HSS Steel Step Drill Bit 3Pcs 4-32mm | طقم بنط مدرجة كعب سداسى 3 قطع


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 



Finish: Titanium 

Type: Step Drill 

Head Type: Hexagon Shank 

Material: High-speed steel 4241 

Surface Treatment: Titanium coated 


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) 

طقم بنط مدرجة كعب سداسى 3 قطع