S-91720A142 6-32 x 3/8" Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

0247FA00001 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
0247FA00001 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0247FA00001
Equivalent to mcmaster :
91720A142

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/4"
Head Height 3/32"

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
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 316 Stainless Steel
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
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 in harsh environments thanks to premium 316 stainless steel construction
  • High tensile strength of 70,000 psi ensures reliable performance under significant mechanical stress
  • Excellent durability with Rockwell B70 hardness for long service life and reduced replacement frequency
  • Easy installation and removal with external hex drive design and coarse UNC thread spacing
  • Precise thread engagement with Class 2A fit for consistent, secure fastening in industrial assemblies
  • Full threading along the 3/8" length provides maximum grip and adjustability in various material thicknesses
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

These 316 stainless steel hex head screws deliver exceptional value in demanding applications where corrosion resistance and mechanical integrity are paramount. The UNC coarse pitch threading combined with Class 2A thread fit ensures rapid assembly and reliable performance in vibration-prone environments, reducing installation time and maintenance costs. Ideal for chemical processing equipment, marine hardware, and food-grade machinery, the fully threaded design offers versatile clamping force distribution. The external hex drive allows for high-torque installation with standard tools, making these industrial hex screws a preferred choice for OEMs and maintenance teams requiring consistent, high-strength fastening solutions in aggressive operational conditions.

Specification Summary & Compliance

This fastener features a 6-32 UNC thread size with Class 2A thread fit and coarse pitch spacing, manufactured to precise dimensional standards. The screw maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety protocols. With a specified tensile strength of 70,000 psi and Rockwell B70 hardness, it meets rigorous industrial requirements for mechanical performance and durability in corrosive settings.

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