Metric Heavy Hex Nuts

Metric heavy hex nuts shall be designated by the following data:product name, nominal diameter and threads pitch, steel property class or material identification, and protective coating if required. Metric heavy hex nuts are the advantage and traditional products of Ningbo Haixin® Hardware Co.,Ltd.our strong products. As the earliest fasteners manufacturer in Ningbo,China, our factory can offer full sizes metric heavy hex nuts with best quality and competitive price.

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Product Description

Haixin® Metric heavy hex nuts shall be either double chamfer or have a washer faced bearing surface and a chamfered top depending on customers’ requirements. Dimensions of metric heavy hex nuts shall be in accordance with ASME B18.2.4.6M. Our factory uses carbon and steel material to produce metric heavy hex nuts. Heat treatments shall conform to the material and mechanical property requirements specified for property classes 9, 8S, 10S in ASTM A563 or grade 2H in ASTM A194.No matter which type metric heavy hex nuts you need, Ningbo Haixin Hardware Co.,Ltd can fully meet your requirements.The quality is guaranteed and the price is competitive.

Product Parameter (Specification)

Standard	Grade	Diameter	Surface
ANSI B18.2.4.6M	ASTM A194 Gr.2H ASTMA563MClass 9 ASTMA563M Class 8S ASTMA563M Class 10S	3/8”-4” M12-M90	Plain HDG

Product Feature

Haixin® Metric heavy hex nuts shall be marked to identify the property class and the manufacturer in accordance with ASTM A563M. For example, if the metric heavy hex nuts are made by Ningbo Haixin Hardware Co.,Ltd, the marks shall be LM 9, LM 8S, or LM 10S. Threads of metric heavy hex nuts shall be metric coarse threads with class 6H tolerance per ANSI B1.13M. If etric heavy hex nuts intended for use with externally threaded fasteners which are plated or coated with a plating or coating thickness(e.g., hot dip galvanized), the threads shall have been over tapped per ASTM A563M.

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