10Pcs Multifunctional Black Triangular-overlord Handle Drill Bits Marble Perforator Ceramic Tile Drill
Made of fine quality material, low resistance, high hardness, improving work efficiency.
The design of triangle shank makes the clamping more tight and does not slip.
U-shaped spiral groove- is smooth and flat, and the drilling is smoother.
Strong toughness and wear resistance, can be installed in electric drills.
Provides smooth and accurate drilling in tile, glass, brick wall, wood and so on.
1/8*3\" (80mm) 2 pieces
1/4*4\" (100mm) 2 pieces
1/4*6\" (150mm) 2 pieces
5/16*6\" (150mm) 1 piece
3/8*6\" (150mm) 2 pieces
1/2*6\" (150mm) 1 piece
Product packaging: plastic box
Packing size: 5*3.5*18cm
Please try to keep the drill vertical and use WATER or COOLANT for lubrication when drilling.