1 Set Step Drill Bit Step Cone Cutter Tools Metal Drill Bit

Detailed Information About The Product:

4 specifications: with a -step drill with 4 to 12mm, a nine-step drill with 4 to 20mm and a ten-step drill with 3 to 12mm, and a fifteen-step drill with 4 to 32mm.
Powerful durability: Avoid the inconvenience of the three flat handles to a grip.
Easy drilling: The two-edged design provides faster and smoother cutting. With little pressure applied, the kit can cut wood, sheet metal, steel and other surfaces.
Automatic center punch: When pressed on the surface, it will automatic, high impact force, spring-loaded impact force, and adjustable cap can adjust the impact force.
Versatile: the location of holes and activate drills and screws to prevent drifting. Heat-treated alloy steel punches have sharp precision tips, and a corrosion-resistant brass body with a non-slip knurled handle.
note: you drilling and tightening, you can the location of the hole with an automatic center punch.
When pressed against wood, metal and plastic surfaces, it produces automatic, high-impact spring impacts.
Adjustable cover adjusts striking force.
It has a heat-treated punch, a sharp precision tip, and a corrosion-resistant body with a non-slip knurled handle.
The cutter size is as follows: 5-step drill: 4-12mm 4mm, 6mm, 8mm, 10mm, 12mm)
9-step drill: 4-20mm 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
10-step drill: 3-12mm 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)
15-step drill: 4-32mm 4,6 8,10,12,14,16,18,20,22,24,26,28,30,32mm)
Color: Gold
Material: Steel
Package Contents:
4 * Metric Step Drill Bit
1 * Auto Center Punch
Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is /- 1-3cm.
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