Railway Steel Hex Bolt Din 933 934 Grade 8.8 10.9 Full Thread Black
This product name is Steel Hex Bolt Din 933 934 Grade 8.8 10.9 Full
Thread Black oxide,the size is M5*20mm,the surface treatment of hex
bolt is black oxide,Grade is 4.8 or 8.8,the materials are of high
quality carbon steel,annual sales reached three million dollar.
Hexagon head bolts are used widely. The hexagon head is designed
for easy usage,
and it performs well in balance between force application and
reception. The external appearance of these products match and to
be used together with the internal parts, for example, nuts, and
then to fasten the components.
Steel structures,multi-floor,high-rise steel structure,
steam,tower,power station,and other structure workshop frames
|nominal diameter d||M12||M16||M20||M22||M24||M27||M30||M36|
|screw pitch P||1.75||2||2.5||2.5||3||3||3.5||4|