Feature:
1. 4 Spiral Flutes Design: The four spiral flutes ensure faster and smoother drilling. It feels like cutting through butter with a hot knife.
2. 9 Step Drill Bit: Support drilling diameters, 4mm0.16in, 6mm0.24in, 8mm0.3in, 10mm0.4in, 12mm0.47in, 14mm0.55in, 16mm0.6in, 18mm0.7in, 20mm0.8in.
3. Durable and Long Lasting: Made from M35 cobalt, the step drill bit is highly durable and can withstand prolonged use without wearing out easily.
4. 89HRC Surface Hardness: The step drill bit with 89HRC surface hardness can drill through harder materials and achieve higher drilling speeds.
5. Wide Application: Step drill bit is perfect for stainless steel, metal sheets, wood, plastic, aluminum sheets, copper, and other metal plates.
Specification:
Item Type: Step Drill Bit
Material: M35 + cobalt
Drilling Diameter: 4 6 8 10 12 14 16 18 20mm
Shank Diameter: 14 inch.
Package List:
1 x Drill Bit1 x Storage Box4 Spiral Flutes Design: The four spiral flutes ensure faster and smoother drilling. It feels like cutting through butter with a hot knife.
9 Step Drill Bit: Support drilling diameters, 4mm0.16in, 6mm0.24in, 8mm0.3in, 10mm0.4in, 12mm0.47in, 14mm0.55in, 16mm0.6in, 18mm0.7in, 20mm0.8in.
Durable and Long Lasting: Made from M35 cobalt, the step drill bit is highly durable and can withstand prolonged use without wearing out easily.
89HRC Surface Hardness: The step drill bit with 89HRC surface hardness can drill through harder materials and achieve higher drilling speeds.
Wide Application: Step drill bit is perfect for stainless steel, metal sheets, wood, plastic, aluminum sheets, copper, and other metal plates.
