N/a manufacturer / supplier in China, offering 12*70*10*70mm Precision Forstner Split Drill Bit for Woodworking Door Lock Hinge Boring Bits Hole Opener 3 Spiral Flutes, 3 Flute Forstner Drill Bits for Woodworking Hole Opener for Hinge Boring Bits Door Lock, 10*37*12.5*70mm Factory Tungsten Carbide Tip Tct Wood Core Drilling Tools Wood Hole Cutter Straight / Hex Shank Wood Hole Saw and so on.