Vis taraudeuses (DIN7971/DIN7972)
Standard : DIN7971, ISO1481, DIN7972, ISO1482, DIN7973, ISO1483, DIN7981,
DINISO7049, DIN7982, ISO7050, DIN7983, ISO7051, DIN7976, DIN7976, ISO1479, DIN7504-N, DIN7504-P, DIN7504-K
Terminer : Normal, Zingage, Noir, Cr3+, Cr6+
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