ASTM A563 Gr C Heavy Hex Nuts

ASTM A563 Gr C heavy hex nuts can be made cold or hot by forming, pressure or punching. Our factory can produce ASTM A563 Gr C heavy hex nuts from diameter 3/8 inch up to 4 inch by both cold forging and hot forging. Customers can get a full range of products in our own factory and don’t need to split the orders to different suppliers. Our factory focuses on quality management and takes effective control of every production process. Trace ability is implemented during the whole process. All essential production details and inspection data can be checked in our ERP system. And we have experienced and professional foreign trade sales staff. The cooperation between us will be highly relaxed and pleasant.

Our factory produces ASTM A563 Gr C heavy hex nuts with medium carbon steel. It is normally steel C1035 for cold forming and steel C1045 for hot forming. Heat treatment is also the necessary process. ASTM A563 Gr C heavy hex nuts shall be marked on one face with three circumferential marks 120° and a symbol to identify the manufacturer. Our logo LM was registered in the USA, and you can check it in FQA Registry.

Ningbo Haixin was awarded ISO9001 and CE certificates by LRQA in 2007. As of now, we have certificates of ISO14001, ISO45001, PED and API-20E of BSL1 and BSL2. CNAS17025 laboratory accreditation and DASt021certification are also under audit. And our company plans to apply for the IATF16949 certificate next year as well. Quality is always our concern and pursuit.