Tungsten Carbide Inserted API Tricone Roller Drill Bit

• Customization: Available
• Customized: Customized
• Standard: API
• Model NO.: 3 1/2′′ -18′′
• Length: Jobber-length
• Type: Tricone Roller Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Condition: New
• Thread Connection: 2 3/8, 2 7/8, 3 1/2, 4 1/2, 6 5/8, 7 5/8API Reg
• Tooth Type: TCI
• Bearing: Rubber Sealed Journal Bearing
• Transport Package: Plywood Case
• Specification: API
• Trademark: Miracleland
• Origin: China
• HS Code: 8207191000
• Production Capacity: 20000PCS/Year

Product Description

Product Description

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 compensator is used which can limit pressure differential and prevent drilling fluid 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 toughness in combination with optimized compact numbers androws, the exposure height and special shaped compacts. For steel tooeh bit, the tooth surface is hard faced with new type of wear resistant material and thus has extended working life of the cutting structure while still maintainina hiah ROP.

  

Size

 

Bit Size		Bit Type
in	mm
3 1/2	88.9	CR527
4 5/8	117.5	CR126 CR517
4 3/4	120.7	CR116
5 7/8	149.2	CR216 CR537 CR547 CR637
6	152.4	CR117 CR216 CR246 CR517 CR547
6 1/4	158.8	CR127 CR247 CR517 CR527 CR547 CR637
6 1/2	165.1	CR127 CR217 CR517 CR537
6 3/4	171.5	CR116 CR447 CR537
7 1/2	190.5	CR127 CR217 CR517 CR527 CR617
7 7/8	200	CR117 CR437 CR517 CR527 CR537 CR547 CR617 CR627 CR637
8 3/8	212.7	CR217 CR527 CR547
8 1/2	215.9	CR117 CR127 CR137 CR217 CR247 CR437 CR447 CR517 CR527 CR537 CR547 CR617 CR627 CR637
8 3/4	222.3	CR116 CR437 CR517 CR537 CR627
9 1/2	241.3	CR117 CR127 CR417 CR437 CR517 CR527 CR537 CR547 CR617
9 5/8	244.5	CR117 CR127 CR137 CR217 CR437 CR517 CR527
9 7/8	250.8	CR117 CR127 CR137 CR217 CR417 CR437 CR517 CR527
10 5/8	269.9	CR127 CR217 CR437 CR517 CR547
11 5/8	295.3	CR117 CR127 CR137 CR217 CR147 CR517 CR537 CR547
12 1/4	311.2	CR117 CR127 CR137 CR417 CR437 CR517 CR527 CR537 CR547 CR617 CR627 CR637
13 5/8	346.1	CR437 CR517 CR537
13 3/4	349.3	CR437 CR517 CR537
14 3/4	374.7	CR117 CR127 CR137 CR517 CR527
15 1/2	393.7	CR127 CR217 CR517 CR527 CR537 CR547
16	406.4	CR117 CR127 CR517 CR527 CR537 CR547
17 1/2	444.5	CR117 CR127 CR137 CR437 CR517 CR527 CR537 CR547
18	457.2	CR547

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