S-94320A430 10-32 x 1/4" Thumb Screws

Thumb Screws

0791FA00012 Thumb Screws
0791FA00012 Thumb Screws

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

Part No.
Part No. 0791FA00012
Equivalent to mcmaster :
94320A430

Basic Information

System of Measurement Inch

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile High
Head Diameter 13/32"
Head Height 5/16"
Head Texture Knurled

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Slotted

Material & Strength

Material Nylon Plastic
Hardness Not Rated
Tensile Strength 11000 psi

Temperature & Environment

Temperature Range -40° to 185° F
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
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Key Features & Benefits at a Glance

  • Superior grip and torque application with knurled high-profile round head design for easy hand-tightening without tools
  • Excellent corrosion resistance and electrical insulation from durable Nylon Plastic material suitable for sensitive environments
  • Reliable fine thread engagement with 10-32 UNF Class 2A threads ensuring precise fit and vibration resistance
  • Wide temperature tolerance from -40°F to 185°F maintaining performance in varying operational conditions
  • High tensile strength of 11,000 psi providing dependable clamping force for repeated use applications
  • Full threading along 1/4" length enables maximum adjustment range and secure fastening depth
  • Environmental compliance assurance with RoHS 3 certification for restricted substance control

Professional Applications & Engineering Value

This 10-32 UNF nylon thumb screw delivers exceptional value in applications requiring frequent adjustments and electrical isolation. The knurled high-profile round head provides positive grip even with gloved hands, while the fine UNF threads maintain precise alignment in assemblies subject to vibration. Made from engineering-grade Nylon Plastic, it eliminates galvanic corrosion concerns in multi-material assemblies and serves as an effective insulator in electrical enclosures. The material's inherent lubricity prevents galling and seizing in plastic-to-metal interfaces, making it ideal for access panels, instrumentation, and electronic housing applications where repeated access is necessary. With temperature stability across industrial environments, this RoHS compliant thumb screw offers reliable performance without compromising regulatory requirements.

Specification Summary & Compliance

This thumb screw features precision 10-32 UNF fine threads manufactured to Class 2A thread fit standards, ensuring consistent engagement and dimensional accuracy. The 13/32" head diameter and 5/16" head height provide optimal leverage for manual operation. Manufacturing complies with RoHS 3 (2015/863/EU) regulations, guaranteeing restricted substance compliance for global markets. The fully threaded 1/4" length and right-hand thread direction follow industry-standard configurations for compatibility with existing UNF threaded components.

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