Twist drill bit with round straight shank, sharp spiral groove.
Used widely to drill the metal(such as 0-10mm Stainless Steel sheet, Aluminum or Iron plate) and marble,etc.
The twist drill bit is used with electrical drilling machine.(here is not included)
Tags:$0 - $20,Cutting Tools,Industrial,Industrial Drill Bits,Metalworking Drill Bit Sets
SizeName - 3.8mmx73mm,4.8mmx83mm