S-92790A646 3/4"-10 x 2 1/4" ASTM A193 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

0263FA00048 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
0263FA00048 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

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

Part No.
Part No. 0263FA00048
Equivalent to mcmaster :
92790A646

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1 1/4"
Head Height 15/32"

Dimensions

Length 2 1/4"
Grip Length 1/2"

Thread Parameters

Thread Type UNC
Thread Size 3/4"-10
Thread Diameter 0.75"
Thread Spacing Coarse
Thread Length 1 3/4"
Thread Direction Right Hand
Thread Fit Class 2A
Threading Partially Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 316 Stainless Steel
Hardness Rockwell B96
Fastener Strength Grade/Class ASTM Grade B8M
Tensile Strength 75000 psi

Temperature & Environment

Specifications Met ASTM A193
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional corrosion resistance from 316 Stainless Steel construction, ideal for harsh chemical and marine environments
  • High tensile strength of 75,000 psi ensures reliable performance under heavy loads and extreme conditions
  • Coarse UNC threading with Class 2A fit provides faster assembly and superior vibration resistance
  • Partially threaded design offers optimal grip length control for precise clamping applications
  • External hex drive configuration enables high-torque installation with standard wrench tools
  • ASTM A193 Grade B8M certification guarantees consistent material quality and manufacturing standards
  • Rockwell B96 hardness rating maintains thread integrity and prevents galling during repeated use

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 3/4"-10 UNC hex head screw combines 316 Stainless Steel's superior chemical resistance with ASTM A193 Grade B8M material certification to solve critical fastening challenges in corrosive environments. The coarse thread profile and Class 2A thread fit ensure rapid installation while maintaining vibration resistance in heavy machinery, structural assemblies, and processing equipment. The partially threaded configuration provides controlled clamping force distribution, making it ideal for pressure vessel flanges, pump systems, and marine hardware where external hex drive accessibility and 75,000 psi tensile strength are essential for maintenance and safety compliance.

Specification Summary & Compliance

This hex head screw features precision UNC coarse threads with Class 2A thread fit tolerance and right-hand thread direction. Manufactured to ASTM A193 Grade B8M specifications with Rockwell B96 hardness and 75,000 psi tensile strength. The fastener complies with industry standards for dimensional accuracy and material properties, ensuring reliable performance in critical applications.

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