S-90462A220 6-32 x 1/2" Thumb Screws

Thumb Screws

0790FA00003 Thumb Screws
0790FA00003 Thumb Screws

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

Part No.
Part No. 0790FA00003
Equivalent to mcmaster :
90462A220

Basic Information

Color Off-White
System of Measurement Inch

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Raised
Head Diameter 23/64"
Head Height 9/32"
Head Texture Knurled

Dimensions

Length 1/2"
Collar Diameter 19/64"
Collar Height 5/32"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Material & Strength

Material Glass-Filled Nylon Plastic
Hardness Not Rated
Tensile Strength 18000 psi

Temperature & Environment

Temperature Range -40° to 185° F
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

  • Tool-free manual operation with knurled round head design for secure grip and quick adjustments
  • Exceptional durability with glass-filled nylon construction offering 18,000 psi tensile strength
  • Wide temperature compatibility from -40° to 185°F for stable performance in varying environments
  • Corrosion-resistant plastic material eliminates rust concerns and maintains appearance
  • Precision UNC coarse threading with Class 2A fit ensures reliable engagement and vibration resistance
  • Full threading along 1/2" length provides maximum adjustability and holding power
  • Regulatory compliance with RoHS 3 and REACH standards for safe, environmentally conscious manufacturing

Professional Applications & Engineering Value

This glass-filled nylon thumb screw delivers exceptional value in applications requiring frequent adjustments or access panels. The knurled round head enables rapid manual tightening without tools, significantly reducing maintenance downtime in electronic enclosures, industrial controls, and laboratory equipment. Its coarse UNC 6-32 threading provides superior pull-out resistance in plastic and soft material assemblies, while the temperature resistance from -40° to 185°F ensures reliable performance in challenging environments. The off-white color and plastic construction make it ideal for applications where electrical insulation and corrosion resistance are critical, eliminating galvanic compatibility concerns in multi-material assemblies.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. Features UNC coarse threads (6-32 size) with right-hand direction and fully threaded 1/2" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries including electronics, medical devices, and consumer products.

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