S-91073A102 ASTM A582 Inch-to-Metric Female Hex Thread Adapters

Name: 91073A102 Inch-to-Metric Female Hex Thread Adapters - SKDIN
Brand: SKDIN
SKU: SKDIN-91073A102
Availability: InStock

Inch-to-Metric Female Hex Thread Adapters

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

Part No.

Part No. 1481FA00002

Equivalent to mcmaster :

91073A102

Basic Information

For Adapting Thread Size

System of Measurement (A) Inch

System of Measurement (B) Metric

Shape Hex

Specifications Met ASTM A582

RoHS RoHS 3 (2015/863/EU) Compliant

REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant

Material & Strength Parameters

Material 18-8 Stainless Steel

Tensile Strength 85000 psi

Hardness Rockwell B80

End A Thread Parameters

Thread Size (A) 2-56

Thread Length (A) 0.187"

Gender (A) Female

Thread Fit (A) Class 2B

End B Thread Parameters

Thread Size (B) M3

Thread Length (B) 6.4 mm

Gender (B) Female

Thread Fit (B) Class 6H

Thread Size Pitch (B) 0.5 mm

Hex Parameters

Hex Size 3/16"

Hex Length 1"

Drive Parameters

Drive Style External Hex

Technical Drawings No drawings available at the moment, will be launched soon

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Key Features & Benefits at a Glance

Seamless Thread Conversion: Effortlessly connect 2-56 inch and M3 metric components, eliminating compatibility issues in mixed-standard assemblies.
Superior Corrosion Resistance: Constructed from 18-8 Stainless Steel to ensure long-term reliability in harsh or humid industrial environments.
High Mechanical Strength: With a 85,000 psi tensile strength and Rockwell B80 hardness, this adapter withstands high-stress applications without failure.
Precision Thread Engagement: Class 2B and Class 6H thread fits guarantee secure, vibration-resistant connections and prevent cross-threading.
Easy Installation & Removal: The external hex drive with a 3/16" hex size and 1" length provides a firm grip for standard tools, speeding up maintenance.
Rigorous Quality Assurance: Manufactured to ASTM A582 specifications, ensuring consistent performance and dimensional accuracy.
Environmental & Regulatory Compliance: Meets REACH and RoHS 3 standards, making it safe for use in regulated industries worldwide.

Professional Applications & Engineering Value

This female hex thread adapter solves critical challenges in environments where inch and metric threaded systems must interoperate reliably. Its 18-8 Stainless Steel construction offers excellent resistance to oxidation and chemical exposure, making it ideal for industrial machinery, automotive assemblies, and electronic enclosures that face demanding conditions. The precise Class 2B/6H thread fit minimizes the risk of loosening under vibration, a common failure point in dynamic applications. By providing a robust, corrosion-resistant interface, it extends equipment lifespan and reduces downtime caused by thread mismatch or component wear.

Specification Summary & Compliance

This adapter ensures dimensional accuracy with Class 2B (inch) and Class 6H (metric) thread fits, adhering to standardized tolerances for reliable engagement. It is manufactured in compliance with the ASTM A582 specification for stainless steel threading components. The product is fully REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliant, confirming its suitability for use in regulated markets without hazardous substance restrictions.

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