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Smoother, faster and chatter-free cutting.
Specification:
Size: 40mm
Shank: 9mm
Blade: 10mm
Total Length: 80mm
Material: Carbide
Color: Blue, Silver
Type: Round Shank
How to use
Choose a drill with a suitable diameter according to the size of the hole to be drilled, install it into the electric drill chuck, Place the middle blade in the center of the hole to be drilled, then a slight tilt and pressure can achieve rapid drilling.
Note:
Please wear protective goggles and gloves,because it's safe for you.
Examine the bits before use for cracks or chips. Do not use damaged or bull bits.
Please make sure that the Bit connections is tight and avoid loosening and causing it to throw out !
Can not be used for cutting metal holes. Before drilling, be sure no nails or other metal objects in wood to avoid causing damage to forstner drill bits.