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International Standard Category: Bolts, screws, studs

GB/T 2673-2007    Hexagon lobular socket countersunk head screws
内六角花形沉头螺钉;
Category No.:21.060.10 Valid Status:superseded
Issued Organization:AQSIQ, SAC Issued Date:2007-7-30
Implemented Date:2007-12-1 Abolished Date:
Superseded Standard.:GB/T 2673.1-2018 Hexalobular socket countersunk flat head screws
Superseded Date:2019-7-1
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