S-94115A238 10-24 x 1/4" ASME B18.3 Set Screws

Set Screws

0646FA00019 Set Screws
0646FA00019 Set Screws

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

Part No.
Part No. 0646FA00019
Equivalent to mcmaster :
94115A238

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Soft
Tip Length 0.047"
Tip Diameter 0.094"
Tip Material Nylon 6/6 Plastic
Tip Color Green
Tip Temperature Range -50° to 250° F
Drive Style Hex
Drive Size 3/32"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C28

Temperature & Environment

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

  • Superior corrosion resistance with black-oxide coating for extended service life in demanding industrial environments
  • Exceptional holding power through Class 3A thread fit precision, ensuring secure fastening without loosening
  • Damage-free surface protection with green nylon 6/6 plastic tip, ideal for precision components and finished surfaces
  • Wide temperature tolerance from -50°F to 250°F, maintaining performance across diverse operating conditions
  • Optimized torque transmission via 3/32" hex drive design, enabling efficient installation in confined spaces
  • Enhanced durability with Rockwell C28 hardness alloy steel construction for repeated use applications
  • Industry-standard compliance meeting ASME B18.3 specifications for reliable mechanical performance

Professional Applications & Engineering Value

This 10-24 UNC set screw delivers critical engineering solutions for industrial assembly challenges. The black-oxide alloy steel construction combined with Class 3A thread fit provides exceptional vibration resistance in machinery, automotive components, and precision equipment. The headless design with hex drive allows flush mounting in space-constrained applications while the nylon 6/6 plastic tip prevents marring of shaft surfaces and maintains clamping force without damaging precision parts. Engineered for right-hand coarse threading, this fastener ensures rapid installation in high-volume production environments while meeting rigorous industrial set screw requirements for manufacturing, maintenance, and OEM applications.

Specification Summary & Compliance

Manufactured to ASME B18.3 standards with Class 3A thread fit precision for superior dimensional accuracy. Features UNC coarse threading (10-24) with right-hand direction and 1/4" length. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The black-oxide surface treatment on alloy steel substrate provides additional corrosion protection while maintaining the mechanical integrity required for demanding fastener applications.

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