pdc concave bit

1.Tungsten Sintered Matrix PDC Bits are patented products in our own factory. Licence Number is ZL.2007210017188.6 . They are Initiate Originate Home and Abroad.2.High hardness and high wear-resistance and high efficiency3.Quality complies with GB/T 2001 International Standard according to MT/T786-1998.4.The most competitive price, prompt delivery and good after-sale.PDC non-coring bit use PDC cutters as cutting accessory, which is applicable for drilling soft, Midium hard rocks. It can reduce need for hoisting drill bit so that it have the high drilling efficiency, and it have a long useful life about 10 times more than normal CARBIDE drill bit. It can be widely used in geological exploration, coalfield mining and water conservancy and hydropower, etc.