Description :

1. Two-flute drill need to be grinded once a side and always keep the drill head parallel with grindsotne axle.
2. Sharpen drill head as well, Adjust and double check the direction of drill is right turn before lock the spin hex-axle on the electric drill.

Specification :

1. Shank Size: 1/4" Hex

2. Standard Rotation Rate: 2,000-3,500 rpm

3. Workable Range: 2.0 to 12.5 mm

4. There are 3 slots(drill guides) to suit in 2.0 mm to 5.0 mm, 5.0 mm to 8.0 mm & 8.0 mm to 12.5 mm Twist Drill range.

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