemblies, while the flared collar distributes clamping force evenly, protecting sensitive components from damage. This combination of features solves common industrial pain points related to assembly time, durability, and component safety.
Specification Summary & Compliance
This thumb screw features an M3.5 x 0.6 mm coarse metric thread with a Class 6g tolerance for precise fit. It is manufactured from 18-8 Stainless Steel, is fully threaded, and has a right-hand thread direction. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.
