12.9 Hex BoltKhoomsteel carbon nruab lossis alloy steel (xws li 42CrMo, 35CrMo, thiab lwm yam), quenched + temperedKawm ntxiv
ASTM A307 Carbon Steel BoltsQhovMetric coarse thread (M), UNC/UNF (Unified Inch Coarse/Fine Thread)NtevTypically 10 mm mus 800 mm (custom lengths available based on application).Kawm ntxiv
Mild Steel Hex BoltQhovMetric coarse (M), UNCNtev10 mm – 1000 mm (metric); 1 " – 40 " (imperial) (custom lengths available)Kawm ntxiv