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Ningbo Zhenhai Fumei Set Screw Factory
宁波市镇海富美紧定螺钉厂
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12 Years
Main Products
Stainless Steel Set Screws
Hex. Set Screws
High-strength Set Screws
Plugs
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(JB /ZQ 4447 - 1997)
material
Alloy Steel
grade, rigidity
grade 10.9
Coating
black oxide coating
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Similar Products
GB 1155 - 1989
DIN 906 - 2020
DIN 906 - 2012
DIN 906 - 1992
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Q 619
JB /ZQ 4179 - 2006
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JB /ZQ 4447 - 2006
JB /ZQ 4446 - 1997
SAE J 531 (130109G) - 2020
SAE J 531 (130109N) - 2020
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QC /T 378 - 2013
QC /T 377 - 1999
