S-92785A518 8-32 x 1" ASME B18.3 Set Screws

Set Screws

0669FA00057 Set Screws
0669FA00057 Set Screws

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

Part No.
Part No. 0669FA00057
Equivalent to mcmaster :
92785A518

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Cone
Cone Point Angle 90°
Drive Style Hex
Drive Size 5/64"

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 environments and washdown applications.
  • Exceptional holding power from the 90° cone point tip that bites into mating surfaces for secure, permanent positioning.
  • Precise and reliable thread engagement ensured by the Class 3A thread fit, minimizing the risk of cross-threading and assembly failures.
  • High-strength durability with a Rockwell B80 hardness rating, providing excellent resistance to wear and deformation under load.
  • Streamlined installation in confined spaces thanks to the headless design and 5/64" hex drive for a low-profile, flush finish.
  • Guaranteed mechanical consistency as it is manufactured to meet the stringent dimensional requirements of the ASME B18.3 specification.
  • Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives.

Professional Applications & Engineering Value

This 8-32 UNC set screw is engineered to solve critical challenges in precision assembly and motion control systems. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it a reliable choice for food processing, marine, and outdoor equipment. The headless design and hex drive allow for installation in tight spaces where a protruding head is not feasible, while the 90° cone point creates a strong, permanent grip on shafts, collars, and gears, preventing slippage under high torque or vibrational loads. Its Class 3A thread fit and coarse UNC thread ensure quick assembly and high fatigue resistance, reducing maintenance needs and downtime in automated machinery and precision industrial applications.

Specification Summary & Compliance

This set screw adheres to a Class 3A thread fit for high precision in Unified National Coarse (UNC) 8-32 thread applications. It is manufactured in compliance with the ASME B18.3 standard governing dimensional accuracy and mechanical properties. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets the latest environmental and safety regulations for hazardous substances.

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