Description:Drillpro 4pcs HSS Titanium Coated Step Drill Bit with Automatic Center Pin Punch 3-12/4-12/4-20mm Step Drill
Specification:Material: HSS / High Speed Steel
Surface Treatment: Titanium Coated
Shank Size: 1/4" Hex Shank
Includes a five-step bit, nine-step bit and ten-step bit.
Quantity: 3pcs
The 3 Cutters Come in the Following Sizes:
4-12mm: 4mm,6mm,8mm,10mm,12mm
4-20mm: 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm
3-12mm: 3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm
Center Punch:
General type 6mm automatic center pin punch
Material:
Bit material: hss steel
Main body material: tool steel
Total Length: Approx 128mm
Bit diameter: 6mm
1. Including 1pcs center punch and 3pcs step drill.
2. Can use step drill to open hole before using the center punch.
3.It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc
4.Adjustable automatic center punch.
Package Included:3 x Step Drill Bit
1 x Center Punch
More Details:
