S-92778A071 6-32 x 1/4" ASME B18.3 Set Screws

Set Screws

0654FA00007 Set Screws
0654FA00007 Set Screws

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

Part No.
Part No. 0654FA00007
Equivalent to mcmaster :
92778A071

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Oval
Drive Style Hex
Drive Size 1/16"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B80

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

  • Superior corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh industrial environments
  • Exceptional thread engagement through Class 3A precision fit ensures vibration-resistant fastening and minimal backlash
  • Optimized torque transmission with 1/16" hex drive design prevents tool slippage and simplifies installation
  • Enhanced material durability with Rockwell B80 hardness maintains structural integrity under repeated adjustments
  • Secure component positioning through oval tip design distributes clamping force while minimizing surface damage
  • Reliable coarse threading with UNC 6-32 specification enables quick assembly and disassembly in right-hand applications
  • Space-saving installation with headless configuration allows flush mounting in confined assemblies

Professional Applications & Engineering Value

This 18-8 stainless steel set screw delivers critical performance advantages for industrial machinery, precision equipment, and automotive assemblies where vibration resistance and corrosion protection are paramount. The Class 3A thread fit maintains tight tolerances in dynamic applications, while the hex drive configuration ensures consistent torque application without cam-out. Engineers specify this UNC 6-32 set screw for permanent positioning of gears, pulleys, and collars on shafts, where the oval tip design provides secure contact without excessive surface penetration. The coarse thread spacing enables rapid installation in production environments, making it ideal for high-volume manufacturing applications requiring reliable set screw solutions.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit precision, this 1/4" length set screw features 6-32 UNC coarse threads with right-hand orientation. The component meets RoHS 3 (2015/863/EU) compliance for hazardous substance restriction and REACH (EC 1907/2006) standards for chemical safety. Material certification includes 18-8 stainless steel composition with Rockwell B80 hardness verification, ensuring consistent performance across industrial applications.

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