S-97088A250 ASTM A108, ASTM B633 Inch-to-Inch Female Hex Thread Adapters

Inch-to-Inch Female Hex Thread Adapters

1479FA00073 Inch-to-Inch Female Hex Thread Adapters
1479FA00073 Inch-to-Inch Female Hex Thread Adapters

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Part No.
Part No. 1479FA00073
Equivalent to mcmaster :
97088A250

Basic Information

For Adapting Thread Size
System of Measurement (A) Inch
System of Measurement (B) Inch
Shape Hex
Specifications Met ASTM A108, ASTM B633
RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant

Material & Strength Parameters

Material Zinc-Plated Steel
Tensile Strength 75000 psi
Hardness Rockwell B65

End A Thread Parameters

Thread Size (A) 3/4"-10
Thread Length (A) 3/4"
Gender (A) Female
Thread Fit (A) Class 2B

End B Thread Parameters

Thread Size (B) 1 1/4"-7
Thread Length (B) 1 1/16"
Gender (B) Female
Thread Fit (B) Class 2B

Hex Parameters

Hex Size 1 5/8"
Hex Length 3"

Drive Parameters

Drive Style External Hex
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • High Tensile Strength – Withstands up to 75,000 psi, ensuring reliable performance in demanding industrial applications.
  • Durable Zinc-Plated Steel Construction – Provides excellent corrosion resistance and extends service life in harsh environments.
  • Precision Class 2B Thread Fit – Delivers secure, vibration-resistant connections between 3/4"-10 and 1 1/4"-7 threads.
  • External Hex Drive Design – Allows for easy installation and removal using standard tools with a 1 5/8" hex size.
  • Rockwell B65 Hardness – Offers superior wear resistance and maintains thread integrity under repeated use.
  • Compliance with ASTM A108 & ASTM B633 – Guarantees material quality and manufacturing consistency for engineering applications.
  • REACH & RoHS 3 Compliant – Meets environmental and safety standards, suitable for global industrial supply chains.

Professional Applications & Engineering Value

This female hex thread adapter is engineered to solve common challenges in fluid systems, machinery assembly, and heavy equipment maintenance. By converting between 3/4"-10 and 1 1/4"-7 thread sizes, it eliminates the need for custom fittings, reducing downtime and inventory costs. The zinc-plated steel construction resists rust and abrasion, while the Class 2B thread fit ensures leak-free, stable connections under high vibration and pressure. Ideal for hydraulic systems, industrial pumps, and construction machinery, this adapter provides a reliable, standardized solution that meets rigorous ASTM specifications and supports efficient, safe operations in demanding environments.

Specification Summary & Compliance

This adapter features Class 2B thread fit on both ends, ensuring precise dimensional accuracy per inch standards. It complies with ASTM A108 and ASTM B633 for material and coating requirements, and is verified to be REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliant, confirming adherence to environmental and safety regulations for industrial use.

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