Features

• Spiral groove with acute angle of squee.
• Cobalt high-speed steel is superior to high-speed steel in heat resistance and abrasion resistance.
• Hexagonal shaft type for rechargeable drills.
• Cheeky tip, no need for center punch.
• Prevents welding of chips for a long life.
• Drilling, pilot hole enlargement, correction, chamfering, supports various diameters with one piece.
• Supports various applications and materials such as thin steel plates, pilot holes for wood screws, curved surfaces of pipes, etc.
• Do not use on heat-treated metal plates.
• Workers must wear protective equipment such as dust-proof glasses, safety shoes, dust-proof mask and earplugs.
• Use the model for ironwork (rotation only) referring to the appropriate number of revolutions indicated in the instruction manual.