S-99607A272 M3 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
- Enhanced grip and tool-free operation with knurled round head design for quick manual adjustments in tight spaces
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for humid or demanding industrial environments
- Reliable thread engagement with Class 6g metric coarse threading ensuring consistent fit and reduced cross-threading risks
- Increased load distribution thanks to the flared collar design, minimizing surface damage during repeated use
- High mechanical durability with Rockwell B85 hardness and 80,000 psi tensile strength for long-term performance under stress
- Full-length threading provides maximum holding power along the entire 12mm length for secure fastening
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries
Professional Applications & Engineering Value
This M3 thumb screw delivers exceptional value in applications requiring frequent adjustments without tools, such as electronic enclosures, machinery panels, and laboratory equipment. The 18-8 stainless steel offers excellent resistance to oxidation and chemicals, reducing maintenance in harsh conditions. The knurled head and flared collar work together to prevent slipping and distribute clamping force evenly, protecting sensitive surfaces. With a coarse thread pitch of 0.5 mm and Class 6g thread fit, it ensures rapid installation and reliable performance in vibration-prone settings, making it a go-to metric fastener for engineers prioritizing efficiency and durability.
Specification Summary & Compliance
This thumb screw adheres to metric thread standards with M3 x 0.5 mm coarse pitch and Class 6g thread tolerance for precise fit. It is manufactured from 18-8 stainless steel and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of restricted hazardous substances. The fully threaded, right-hand design with a 12 mm length provides consistent fastening performance across industrial applications.
