With professional and productive factory, HAINAISEN is one of the leading China tire body pdc drill bit manufacturers. Welcome to wholesale tire body pdc drill bit from us, we always have cheap products to offer you. 1.Specifications 1.Advanced cutting structure 2.High performance PDC cutter 4.suitable for different formation 5.delivery on time 6.Wear resistance 7.Impact resistnace toughness 2.Bit Size: 4 1/2"-- 17 1/2''(114mm--444.5mm) Blades: 3--9 Blades Nozzles: according to your requirement PDC Cutter: 1913,1613,1313 and so on Rotary speed:60-300 rpm Delivery terms:within 3 days after the payment Package: Wooden Boxes. as custoemrs requirements OEM: OK, We can make kinds of PDC bits according to customers' requirements http://www.pdcoiltool.com