HSS Step Drill Bit 4-12mm 4-20mm 4-32mm Hex Titanium Cone Hole Cutter Multifunction Reamer Plate Iron Aluminum Plate Drilling Me

HSS Step Drill Bit 4-12mm 4-20mm 4-32mm Hex Titanium Cone Hole Cutter Multifunction Reamer Plate Iron Aluminum Plate Drilling Metal Core Drill

Feature:

* Made from high quality HSS steel.

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

* Titanium coated to reduce mit 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 drives faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps.



Specification:

The Cutters Come in the Following Sizes:

4-12mm: (4mm, 6mm, 8mm, 10mm, 12mm) 5 Steps.

4-20mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)9 Steps.

4-32mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm).

Function: Deburring, Chamfering, Cutting or expanding holes.

Supporting tools: Pistol drill, Hand drill, Charging drill, Bench drill. (Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the case of continuous drilling).



Package included:

1 x Drill Bit