... field of petroleum bit, coalfield and geological drilling, etc. 4,Available size: (D*H)0804, 0806, 0807, 0808, 08111004, 1008, 1016 ... , 1622, 1625, 18241908, 1913, 1916, 1919, 1920, 1925, 1929, 24285,Different shape of PDC we offer: U series, W series, M series ... , Spherical series, Conical series, Wedge series. Other D*H and shape is available as per your request.Contact details: pcd diamond inserts