S-98704A225 6-32 x 29/32" Thumb Screws

Thumb Screws

0776FA00012 Thumb Screws
0776FA00012 Thumb Screws

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

Part No.
Part No. 0776FA00012
Equivalent to mcmaster :
98704A225

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 3/8"
Head Height 3/16"
Head Texture Knurled
Head Material Acetal Plastic
Head Temperature Range 32° to 180° F

Dimensions

Length 29/32"

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

Tip & Drive Parameters

Drive Style Hex
Drive Size 7/64"

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
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

  • Tool-free installation and adjustment with knurled thumb head for secure grip in tight spaces
  • Superior corrosion resistance thanks to 18-8 stainless steel construction for long service life
  • Precise thread engagement with Class 3A fit ensuring reliable fastening in demanding applications
  • Wide temperature compatibility (32° to 180°F) for stable performance across various environments
  • Enhanced durability with acetal plastic head maintaining integrity through repeated use
  • Full threading capability providing maximum holding power along the entire screw length
  • Regulatory compliance meeting RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

These 6-32 UNC thumb screws deliver exceptional value in applications requiring frequent access or adjustment, such as electronic enclosures, machinery guards, and instrumentation panels. The 18-8 stainless steel construction provides excellent corrosion resistance, eliminating concerns about rust in humid or corrosive environments. The knurled black acetal plastic head offers both visual appeal and functional superiority, ensuring secure grip without marring surfaces. With Class 3A thread fit and coarse UNC threading, these screws provide rapid installation and reliable performance in vibration-prone applications. The low-profile round head design maintains a streamlined appearance while the fully threaded construction ensures maximum engagement depth for secure fastening in various material thicknesses.

Specification Summary & Compliance

This thumb screw features precision 6-32 UNC coarse threads with Class 3A fit for superior thread engagement and consistent performance. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency. The 29/32" length and 0.138" thread diameter provide dimensional accuracy for reliable integration into your assembly projects.

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