1. The water circulation, elastomer&mental-face sealed roller bearing tricone bit . 2. Sy/t5217-2000 and api spec7-1 standard; 3. Gauge protection extend period of using life ons for water well and oilfield 7. The size range from 3 7/8 to 22. Wooden box
Drill Bits
Power Screw Bits
HSS M35 5% Cobalt Centre Drill Bits
HSS M35 5% Cobalt Step Drill Bits Set, Amber FINISHED, 3PCS:4-12, 4-20-4-32MM
170PCS HSS TWIST DRILL BITS SET, 118 DEGREE, DIN338, BLACK FINISHED IN METAL BOX. 1.0-8.0MMX0.5, EACH 10PCS 8.5-10.0MMX0.5, EACH 5PCS.
HSS M35 Cobalt 5% Twist Drill Bits SET, 1.0-10.0X0.5MM, 135 SPLIT POINT, DIN338 STANDARD, Amber Finishing,rose Plastic Box Packing
We specializes in drill bits, drill pipe, Mud pump and stabilizers for water well, oil field, construction, geothermal, directional boring, and underground foundation work all over the world. Our purpose is to sell the best quality products at the lowest possible price. We are professional supplier of new and used(rebuilt) drill bits used for oil filed, water well. Including tricone bits,PDC bits and drill pipe. Various of model and dimension available. Good condition and reasonable price. Product Description: Steel teeth Bits 114-117, 127 Soft Formation Tooth Bits The 114-117 bits are used to drill low-compressive strength, soft formation. Long projection tooth lengths are used on high offset cones to provide the greatest penetration rates possible. Wear-resistant hard facing is used to control tooth wear. On the softest bits type this hard facing completely covers the bit teeth. 127 Medium-Hard Formation Tooth Bits The 127 bits are used to drill high-compressive strength, medium hard formations. Short projection teeth with reduced crest length are used in this series of bit designs. Durable hard facing is applied to reduce tooth wear. Medium hard with high compressive strength and hard streak (hard shale ,sandstone , limestone, etc.) 437 Soft Formation TCI Tricone Bits The 437 TCI bits are used to drill low compressive strength, very soft formations. TCI bits maximize the use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, result in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations. 517 Medium Formation TCI Tricone Bits The 517 features aggressive chisel tungsten carbide insert on the heel rows and inter rows. This design provides a fast drilling rate and added cutting structure durability in medium-to-medium hard for-mationes. The HSN rubber O-ring provides adequate sealing for bearing durability. 637 Hard Formation TCI Tricone Bits The 637 bits can be used to drill hard and abrasive forma-tions. Wear-resistant tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers of hemispherical-durability and long life. 617 Medium-Hard Formation TCI Tricone Bits The 617 feature robust chisel tungsten carbide inserts on the heel row and conical on the inner rows. This design provides a fest drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-rin provides adequate sealing for bearing durability. Plywood case or according to the conform order.
Products advantage A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.
