S-90596A270 1/4"-20 Weld Nuts

Weld Nuts

1098FA00020 Weld Nuts
1098FA00020 Weld Nuts

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

Part No.
Part No. 1098FA00020
Equivalent to mcmaster :
90596A270

Basic Information

System of Measurement Inch
Nut Type Weld, Flange

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 1B

Head Parameters

Weld Nut Shape Round

Material & Strength Parameters

Material Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (07/08/2021, 219 SVHC) Compliant

Geometric Parameters

Base Diameter 3/4"
Base Thickness 3/64"
Barrel Diameter 0.305"
Barrel Height 7/8"
Barrel Profile Standard
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 welding performance with round shape and standard barrel profile for consistent, reliable connections in industrial applications
  • Exceptional durability thanks to high-quality steel construction that withstands demanding environments and repeated stress
  • Easy installation and removal with coarse UNC threads and Class 1B thread fit ensuring smooth engagement and disengagement
  • Optimized load distribution from the 3/4" base diameter providing stable, secure fastening points
  • Enhanced corrosion resistance with compliant steel material meeting rigorous industry standards
  • Right-hand thread design for standard tool compatibility and simplified assembly processes
  • Regulatory compliance assurance with RoHS 3 and REACH certifications for safe, sustainable use

Professional Applications & Engineering Value

This 1/4"-20 UNC weld nut delivers exceptional engineering value in demanding industrial settings where reliable welding fasteners are critical. The steel construction combined with coarse thread design ensures maximum vibration resistance and load-bearing capacity in machinery, structural frameworks, and automotive assemblies. The round weld nut shape with 0.305" barrel diameter and 7/8" height provides optimal surface contact for superior weld integrity, preventing loosening under dynamic loads. With Class 1B thread fit and right-hand thread configuration, it enables quick installation while maintaining precise alignment in high-volume production environments where efficiency and reliability are paramount.

Specification Summary & Compliance

This weld nut features precise UNC coarse threads with Class 1B thread fit tolerance for reliable performance. Dimensions include 0.305" barrel diameter, 7/8" barrel height, 3/4" base diameter, and 3/64" base thickness. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.

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