Bi Metal Hole Saw Drill Bit M42 HSS Cutter Drill Bit Metal/Wood/Plaster/Plastic Product Name: Bimetal Hole Opener Material: High Speed Steel / M42 Specification: 15mm / 16mm / 17mm / 18mm / 19mm / 20mm / 21mm / 22mm / 23mm / 24mm / 25mm / 26mm / 28mm / 30mm / 32mm / 35mm / 38mm / 40mm / 42mm / 45mm / 48mm / 50mm / 53mm / 55mm / 60mm / 65mm / 70mm / 75mm / 80mm / 85mm / 90mm / 95mm / 100mm / 105mm / 110mm / 115mm / 120mm / 125mm / 130mm / 135mm / 140mm / 145mm / 150mm / 155mm / 160mm / 165mm / 170mm / 175mm / 180mm
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