12mm - 35mm HSS Reduced Shank Drills Metal Drill Bits For Steel Wood Plastic

Description:

Quality high speed steel twist drill with reduced shank Material: HSS 6542 

Shank diameter: 10mm or 12.7mm . 

Flute length: about 80mm

Overall length: about 150mm

Choice of size: 12mm , 12.5mm , 13mm , 13.5mm , 14mm , 14.5mm , 15mm , 15.5mm , 16mm , 16.5mm , 17mm , 17.5mm , 18mm , 18.5mm , 19mm ,

19.5mm , 20mm , 20.5mm , 21mm , 21.5mm , 22mm , 22.5mm , 23mm , 23.5mm , 24mm , 24.5mm , 25mm , 25.5mm , 26mm , 27mm , 28mm , 30mm , 

32mm , 35mm 

Use on aluminium, steel, plate iron, plastic and wood etc . Even stainless steel(Thickness less then 5mm)

The bigger the drill bit, the slower the speed. running them too fast will result in overheating and damage to the drill bit.