V1NF 3Pcs Cone Titanium Coated Metal Drill Bit Cut Tool Set Hole Cutter 4-12/20/

Features:

Made from high quality HSS steel

Ideal for using to cut holes in a variety of materials including steel， brass， wood， plastic， etc.

3Pcs Hss Drill Bit Set， quality tool for jobs of all sizes

Titanium coated to reduce friction and heat

Heat treated and highly polished. Drills perfectly round holes in steel， brass， plastic， wood etc.

3 sided shanks design in order to prevent slippage when in chuck
Two flute design provides faster， smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps

Specification:

Surface treatment: Titanium Plating

Color: Golden

Specification Step drill cutting specification:

4-12mm Hole Sizes in 2mm Steps (5 steps)

4-20mm Hole Sizes in 2mm Steps (9 steps)

4-32mm Hole Sizes in 2mm Steps (15 steps)

3 X  Hss Drill Bit Set