Feature:
1. Three-point positioning, good accuracy, high round hole rate.
2. The drill has a chute, which is easier to cool and has a longer life.
3. Good angle, three knife-points and seven knife-edges, easy to drill.
4. Suitable for drilling stainless steel,iron,copper,aluminum,wood and acrylic plate,etc.
5. Applicable to normal gun drill and electric drill.
Specification:
Item Type:Spiral Drill
Material:High Speed Steel
Diameter:4mm /4.2mm /4.5mm(Optional)
Package List:
10 x Spiral Drill Bit
What's in the box
10 x Spiral Drill Bit
