Fasteners. Hexagon washer head drilling screws with tapping screw thread
出版:British Standards Institution
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This document specifies the characteristics of hexagon washer head drilling screws with tapping screw threads, made of steel, with thread sizes ST2,9 to ST6,3, and with product grade A.
BS EN ISO 15480 : 1999
ISO 15480:2019 - Identical
EN ISO 15480 : 2019 - Identical
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