S-98164A182 10-32 x 3/4" ASME B18.3, ASTM F879 Stainless Steel Button Head Hex-Drive Screws

Stainless Steel Button Head Hex-Drive Screws

0078FA00023 Stainless Steel Button Head Hex-Drive Screws
0078FA00023 Stainless Steel Button Head Hex-Drive Screws

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

Part No.
Part No. 0078FA00023
Equivalent to mcmaster :
98164A182

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.361"
Head Height 0.101"
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 3/4"

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/8"

Material & Strength

Material 316 Stainless Steel
Finish Passivated
Hardness Rockwell B55
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3, ASTM F879
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 chemical and marine environments
  • Precise thread engagement through Class 3A thread fit and 10-32 UNF fine threading for secure fastening in critical applications
  • Enhanced durability with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads
  • Optimized drive efficiency featuring hex drive design for maximum torque transmission and reduced tool slippage
  • Extended service life with passivated surface treatment that improves corrosion resistance and prevents galling
  • Full thread coverage along the entire 3/4" length for maximum grip and holding power in various material thicknesses
  • Regulatory compliance assurance meeting ASME B18.3, ASTM F879, RoHS 3, and REACH standards for quality and safety

Professional Applications & Engineering Value

These 316 stainless steel rounded head screws deliver exceptional performance in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The combination of UNF fine threading with Class 3A precision fit ensures vibration-resistant fastening in machinery, marine equipment, and chemical processing systems. The passivated finish provides an additional protective layer against corrosive agents, while the hex drive configuration allows for high-torque installation without compromising the screw head. Engineered for applications requiring fully threaded fasteners with consistent holding power, these screws maintain integrity in high-stress environments thanks to their 70,000 psi tensile strength and optimized rounded head design that distributes clamping force evenly.

Specification Summary & Compliance

This 10-32 UNF screw features precise Class 3A thread fit according to ASME standards, ensuring dimensional accuracy and reliable performance. Manufactured to meet ASME B18.3 and ASTM F879 specifications, these screws maintain strict quality control throughout production. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, confirming environmental responsibility and safety compliance for industrial applications worldwide.

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