GlobalFastener
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Hebei Delong Fastener Manufacturing Co. Ltd.
河北德龙紧固件制造有限公司
Premium Supplier
6 Years
Main Products
High-strength washers
Spring washers
Self drilling screws
Heavy spring washers
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(GB /T 848 - 2002)
material
Carbon steel
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Similar Products
GB /T 848 - 1985
ISO 7092 - 2000
ISO 10673 (S) - 1998
JIS B 1256 (SA) - 2008
JIS B 1256 (S) - 1978
Q 400
Q 400B
NF E 25-513
BS 3410 (-3) - 1961
AS 1237.1 - 2002
DIN EN ISO 7092 - 2000
BS EN ISO 7092 - 2000