20 years professional hardware manufacturer - JM Hardware
For a chart of fastener grades, head markings and mechanical properties,
see JM Hardware®'s Grade markings and Strength Chart at https://www.jm-fastener.com/products-detail-713040
xarella.huang@jm-fastener.com
Since our establishment in 2006, JM has been adhering to the mission of creating maximum value for customers by providing differentiated services, and making a positive contribution to the society.