Description:
How to use the Twist Drill Bit:
When drilling, make sure the left and right blade edge of the drill is symmetrical
Observe spark uniformity during drilling, adjust pressure in time and pay attention to the bits cooling.
Note:
Mini twist drill bit is not for use with impact drills.
Specifications:
Material: M35 high-speed steel (HSS-M35), CO.
Surface treatment: titanium coating.
Color: Champagne
Type: N type 135°C