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20pcs 0.9mm Twist Drill High Speed Steel Bit HSS-4241
Description:
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.
To avoid drill bit break,0.9mm bits should be used with pin vise.
Specifications:
Material : High Speed Steel 4241
Type : N Type 118 degree
Shank / Cutting Edge Diameter : 0.9mm
Cutting Edge Length : 12mm
Total Length : 32mm
Package Content: 20pcs x Twist Drill Bit
Brand | uxcell |
MPN | Does Not Apply |