4″(101.6MM) IADC 537 2 3/8″API REG PIN

• IADC No.: 537
• Bearing/Seal package: Jounal / Rubber o-ring sealed
• Cutting Structure: Hard faced gage and all tooth surfaces
• Gauge Trimmers:  Trimmers
• Nozzle Type: Standard
• Size: 4” ( 101.6mm)
• Connection Size: 2 3/8” API REG PIN                                                                                                                                                                                                                                                                                                                                                                                             Tricone Roller Bits                                                                                                                                            
  ProDrill offers a full line of tricone and bicone bits. Tricone drill bits are available in new and used (re-tip and re-run) steel tooth and tungsten carbide insert, size from 3 3/8”(85.7mm) to 26”(660.4mm) for use in all formations, with any bearing/seal type, and a wide range of additional custom features.Rotary Drilling Tools: 4” IADC Code 537 – Tricone Roller Bit with Tungsten Carbide Insert, Sealed Bearings, carbide side friction protection for semi hard to hard rock formation.

Tricone Drag and Non-Coring Bits 

ProDrill offer a large selection of tricone and bicone roller bits, polycrystalline diamond and drag bits for use in the construction, environmental/geotechnical, geothermal, HDD, mineral exploration, rotary and more.Tricone and bicone bits are available in steel tooth and tungsten carbide insert, sizes from 1 7/8″ to 36″, open bearing, sealed bearing, and journal sealed bearing.4” IADC537 Tricone Bit with Tungsten Carbide Insert-Prodrill. This bit adoptts rubber seal with journal bearing , which can sustain higher WOB under normal rotary speed and is suitable for drilling in formations from very soft to middle hard by properly selecting different cutting structure.                                                                                                                       

Main structure features

(1) Journal bearing: hardfaced head bearing surface . Inner hole of cone is silver-plated. The load capacity and seizure resistance of the bearing is greatly improved.                                                                                                                                                 

(2)O ring seal is made of the more wear resistant and high saturated buna-N with the increased seal section and precisely designed  scaling flange in the cone sealing area has increased the reliability of the seal.                                                                     

(3)All rubber compensation is used which can limit pressure differential and prevent drilling flluid from entering the lubrication system and this provides the bearing system with good assurance of lubrication.                                                                                 

(4)High wear resistance and excellent cutting ability of the insert bit are given full play by using carbide compacts of high strength and high tounghness in combination with optimized compact number and rows, the exposure height and special extended working life of the cutting structure while still maintaining high ROP. 

ProDrill offers heavy duty tricone bits to meet your customized drilling needs. We have classified the bits based on their diameter (footprint), american petroleum industry number (API Number) and international association of drilling contractor number (IADC number). The IADC number further classifies the tricone bits based on the tooth material of construction, suitability for drilling into soft, medium or hard rock and bearing type used. All possible combinations of IADC number for tricone bits are available at ProDrill. 

4” IADC537 Tricone Bit opertating recommendations: