S-94758A695 1"-14 Flange Nuts

Flange Nuts

1238FA00022 Flange Nuts
1238FA00022 Flange Nuts

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

Part No.
Part No. 1238FA00022
Equivalent to mcmaster :
94758A695

Basic Information

System of Measurement Inch
Nut Type Flange, Hex

Dimension Parameters

Width 1 5/8"
Height 1 1/4"

Thread Parameters

Thread Type UNS
Thread Size 1"-14
Thread Direction Right Hand
Thread Spacing Fine
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Flange Parameters

Flange Diameter 2"
Flange Thickness 0.25"

Material & Strength Parameters

Material 18-8 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (07/08/2021, 219 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Corrosion-resistant performance with 18-8 stainless steel construction for extended service life in harsh environments
  • Enhanced load distribution from the 2" flange diameter and 0.25" thickness, reducing surface pressure and material deformation
  • Secure, vibration-resistant fastening through Class 2B thread fit and fine threading for stable connections under dynamic loads
  • Industry-standard compatibility with UNS thread type and right-hand threading for seamless integration into existing assemblies
  • Easy installation and removal using standard external hex drive tools, minimizing maintenance time and labor costs
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe, environmentally responsible industrial use
  • Dimensional precision with standard hex profile ensuring consistent torque application and reliable clamping force

Professional Applications & Engineering Value

This heavy-duty flange nut delivers critical engineering solutions where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel construction prevents rust and chemical degradation in demanding environments like marine equipment, chemical processing plants, and outdoor infrastructure. The 2" flange diameter distributes clamping force over a wider area, preventing joint loosening in machinery subjected to constant stress or thermal cycling. With its fine thread configuration and Class 2B thread fit, this UNS thread nut maintains precise engagement in high-vibration applications including heavy equipment, transportation systems, and structural steel connections. The external hex drive design allows for efficient installation using standard industrial tools, reducing assembly time while ensuring reliable performance in critical industrial fastening applications.

Specification Summary & Compliance

This flange nut maintains Class 2B thread fit tolerances per UNS standards with 1"-14 fine thread specifications. Manufacturing adheres to inch system requirements with standard hex profile dimensions (1 5/8" width, 1 1/4" height). The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial distribution and use.

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