S-97568A628 3/8"-16 x 1 1/2" 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
- Easy hand-tightening and removal with a wide 1 13/16" wing head, eliminating the need for tools in frequent adjustment applications.
- Superior corrosion resistance provided by the zinc plating on an iron base, extending the screw's service life in various industrial environments.
- Quick and reliable assembly thanks to the coarse 3/8"-16 UNC thread and Class 2A fit, ensuring smooth engagement and a secure hold.
- Maximum thread engagement and holding power from being fully threaded along the entire 1 1/2" length.
- Consistent dimensional accuracy with a tightly controlled head diameter tolerance, guaranteeing a uniform fit and performance.
- Compliance with major environmental regulations (RoHS 3 & REACH), making it suitable for use in regulated industries and global supply chains.
Professional Applications & Engineering Value
This zinc-plated iron thumb screw is engineered to solve common challenges in maintenance, panel access, and machinery adjustment. The wing-shaped head design offers an exceptional grip for hand-tightening, significantly speeding up assembly and disassembly cycles where tools are impractical. The 3/8"-16 UNC coarse thread and Class 2A fit provide rapid installation with reliable resistance to vibration loosening, making it ideal for securing access panels, jigs, and fixtures. The robust iron construction with zinc plating delivers dependable durability against rust and corrosion, ensuring long-term performance in demanding industrial, electrical, and OEM equipment applications without compromising on regulatory compliance.
Specification Summary & Compliance
This thumb screw features a right-hand 3/8"-16 UNC coarse thread with a Class 2A thread fit for standard tolerance and easy assembly. The head diameter is manufactured to a precise tolerance of -0.0156" to 0.0156". It is fully threaded and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted hazardous substances for global industrial use.
