3pcs HSS Titanium Coated Step Universal Drill Bit Set 3-12mm 4-12mm 4-20mm

Features: * brand new and high quality *Made from high quality HSS steel. *New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter. *Heat treated and highly polished. *With the Titanium coated to reduce friction and heat. *Perfect for home DIY and general building / engineering use. *Ideal for using to cut holes in a variety of materials including steel brass wood plastic copper fibreglass and PVC etc. *3 sided shanks design in order to prevent slippage when in chuck. *Two flute design provides faster smoother and cleaner cuts. *Each step is clearly labeled with the depth diameter in steps Specifications: *Material:HSS Steel *Color:As Pictures Show *Finish: Titanium *Length: 3-12mm Length: Approx.5.2cm/ 2.04 4-12mm Length: Approx. 4cm/ 1.57 4-20mm Length: Approx.4.7cm/1.85 The 3 Cutters Come in the Following Sizes: 4-12mm: 4 6 8 10 12mm 4-20mm: 4 6 8 10 12 14 16 18 20mm 3-12mm: 3 4 5 6 7 8 9 10 11 12mm *Quantily:3pcs Package Contents: 3*Step drill bits Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.