Sunoom Titanium Step Drill,3-Piece Set, Automatic Center Punch

Beschreibung

Three pieces of set size: Compact design with 3 step bit instead of 28 separate drills. Double flute design to achieve faster, more smooth cutting. When the hole is drilled, the automatic center punch can be used to mark the position of the hole. Adjustable cap adjustment strike force. Fully automatic, high impact, suitable for wood, metal, plastic, etc.. Heat treatment of alloy steel punch sharp precision, anti slip tip and knurling corrosion resistant brass body.