Quality Cutter Core Wood Metal Hole HSS Step Drill Straight Groove Step Drill Bit Titanium Coated

Label:Yes Surface: Nitrogen treatment (increasing the hardness and abrasion resistance) Color: Gold/Silver 5-35mm (13 steps: 5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35mm) Size: As show Scop: thin iron plate, aluminum, insulation panels, PVC panels 5mm thickness within the timber Shank: Hexagon/Round Shank Material: High Speed Steel Features: 1. This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter. 2. which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat. 3. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

Package included: 1 x 5-35mm Round Shank Step Drill