S-90860A111 1/4"-20 Weld Nuts

Weld Nuts

1100FA00005 Weld Nuts
1100FA00005 Weld Nuts

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

Part No.
Part No. 1100FA00005
Equivalent to mcmaster :
90860A111

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 2B

Head Parameters

Weld Nut Shape Round

Material & Strength Parameters

Material 18-8 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant

Geometric Parameters

Base Diameter 3/4"
Base Thickness 1/16"
Barrel Diameter 0.313"
Barrel Height 3/8"
Barrel Profile Standard
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
  • Reliable welding performance due to the round flange design and standard barrel profile for consistent attachment
  • Easy installation and removal with UNC coarse threads and Class 2B thread fit, reducing assembly time
  • Durable fastening under stress from the 3/4" base diameter and 1/16" base thickness for enhanced load distribution
  • Wide compatibility with 1/4"-20 UNC right-hand threaded components in various machinery and equipment
  • Compliance with strict regulations including RoHS 3 and REACH, ensuring safety and environmental responsibility
  • Precise dimensional accuracy with a 0.313" barrel diameter and 3/8" barrel height for secure fit in welding applications

Professional Applications & Engineering Value

This 1/4"-20 UNC weld nut is engineered to address common industrial challenges such as vibration loosening and corrosion in demanding settings. Made from 18-8 stainless steel, it provides excellent resistance to rust and chemical exposure, making it suitable for automotive, construction, and heavy machinery applications. The round flange design and standard barrel profile ensure a stable weld, minimizing the risk of misalignment during assembly. With coarse threads and Class 2B thread fit, it offers quick, secure fastening in high-stress environments, reducing maintenance needs and improving overall equipment reliability. This nut is ideal for permanent fastening solutions where durability and compliance with industry standards are critical.

Specification Summary & Compliance

This weld nut features precise dimensions including a barrel diameter of 0.313", barrel height of 3/8", base diameter of 3/4", and base thickness of 1/16". It adheres to UNC coarse thread standards with a Class 2B thread fit for consistent performance. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.

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