Lichamp Unibit Step Drill Bit, Genuine HSS M2 Impact Wrench Stepper Bit, 19 Sizes from 3/16" to 1-3/8", Dual Straight Grooved with 1/2" Square Drive, A5BK

Product Description Typical Data / Physical Properties:
Brand: Lichamp
Type: M2 Step Drill Bit for impact wrench
Meterial: M2 High Speed Steel
Thread Style: Right
Finish Type: Black Oxide
Color: Black
Number of Steps: 19
Style: Dual-Flute Step Bits
Cutter Geometry: Dual-Flute
Angle Point: 118 Degree
Flute Type: Straight
Shank Type: 1/2" Square Drive
Package: Plastic Case
Package Quantity: 1
Environment: Indoor and Outdoor
Size: 19 Sizes from 3/16" to 1-3/8"
Hole Diameter: 3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32". 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8"

Drilling Material:
Sheet metal
Wood chips
Board
Aluminum alloy
Plastic plates

Features:
1. Genuine M2 HSS with black oxide ensures durability and sharpness which can reduce the friction and run cooler.
2. Drills holes of various sizes without changing bits, Smoother and rounder holes, Prevents metal scurf from flying around for improved safety.
3. 118 degrees split point tip provides faster cutting and prevent sliding while increasing the wear resistance.
4. Double flutes design allows the particles escape easily for a clean drilling operation.
5. Great for sheet metal, aluminum sheets, wood chips, plastic and wood board. It's a perfect choice for DIY and engineering use.
6. Come with a small plastic box for easy storage and organizing.

Tips:
1. Suitable for 1/2 impact wrench, NOT compatible with electric drills.
2. Please do not set drilling speed too high to avoid damages to cutting edge.
3. Please use water to cool down the bit after in operation for a while to improve service life.
4. It is recommended to oil the bit before every use.
5. Please drill a smaller hole to make drilling smoother.
6. The thickness shall NOT exceed the height of each increment of the step drill bit.