4-12 4-20 4-32 MM HSS Titanium Coated Step Drill Bit Drilling Power Tool Metal High Speed Steel Wood Hole Cutter Step Cone Drill Drills Drivers
4-12-4-20-4-32-mm-hss-titanium-coated-step-drill-bit-drilling-power-tool-metal-high-speed-steel-wood-hole-cutter-step-cone-drill-drills-drivers


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 sheet metal, steel plate, aluminum plate, brass or wood


This drill bit set includes 3 sizes(4-12mm, 4-20mm, 4-32mm), which meet your different needs perfectly




Specifications:


Finish: Titanium


Type: Step Drill


Head Type: Hexagon Shank


Material: High-speed steel 4241


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 3 Bits Sizes:


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








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