3Pcs Cloth Bag 3-12 4 -12 4-20MM HSS Straight Fluted Pagoda Step Drill Hex Shank Reamer Bit Set Titanium Coated Wood Metal Hole

Features: High-speed steel, high quality with good durability for you to use Professional drill for deburring, chamfering, elliptic hole enlargement Suitable for punch holes through, steel plate, aluminum plate, brass or wood Specifications: Finish: Titanium Type: Step Drill Head Type: Hexagon Shank Surface Treatment: Titanium coated

Length: 5 Step Bit: 4-12mm Length: Approx. 6.7cm/ 2.64\ 9 Step Bit: 4-20mm Length: Approx. 7.4cm/ 2.91\ 15 Step Bit: 4-32mm Length: Approx. 10.2cm/ 4.02\

The Bits Size: 15 Step Bit: 4-32mm (4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm) 9 Step Bit: 4-20mm (4,6,8,10,12,14,16,18,20mm) 5 Step Bit: 4-12mm (4,6,8,10,12mm) Package include: 1x step drill bit