S-94115A242 10-24 x 1/2" ASME B18.3 Set Screws

Set Screws

0646FA00022 Set Screws
0646FA00022 Set Screws

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

Part No.
Part No. 0646FA00022
Equivalent to mcmaster :
94115A242

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/2"

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 on alloy steel for extended service life in harsh industrial environments
  • Maximum vibration resistance through green nylon 6/6 tip that maintains grip under dynamic loads from -50° to 250°F
  • Precise Class 3A thread fit ensures tight tolerances and reliable fastening in critical assembly applications
  • Space-saving headless design with hex drive allows flush mounting where clearance is limited
  • Enhanced torque transmission via 3/32" hex drive that prevents tool slippage during installation
  • Coarse UNC threading provides rapid installation and superior holding power in softer materials
  • Industry compliance assurance meeting ASME B18.3 specifications and environmental regulations

Professional Applications & Engineering Value

This 10-24 UNC set screw delivers exceptional engineering value in precision assemblies requiring reliable positioning and vibration resistance. The black-oxide alloy steel construction combined with Rockwell C28 hardness provides optimal strength-to-weight ratio for demanding applications. The green nylon 6/6 plastic tip creates a non-marring, self-locking interface that prevents component damage while maintaining secure fastening through thermal cycles from -50° to 250°F. Particularly valuable in machinery, automotive, and electronic enclosures where headless set screws with coarse thread spacing enable quick adjustments and permanent positioning without protruding hardware. The right-hand thread direction and hex drive style ensure compatibility with standard installation tools and procedures.

Specification Summary & Compliance

Manufactured to ASME B18.3 standards with Class 3A thread fit precision for superior dimensional accuracy. Features UNC coarse threads with 10-24 sizing, 0.19" thread diameter, and 1/2" 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 provides additional corrosion protection while maintaining the material's inherent strength characteristics.

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