Drill Bits
Power Screw Bits
TCI tricone rock bits: 1)Certified by ISO9001&API 2))Used for water well, oil field 3)IADC:114-117,127,437,517,617,637.
HSS M35 5% Cobalt Centre Drill Bits
Model Number:417,517,617 ,437,537,637,117,217 Type: rock bit cutter Material:Tungsten Carbide Use: Well Drilling Formation:soft to hard formation Usage:Produce /replace hole opener cutters Bearing type: journal bearing Sealed type:metal sealing /Rubber seal Teeth type: insert button or milled tooth,saw tooth Name:Tci rock bit cutter
1.Tighten the bits when screw on. 2.When the bit lower down to the bottom , Should give a soft pressure, slow drilling .After a drilling 0.2m-0.3m with appropriate pump, then give the conventional drilling. 3.Drilling could not be without water, if not fear the normal vibration sound or drill too slow, lift the drill to check without delay. 4.When drill jammed, withdraw first, should not to force the rig start. 5.Drill could not without water, to ensure that the bit will be too hot. 6.Use the bits in right order , big size first, then small one . 30*35*40cm 45kg
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
