S-98704A535 10-32 x 3/4" Thumb Screws

Thumb Screws

0776FA00028 Thumb Screws
0776FA00028 Thumb Screws

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

Part No.
Part No. 0776FA00028
Equivalent to mcmaster :
98704A535

Basic Information

Color Black
System of Measurement Inch

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Low
Head Diameter 5/8"
Head Height 1/4"
Head Texture Knurled
Head Material Acetal Plastic
Head Temperature Range 32° to 180° F

Dimensions

Length 3/4"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/32"

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

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
  • Enhanced grip and torque application thanks to the knurled black acetal plastic head, reducing slippage during manual adjustments
  • Precise, reliable fastening with Class 3A thread fit and fine UNF threading, ensuring tight, secure connections
  • Easy, tool-free installation and removal with the low-profile round thumb head and 5/32" hex drive for versatile use
  • Durability in varied temperatures with a head temperature range of 32° to 180° F, suitable for many applications
  • Full thread coverage for consistent holding power along the entire 3/4" length, minimizing loosening
  • Compliance with environmental standards including RoHS 3 and REACH, meeting global regulatory requirements

Professional Applications & Engineering Value

This 10-32 UNF thumb screw is engineered to address common industrial challenges, such as the need for quick, tool-free adjustments without compromising strength. The 18-8 stainless steel body provides excellent resistance to rust and corrosion, making it ideal for electronics, machinery, and assembly lines where exposure to moisture or chemicals occurs. The black knurled acetal plastic head offers a non-slip surface, enhancing user grip and reducing hand fatigue during frequent use. With its fine thread spacing and Class 3A thread fit, it ensures precise alignment and vibration resistance, preventing unintentional loosening in high-movement applications. This combination of materials and design delivers reliable performance in industrial thumb screw uses, from securing panels to adjusting components, while the low-profile round head saves space in compact designs.

Specification Summary & Compliance

This thumb screw adheres to UNF thread standards with a Class 3A thread fit for high precision and fine thread spacing. Dimensions include a 3/4" length, 10-32 thread size, and 5/8" head diameter. It is fully threaded and features a right-hand thread direction. Compliance is confirmed with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.

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