Description:
A twist drillis a tool that cuts a round hole of a workpiece by rotary. It is named afterits flute shaped like a spiral. Twist drills can be used in manual, electrichand-held drilling tools, milling machines, lathes and even machining centers.The bit material is generally a high speed tool steel or a hard alloy.
 
Features:
Sharp twisteddrill bits will make the drilling easier and more effortless.
Through heattreatment, stainless steel, tool steel, and other workpiece that are difficultto process, can be processed by these twisted drill bits.
High speedsteel to obtain high hardness, high wear resistance and high toughness.
Suitable foraluminum, wood, malleable and deep hole drilling.
Can be used inmanual, electric hand-held drilling tools, milling machines, lathes and more.
 
Specifications:
Material: Highspeed steel
SurfaceTreatment: Titanium plating
Color: Gold
Quantity:60pcs

Diameter: 1-5.79mm / 0.040-0.228in
Length: 41-98mm / 1.61-3.96in(The detailed size of drill bits are shown in product picture)
Weight:Approx. 648g
 
PackageIncludes:
60 x TwistDrill Bits
1 x Black IronBox