S-90910A768 8-32 x 3/8" ASME B18.3 Stainless Steel Button Head Torx Plus Screws

Stainless Steel Button Head Torx Plus Screws

0155FA00077 Stainless Steel Button Head Torx Plus Screws
0155FA00077 Stainless Steel Button Head Torx Plus Screws

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

Part No.
Part No. 0155FA00077
Equivalent to mcmaster :
90910A768

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.312"
Head Height 0.087"
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Torx Plus
Drive Size IP15, T15

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B55
Tensile Strength 60000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments.
  • Superior torque transmission and reduced cam-out thanks to the Torx Plus IP15 drive, ensuring secure fastening and extended tool life.
  • High mechanical strength with 60,000 psi tensile strength and Rockwell B55 hardness for reliable performance under load.
  • Easy installation and broad compatibility with UNC coarse threads and Class 2A fit, suitable for a wide range of materials.
  • Streamlined, low-profile design of the rounded button head provides a finished look and helps prevent snagging.
  • Full threading along the 3/8" length offers consistent grip and holding power across the entire fastener.
  • Compliance with major industry standards including ASME B18.3, RoHS, and REACH, ensuring safety and regulatory acceptance.

Professional Applications & Engineering Value

This 8-32 x 3/8" Torx Plus Rounded Head Screw is engineered to address common challenges in precision assembly and machinery. The 18-8 Stainless Steel construction, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for applications in electronics, automotive, and food processing equipment where corrosion resistance is critical. The Torx Plus drive (IP15/T15) minimizes tool slippage and wear, allowing for higher torque application and reducing assembly errors. Its fully threaded design and UNC coarse thread ensure quick installation and robust fastening in metals and plastics, enhancing productivity and reliability in industrial screw applications.

Specification Summary & Compliance

This screw features a Class 2A thread fit for standard tolerance applications, with UNC coarse threads and a diameter of 0.164". It is manufactured in compliance with ASME B18.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and suitable for global industrial use.

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