Ursprungsort
Guangdong, China
Modellnummer
Hex socket flat head bolt din7991
Place of Origin
China(Mainland)
Standard
BS,GB,JIS,DIN, ANSI
Material
carbon/mild steel,stainless steel(ss304 ss316),brass/copper,aluminum
Surface treatment
Black,dacrotized,hot dip galvanized,oxied,zinc-plated
Size
M3 M4 M5 M6 M8 M10 M12
Diameter of head
5.7-39mm
Grade
4.8 5.8 6.8 8.8 10.9 12.9 a2 a4