Set of 3 Electric Shank Step Drill Accessories 4241 Material Hexagonal 


Name: Hexagon Shank Step Drill
Cutting material: thin iron plate, aluminum material, insulating board, PVC board wood thickness within 5mm. A single drill can make holes of various sizes.


Material: high-speed steel 4241 (suitable for workpieces with hardness below 25°, such as carbon steel)


Specification:
4-12mm (5 steps: 4, 6, 8, 10, 12mm)
Weight: 22g


4-20mm ( 9 steps: 4, 6, 8, 10, 12, 14, 16, 18, 20mm)
Weight: 48g


4-32mm (15 steps: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm)
Weight: 139g


Surface treatment: Titanium plating


This is the Titanium coated step cone drill bit, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat, high hardness, high wear resistance, rust proof, extra long life, stable and durable to use.
The flute design provides faster, smoother and cleaner cuts.
The hex shank design prevents slippage and keeps the drill bit tight and stable in the drill.
6.35mm(1/4") hex shank is suitable for many power tools.
It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
PS:1. Drill (above 550W): Thickness 1-2mm, hole diameter more than 14mm, requires bench drill operation.
2. Add water to cool the drill bit when drilling.