S-98057A280 6-32 x 3/8" ASME B18.3 Set Screws

Set Screws

0619FA00004 Set Screws
0619FA00004 Set Screws

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

Part No.
Part No. 0619FA00004
Equivalent to mcmaster :
98057A280

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 3/8"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A

Tip & Drive Parameters

Tip Type Cup
Drive Style Slotted

Material & Strength

Material 316 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 316 Stainless Steel construction, ideal for harsh environments and chemical exposure
  • Enhanced thread engagement through Class 2A UNC coarse threads, ensuring reliable fastening and reduced cross-threading risk
  • Secure locking capability with cup point design that bites into mating surfaces, preventing component slippage
  • Space-saving headless profile allowing for flush installation in confined assemblies and rotating machinery
  • Controlled installation torque via slotted drive, compatible with standard tools while maintaining Rockwell B80 hardness
  • Regulatory compliance assurance meeting ASME B18.3 specifications and international RoHS 3/REACH environmental standards
  • Optimized dimensional stability with precise 6-32 thread diameter and 3/8" length for consistent fit in UNC threaded components

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 316 stainless steel set screw delivers exceptional performance in corrosive environments where ordinary fasteners fail. The headless slotted design enables flush mounting in precision equipment, while the cup point configuration creates permanent seating in shafts, collars, and gears. With UNC coarse threads and Class 2A tolerance, installation becomes more efficient with reduced galling risk. The Rockwell B80 hardness maintains structural integrity under vibration, making these corrosion resistant screws ideal for manufacturing equipment, marine components, and chemical processing systems where reliability is non-negotiable.

Specification Summary & Compliance

This 6-32 UNC set screw features precise Class 2A thread fit with right-hand orientation and coarse thread spacing. Manufacturing complies with ASME B18.3 standards for dimensional accuracy and mechanical properties. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial fasteners.

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