Description of Jucoan Counter Pointed Chamfer Plastic
Set includes 14 pcs of countersink drill bits (size:3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm) and 1 pcs Hex Key Wrench to help assemble. Made of high quality carbon steel material, high hardness, sharp blades, ideal for cutting through metal, wood and plastic quickly and easily. Three-pointed designed drills helps to quickly and accurately drill a smooth clean hole. Suitable for bench drill, hand drill and conventional electric drill. Very convenient to change the bits with the included mini hex wrench which loosens and tightens the bits to hold and release as needed. Perfect for drilling of thin aluminum board, wood board, PVC board, plastic, rubber and other insulation board.