18 years professional hardware manufacturer - JM Hardware
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18 years professional hardware manufacturer - JM Hardware
Standar for Bolt Grade Tension Sten...
Standar for Bolt | Grade | Tension Stength | Yield Strength | Enlogation | Length | Hardness | Head Marking | |
ksi | ksi | % | in. | Brinell | Rockwell B | |||
A394(ASTM18.2.1) | typeO | 74 | 80-100 |
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type1 | 120 | 25-34 |
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type3 | 120 | 25-34 |
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Since our establishment in 2006, JM has been adhering to the mission of creating maximum value for customers by providing differentiated services, building a stage for employees to succeed, and making a positive contribution to the society.
