Bi-metal hole saws material:hss M42 diameter:14mm to 300mm   Bi-metal hole saws  *M3/M42 hign speed steel hole saws are rugged for cutting tools designed to cut accurate holes in machinable materials up t038mm/44mm thick  *Ranging in size from 14mm to 300mm in...

Bi-metal hole saw diameter:14mm to 300mm   Bi-metal hole saws  *M3/M42 hign speed steel hole saws are rugged for cutting tools designed to cut accurate holes in machinable materials up t038mm/44mm thick  *Ranging in size from 14mm to 300mm in diameter  *they...

cutting wheel material:mild steels with medium strength,plain alloytool steels,concrete reinforcing iron steel-mats cutting wheels*made with internally reinforcing for safty,mainly for Europe and American markets*Internally reinforced or double reinforced*aluminum oxide grain*main...