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MNQ 1pc
Port: Tianjin seaport/China or as you like
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 800 Piece/Pieces per Month as your order
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: Plywood cases.
Delivery Detail: 7 workdays after conforming your order
Tricone bit:
Main structure features
1.journal bearing. hardfaced head bearing surface.cone bearing inlaid with friction reducing alloy and then silver plated.the load capacity and seizure resistance of the bearing is greatly improved.
2.o-ring seal is made of the more wear resistance high saturated buna-N with the section and precissely designed sealing flange in the cone sealing area increased the reliability of the seal.
3.the bit bearing is ball which can be applied to high rotary speed drilling.
4.all rubber compensator is used which can provides the bearing system with good assurance of lubrication.
5. new type of grease that can sustain high temperature up to 250C is utilized.
6.high wear resistance and excellent cutting ability of the insert bit are given full play by using carbide compacts of high strength and high touhness in combination with optimized comjpact numbers and rows,the exposure height and special shaped compacts.
size: from 2-3/5"(60mm)---26"(660.4mm)
type:417,437,517,537,617,637,...........
437Soft Formation TCI Tricone Bits
The 437 tcli bits are used to drill low compressive strength,very soft formations.TCI bits maximize the use of bothconical and chisel tungsten carbide inserts of large diameters and high projection.This cutting structure design,combined with maximum cone offset,results in high bit penetration rates.The deep intermesh of cutter rows prevents bit bailing in sticky formations.
Bit size | Inch(in) | 5 7/8 | 6 | 61/8 | 6 1/4 | 7 7/8 | 8 3/8 | 8 1/2 | 8 3/4 | 9 1/2 | 9 5/8 | 9 3/4 | 9 7/8 | 12 1/4 | 13 3/4 |
Metric(mm) | 149.2 | 152.4 | 155.6 | 158.7 | 200.0 | 212.7 | 215.9 | 222.2 | 241.3 | 244.5 | 247.3 | 250.8 | 311.1 | 349.2 | |
Bit type | 437 | 437 | 437 | 437 | 447 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | |
517 | 517 | 517 | 517 | 517 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | ||
537 | 537 | 537 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | ||||
617 | 617 | 547 | 537 | 537 | 537 | 537 | 537 | 537 | 537 | 537 | |||||
637 | 637 | 617 | 617 | 617 | 617 | ||||||||||
637 | 637 | 637 | |||||||||||||
API Regular Pin (in) | 3 1/2 | 4 1/2 | 6 5/8 | ||||||||||||
Recommended make-up torque for bit shank (KN.m) | 9.50-12.2 | 16.30-21.70 | 37.93-43.30 |