S-94115A184 6-32 x 1/2" ASME B18.3 Set Screws

Set Screws

0646FA00011 Set Screws
0646FA00011 Set Screws

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

Part No.
Part No. 0646FA00011
Equivalent to mcmaster :
94115A184

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/2"

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 Soft
Tip Length 0.031"
Tip Diameter 0.063"
Tip Material Nylon 6/6 Plastic
Tip Color Green
Tip Temperature Range -50° to 250° F
Drive Style Hex
Drive Size 1/16"

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
In Stock
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Key Features & Benefits at a Glance

  • Superior vibration resistance with green nylon 6/6 plastic tip that prevents loosening under dynamic loads
  • Exceptional corrosion protection through black-oxide coating on alloy steel for extended service life
  • Precise thread engagement with UNC Class 3A fit ensuring reliable fastening in critical applications
  • Wide temperature tolerance from -50° to 250° F maintains tip integrity across industrial environments
  • Optimized installation torque via 1/16" hex drive design for secure assembly without head protrusion
  • Enhanced material strength with Rockwell C28 hardness providing consistent performance under stress
  • Industry-standard compliance meeting ASME B18.3 specifications for guaranteed interchangeability

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these black-oxide alloy steel set screws deliver reliable clamping force in machinery, automotive components, and precision equipment. The UNC coarse thread design ensures rapid installation while maintaining Class 3A thread fit accuracy for vibration-prone environments. The green nylon 6/6 plastic tip creates permanent marring-free contact with shaft surfaces, eliminating slippage in adjustable assemblies. With headless configuration and 1/16" hex drive, these screws provide flush mounting solutions where space constraints prohibit protruding fasteners. The combination of Rockwell C28 hardness and specialized surface treatment makes these set screws ideal for permanent positioning applications requiring repeated adjustment cycles.

Specification Summary & Compliance

Manufactured to ASME B18.3 standards with UNC Class 3A thread fit precision. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features 6-32 thread size with coarse thread spacing and 1/2" length dimensions. The right-hand thread direction and hex drive style ensure compatibility with standard industrial tools and procedures.

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