S-91255A135 6-32 x 1 1/8" ASTM F835 Steel Button Head Hex-Drive Screws

Steel Button Head Hex-Drive Screws

0081FA00104 Steel Button Head Hex-Drive Screws
0081FA00104 Steel Button Head Hex-Drive Screws

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

Part No.
Part No. 0081FA00104
Equivalent to mcmaster :
91255A135

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.262"
Head Height 0.073"
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 1 1/8"

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

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/64"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C39
Tensile Strength 120000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
Specifications Met ASTM F835
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.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Exceptional tensile strength of 120,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
  • Class 3A thread fit provides tighter tolerances for superior engagement and vibration resistance, minimizing loosening in dynamic environments.
  • Black-oxide coating on alloy steel offers enhanced corrosion resistance and a durable finish, extending service life in various industrial settings.
  • Hex drive design with 5/64" drive size allows for efficient torque application and easy installation, even in confined spaces.
  • Fully threaded UNC coarse threads enable quick assembly and strong holding power, ideal for rapid production cycles.
  • Rounded button head profile reduces the risk of snagging and provides a low-profile, aesthetically pleasing finish.
  • Compliance with ASME B18.3 and ASTM F835 standards guarantees consistent quality and interoperability, ensuring compatibility with existing industrial systems.

Professional Applications & Engineering Value

Engineered for precision and durability, these 6-32 UNC fully threaded screws with Class 3A thread fit address common industrial challenges such as vibration-induced loosening and corrosion. The black-oxide alloy steel construction, combined with a Rockwell C39 hardness, provides excellent wear resistance and longevity in harsh environments like machinery assembly, automotive components, and electronic enclosures. The rounded head with hex drive ensures secure fastening in tight spaces, while the coarse UNC threads facilitate quick installation, reducing labor time and improving efficiency in high-volume manufacturing and maintenance operations.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including Class 3A thread fit for superior accuracy and UNC coarse threading. It meets ASME B18.3 and ASTM F835 specifications for consistent performance, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence in industrial applications.

🔍
Cancel