Towayer 3-13mm HSS Titanium Coated Stepped Drill Power Tools Carbide Drill High Speed Steel Mini Drill Bit Drill Bit Set

Specification:

Material:  High Speed Steel( Used for the hardness of

the material which is below 25°, like iron borad, steel board, PVC board, Insulation board, etc.)

Surface: Titanium Plated

Type: Straight Flute

Handle: Hexagon Shank

Scop: thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.

Size: 3-13MM 3,4,5,6,7,8,9,10,11,12,13mm 11 steps

Unit Weight: 28g

Features:

1. High speed steel material, more durable.

2. Titanium coated to reduce friction and run cooler

3. No need for a pilot hole,  can automatically deburr holes as you drill.

4. Special step stucture, can drill different size holes,

5. 1 step drill can be used as 1 box of drill bit.

6. Working with water cooling, can effectively extend the service life of bit, drilling speed 250--400 recommended.Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy,

insulation boards, PVC sheet,ect.

Package included:

1x 3-13MM Step Drill