HSS Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Drilling Tools Set 4 Models 3-12 4-12 4-20 4-32 |

HSS Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Drilling Tools Set 4 Models 3-12 4-12 4-20 4-32 |

Features

100% Brand New and High Quality

Made from high quality HSS steel

Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

Titanium coated to reduce mit and heat

Heat treated and highly polished. Drills perfectly round holes in steel, brass, plastic, wood etc.

Function

Deburring, Chamfering, Cutting or expanding holes

Supporting tools: Pistol drill, Hand drill, Charging drill, Bench drill.

Length:

3-12mm Length: Approx. 7.8cm

4-12mm Length: Approx. 6.5cm

4-20mm Length: Approx. 7.7cm

4-32mm Length: Approx. 10.0cm

Hexagonal handle diameter: 6.35mm

Sizes:

3-12mm:(3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm) 10 Steps

4-12mm:(4mm, 6mm, 8mm, 10mm, 12mm) 5 Steps

4-32mm:(4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 15 Steps

4-20mm:(4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 9 Steps