Jutagoss 3.4mm Twist Drill High Speed Steel Bit
Technical Parameters
Bit Diameter: 3.4mm / 0.13 inch
Shank Diameter: 3.4mm / 0.13
Material: High Speed Steel 4241
Surface Treatment: Grind and Heat Treatment
Color: Silver
HRC: 62-63
Package Content
10 Pcs x Twist Drill
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.