S-97646A231 6-32 x 1/4" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

18-8 Stainless Steel Serrated-Flange Hex Head Screws

0279FA00013 18-8 Stainless Steel Serrated-Flange Hex Head Screws
0279FA00013 18-8 Stainless Steel Serrated-Flange Hex Head Screws

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

Part No.
Part No. 0279FA00013
Equivalent to mcmaster :
97646A231

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

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

Dimensions

Length 1/4"
Flange Diameter 5/16"

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
Locking Type Serrations

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B100
Tensile Strength 100000 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

  • Exceptional corrosion resistance from 18-8 stainless steel material, ideal for harsh industrial environments
  • Superior vibration resistance with serrated locking flange that prevents loosening under dynamic loads
  • High tensile strength of 100,000 PSI ensures reliable performance in demanding applications
  • Easy installation and removal with external hex drive design for efficient assembly operations
  • Precise thread engagement with Class 2A thread fit for consistent, reliable fastening
  • Full threading along entire length provides maximum grip and load distribution
  • Compliance with RoHS 3 and REACH regulations ensures environmental responsibility and global market acceptance

Professional Applications & Engineering Value

These 18-8 stainless steel hex head flange screws deliver exceptional engineering value in industrial applications where vibration resistance and corrosion protection are critical. The serrated locking flange eliminates the need for additional washers while providing superior anti-loosening capabilities in machinery, automotive assemblies, and electrical enclosures. The UNC coarse thread design ensures quick installation and reliable performance in materials where fine threads might strip or fail. With Rockwell B100 hardness and 100,000 PSI tensile strength, these fully threaded screws maintain integrity under heavy loads and stressful conditions, making them ideal for manufacturing equipment, structural frameworks, and maintenance operations requiring durable industrial fasteners.

Specification Summary & Compliance

This 6-32 UNC hex head flange screw features precise Class 2A thread fit tolerances with coarse thread spacing for optimal engagement. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and chemical safety. Manufacturing specifications include 0.138" thread diameter, 1/4" length, and 5/16" flange diameter with right-hand thread direction and fully threaded design for consistent performance across industrial applications.

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