Product Name: Hexagon boltRange:ANSI hex bolts and hex cap screws. DIN 931,DIN 933, DIN 558,DIN 601,ANSI, JIS,BSdiameter 1/4" to 3/4" (M6 to M20), length 1/2" to 12" (12mm to 300mm) Coarse thread and fine thread available Material : Carbon steelFinish: Plain, Zinc Plated, Hot Dipped Galvanized producing area:China