S-91185A261 6-32 x 3/8" Thumb Screws

Thumb Screws

0773FA00008 Thumb Screws
0773FA00008 Thumb Screws

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

Part No.
Part No. 0773FA00008
Equivalent to mcmaster :
91185A261

Basic Information

System of Measurement Inch

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Low
Head Diameter 3/8"
Head Height 3/16"
Head Texture Knurled
Head Material Acetal Plastic
Head Temperature Range 32° to 180° F

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Material & Strength

Material 18-8 Stainless Steel
Hardness Not Rated

Temperature & Environment

REACH Compliant
RoHS 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

  • Enhanced grip and comfort with the Acetal Plastic knurled head, reducing hand fatigue during repeated adjustments
  • Superior corrosion resistance from 18-8 Stainless Steel construction, ideal for humid or demanding environments
  • Precise and secure fastening with Class 3A thread fit, ensuring reliable engagement and vibration resistance
  • Quick manual operation thanks to the low-profile round head and coarse UNC threads, speeding up assembly and disassembly
  • Durability in moderate temperatures with a head temperature range of 32° to 180° F, suitable for various indoor applications
  • Full threading for maximum adjustability, allowing consistent holding power along the entire 3/8" length
  • Environmental compliance assurance meeting RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices

Professional Applications & Engineering Value

This 6-32 UNC thumb screw combines the strength of 18-8 Stainless Steel with the ergonomic benefits of an Acetal Plastic knurled head, addressing common industrial challenges like tool-free maintenance and corrosion in assembly lines. The low-profile round head and coarse thread design enable rapid installation in tight spaces, reducing downtime in electronics, machinery, and panel enclosures. Its fully threaded body and Class 3A thread fit provide consistent clamping force, preventing loosening under vibration—ideal for applications requiring frequent adjustments without compromising reliability. By integrating RoHS 3 and REACH compliance, it ensures safety in regulated sectors, from automotive to consumer goods.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a 6-32 thread size and Class 3A thread fit for high precision. Dimensions include a 3/8" length, 3/8" head diameter, and right-hand coarse threading. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring no hazardous substances are used in production.

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