In class 12.9 alloy steel; oxidized and oiled finish; dimensions ANSI / ASME B 18.3 (1998) and thread UNC ANSI / ASME B 1.1 (UNC, UNF). ASME B. 18.3 DIN 912 ISO 4762
Hexagon wrench for hexagon socket
In class 12.9 alloy steel; oxidized and oiled finish; dimensions DIN 911 (ISO 2936).
