Triangle Shank Step Drill 3pcs Large HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter 4-12/20/32mm Tool Drill Bit Titanium coated to reduce friction and heat. Step Drill Bit Large High Speed Steel Cone Drill Bit Metalworking Hole... 3 sided shanks design in order to prevent slippage when in chuck. 6-60mm Large HSS Step Drill Bit Spiral Groove 12 Steps Cone Drill Hole Cutter | UK Heat treated and highly polished. It is very convenient to use for drilling holes in a variety of materials such as steel, brass, wood, plastic etc. HSS Step Drill Bit Titanium Coated Pagoda Straight... – Vicedeal Features:Made from high quality HSS steelIdeal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. 3 sided shanks design in order to prevent slippage when in chuckTwo flute design provides faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in stepsSpecification:Type: Step Drill Dit Material: High Speed SteelCoating: P6M5 Nano Blue CoatingShank: Triangle/HexagonSize: 4-12mm 4-6-8-10-12mm 5 Steps4-20mm 4-6-8-10-12-14-16-18-20mm 9 Steps4-32mm 4-6-8-10-12-14-16-18-20-22-24-26-28-30-32mm 15 StepsPackage Included:Hss Drill Bit Set Hss Drill Bit Set, quality tool for jobs of all sizesTitanium coated to reduce friction and heatHeat treated and highly polished.
