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-10 pieces of straight flute taps
The chip removal is enhanced
This effect is particularly significant when machining viscous materials (such as aluminum and stainless steel)
precise positioning
No Deflection
BB Pro Drill for Stainless Steel 5D Hole Making Efficiency Bit External Internal Cooling 1mm-11.7mm Hole Diameter:4.5x36x74x6 -10 pieces of straight fluteBB SUS Drill Please note that there are two types of drill bits: internal cooling (with cooling holes) and external cooling (without cooling holes). Please be careful to select when placing an order. Stainless Steel Buster Effortless drilling suitable for 304 Stainless Steel, High Hardness Steel Bar, Thick Steel Plate, Galvanized Iron Pipe, etc. Multiple Options External CoolingCenter through hole, better cooling effect, increased service life.