Utoolmart 3.5mm/0.14" Twist Drill with Titanium Coated High Speed Steel Bit
How to Use Twist Drill Bits
*Ensure the left and right cutting edges of the drill are symmetrical when drilling.
*Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit.
Note
*Mini twist drill bit can NOT be used in the impact drill.
Technical Parameters
Material : High Speed Steel M35(HSS-M35) with CO
Surface Treatment : Titanium Coated
Color : Champagne
Type : N Type 135 dgree
Shank / Cutting Edge Diameter : 3.5mm/0.14"
Total Length : 66mm/2.57"
Package Content: 15 x Twist Drill Bit.