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20 years professional hardware manufacturer - JM Hardware

Fastener Basics? | JM Hardware® can tell you

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

Fastener Basics? |  JM Hardware® can tell you 1

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SAE J429
ASTM DIN ISO Mechanical Properties
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