Diameter:M5-M24 Diameter:1\4--3\4 length:12--500 length:0.5"--20" DIN931-87 DIN933-87 GB 5782-86 GB5783 -86 AS 2451 AS 1111 AS 2451 GB21-76 GB30-76 Post Time：2007-12-15
Ningbo Economic & Technical Development Zone Yonggang Fasteners Co., Ltd. Address:FuShan South Road No.17, Beilun, Ningbo China.
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