S-92625A128 1/2"-13 x 2" Thumb Screws

Thumb Screws

0793FA00021 Thumb Screws
0793FA00021 Thumb Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0793FA00021
Equivalent to mcmaster :
92625A128

Basic Information

System of Measurement Inch

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Wing
Head Diameter 3/4"
Head Diameter Tolerance -0.0156" to 0.0156"
Head Width 2 1/4"
Head Height 1"

Dimensions

Length 2"

Thread Parameters

Thread Type UNC
Thread Size 1/2"-13
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Material & Strength

Material 18-8 Stainless Steel
Hardness Not Rated

Temperature & Environment

REACH Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Easy hand-tightening operation with a large 2 1/4" wing head design, eliminating the need for tools in frequent adjustment applications.
  • Superior corrosion resistance provided by 18-8 Stainless Steel material, ensuring long-term reliability in various industrial environments.
  • Excellent grip and holding power from the 1/2"-13 UNC coarse threads, designed for quick assembly and disassembly in heavy-duty uses.
  • Precise and reliable thread engagement with Class 2A thread fit, reducing cross-threading risks and ensuring consistent performance.
  • Full-length threading for maximum fastening versatility along the entire 2" length, accommodating a wide range of material thicknesses.
  • Compliance with environmental standards as it is REACH compliant, meeting strict regulations for safe use in industrial settings.
  • Durable and wear-resistant construction due to the sturdy wing head and right-hand thread direction, built for repeated manual use without degradation.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Thumb Screw is engineered to address common challenges in industrial assembly, such as the need for quick, tool-free adjustments and corrosion resistance. The wing head design and coarse UNC threads enable high torque application by hand, reducing assembly time and minimizing the risk of stripped threads in materials like metal panels, machinery guards, and electronic enclosures. Its fully threaded shank and Class 2A thread fit ensure secure fastening in vibration-prone environments, while the REACH compliance makes it suitable for regulated industries, enhancing both efficiency and safety in maintenance and manufacturing workflows.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy and easy assembly. Key specifications include a thread size of 1/2"-13, coarse thread spacing, right-hand thread direction, and a head diameter tolerance of -0.0156" to 0.0156". It is manufactured from 18-8 Stainless Steel and is fully threaded for consistent performance. Compliant with REACH (EC 1907/2006) regulations, it meets environmental and safety standards for industrial use.

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