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International Standard Category: Bolts, screws, studs

GB/T 819.1-2016    Countersunk flat head screws with cross recess―Part 1: Property class 4.8
十字槽沉头螺钉 第1部分:4.8级 ;
Category No.:21.060.10 Valid Status:valid
Issued Organization:AQSIQ and MOH Issued Date:2016-02-24
Implemented Date:2016-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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