Drill Bit, Saw Blade, Milling Cutter manufacturer / supplier in China, offering 6-40*230mm Length Wood Auger Twist Drill Bit with Hex Shank for Woodworking Deep Hole Drilling, HSS M2 Center Drill Bit Titanium Coated BS2 BS3 BS4 BS5 for Metal Drilling, M14 50mm Brazed Diamond Beveling Chamfer Bits Cone Milling Bit for Tile Ceramic Holes Trimming and so on.