SPMG140512 U drill mostly range from 42,43,44,45,46,47,48,49,50, mm to 50 mm Cutting speed Vc 150-220 m/min , feed 0.05-0.12 this is general recommendation you need to do some trial to find out best suitable parameters....

SPMG110408 U drill mostly range from 34MM,34.5MM,35MM,35.5MM,36MM,36.5MM,37MM,37.5MM,38MM,38.5MM,39MM,39.5MM,40MM,40.5MM,,41MM Cutting speed Vc 150-220 m/min , feed 0.05-0.12 this is general recommendation you need to do some trial to find out best suitable parameters. This is multi grade...

SPMG090408 U drill mostly range from 28mm,28.5MM,29MM,29.5MM,29.5MM,30MM,30.5MM,31MM,31.5MM,32MM,32.5MM,33MM,33.5 mm Cutting speed Vc 150-220 m/min , feed 0.05-0.12 this is general recommendation you need to do some trial to find out best suitable parameters. This is multi...

SPMG07T308 U drill mostly range from 22mm,22.5MM,23MM,23.5MM,24MM,24.5MM,25MM,25.5MM,26MM,26.5MM,27MM, 27.5mm Cutting speed Vc 150-220 m/min , feed 0.05-0.12 this is general recommendation you need to do some trial to find out best suitable parameters. This is multi...

This is multi grade used for all kind of material. SPMG060204 suitable to 15.5MM,16MM,16.5MM,17MM,17.5MM,18MM,18.5MM,19MM,19.5MM,20MM,20.5MM,21MM,21.5MM u drills LD2,3,4,5 Cutting speed Vc 150-220 m/min , feed 0.05-0.12 , This is for general purpose you need to make...

SPMG 050204 suitable to Indexable U drills 13MM,13.5MM,14MM,14.5MM,15 mm mostly Cutting speed Vc 150-220 m/min , feed 0.05-0.12 Black Coated for Versatile usage.