S-92845A711 2-56 x 1/8" ASME B18.3 Set Screws

Set Screws

0658FA00049 Set Screws
0658FA00049 Set Screws

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

Part No.
Part No. 0658FA00049
Equivalent to mcmaster :
92845A711

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/8"

Thread Parameters

Thread Type UNC
Thread Size 2-56
Thread Diameter 0.086"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Extended
Tip Length 0.024"
Tip Length Tolerance -0.005" to 0"
Tip Diameter 0.057"
Tip Diameter Tolerance -0.004" to 0"
Drive Style Hex
Drive Size 0.035"

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, ideal for harsh industrial environments
  • Exceptional holding power achieved through Class 3A thread fit precision and coarse UNC threading
  • Enhanced durability with Rockwell B80 hardness for reliable performance under repeated use
  • Secure installation enabled by hex drive design and extended tip for maximum grip
  • Space-saving design with headless construction perfect for compact assemblies
  • Regulatory compliance meeting ASME B18.3 standards and environmental regulations
  • Precision engineering with controlled tip dimensions for consistent seating and alignment

Professional Applications & Engineering Value

This 2-56 UNC set screw delivers critical engineering solutions for industrial applications where space constraints and vibration resistance are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance in demanding environments, while the Class 3A thread fit ensures tight tolerances for superior clamping force. The headless design and extended tip work together to create maximum contact surface area, preventing component slippage in precision assemblies. Particularly valuable in machinery, electronics, and automotive applications, these set screws maintain positional integrity through their coarse UNC threading and hex drive configuration, which allows for high torque application without stripping. The combination of material strength and precision manufacturing makes these fasteners ideal for permanent or semi-permanent installations requiring reliable, long-term performance.

Specification Summary & Compliance

This precision fastener features Class 3A thread fit with 2-56 UNC coarse threads and maintains dimensional accuracy per ASME B18.3 specifications. The manufacturing process ensures consistent tip diameter (0.057") and tip length (0.024") with controlled tolerances for reliable performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for safe and sustainable industrial components.

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