Professional Step Drill Bit 4-12mm Step Drill Bit

Professional Quality, For Daily Use In A Workshop

4-12mm step drill bit

Step drill bit manufactured with 2mm increments, perfect for drilling steel, brass, copper, aluminum, wood and plastics.
It is 65.5 mm long and is made of high-quality high-speed steel, properly hardened for a longer life.
Drilling steps marked in graduations: 4, 6, 8, 10, 12 mm.
Perfect for industrial situations and construction work.