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Beijing HD Fastening Technology Co., Ltd.
北京宏道紧固技术有限公司
Premium Supplier
3 Years
Main Products
Plastic Protective Caps
Protective Taps
Sealing Caps
Screw Caps
Flange Caps
Protective Plugs
Shaft Protection
Connector Protection
Contact Protection
Assembly Tools
bolts
Nuts
Screws
Non-standard Parts
One-step Fasteners Supply
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(DIN 7991 - 1986)
material
Alloy Steel
grade, rigidity
grade 12.9
Coating
black oxide coating
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GB /T 70.3 - 2008
GB /T 70.3 - 2000
ISO 10642 - 2019
ISO 10642 - 2004
ISO 10642 - 1997
DIN EN ISO 10642 - 2020
DIN EN ISO 10642 - 2013
DIN EN ISO 10642 - 2004
ASME B 18.3 - 2012
ASME B 18.3 - 2003 (R2008)