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Tungsten Carbide Insert TCI Tricone bits 8 1/2 inch sealed bearing for Australian Mining Drilling

Tungsten Carbide Insert TCI Tricone bits 8 1/2 inch sealed bearing for Australian Mining Drilling

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Brand Name :ROSCHEN
Model Number :SECOROC COP54
Certification :API
Place of Origin :China
MOQ :Negotiable
Price :negotiate
Supply Ability :10000pcs/M
Packaging Details :Wooden box
Delivery Time :5~15days
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Tungsten Carbide Insert TCI Tricone bits 8 1/2 inch sealed bearing for Australian Mining Drilling


The tricone drill Bit is the most versatile drill bit on the market. It is the go to drill bit in most styles of drilling. ROSCHEN Tools always has the right Tri Cone Drill Bit for you no matter when you are drilling a water well or an oil well.

ROSCHEN offers new steel tooth and tungsten carbide insert tri cone bit in sizes from 3 1/2" – 26", with open or sealed bearings, regular or jet circulation, and a wide range of additional custom features for ideal performance in any formation. Tri cone bit can be customized optimize penetration rates and bit life in particular formations and under specific operating weights and rotation speeds.

Tungsten Carbide Insert TCI Tricone bits 8 1/2 inch sealed bearing for Australian Mining Drilling

Tricone Drill Bit features

1. Cutting Structure of this type sealed and non-sealed TCI tricone bits :

The wear-resistance of teeth is enhanced with premium tungsten carbide hard facing on the tooth surfaces for steel tooth bit.

2. Gauge Structure of this type TCI tricone rock bits :

Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hard-facing on the shirttail increases gauge holding capability and bearing life.

3. Bearing Structure of this type TCI tricone rock bits :

High precision roller bearing with two thrust faces. Ball lock the cone. Thrust faces hard-face with wear resistant alloy. Abrasion resistance and seizure resistance of the bearing are improved.

Tricone Roller Drill Bits Specifications
Bit Diameter API PIN
(inch) (mm)
3 7/8''~5 1/4'' 98~134 2 3/8''. 2 7/8''
5 5/8''~6 3/4'' 143~171 3 1/2''
7 1/2''~9 1/2'' 190.5~241 4 1/2''
9 5/8''~13 3/4'' 245~350 6 5/8''
14 5/8''~26'' 371~660.4 7 5/8''

IADC CODE SELECTION LIST
IADC WOB RPM Application
(KN/mm) (r/min)
111/114/115 0.3-0.75 200-80 very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk
116/117 0.35-0.8 150-80 very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk
121 0.3-0.85 200-80 soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone
124/125 180-60
131 0.3-0.95 180-80 soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds
136/137 0.35-1.0 120-60
211/241 0.3-0.95 180-80 medium formations with high compressive strength, like medium, soft shake, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds.
216/217 0.4-1.0 100-60
246/247 0.4-1.0 80-50 medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite
321 0.4-1.0 150-70 medium abrasive formations, like abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble
324 0.4-1.0 120-50
437/447/435 0.35-0.9 240-70 very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk, gypsum, salt, soft limestone
517/527/515 0.35-1.0 220-60 soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone
537/547/535 0.45-1.0 220-50 soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds
617/615 0.45-1.1 200-50 medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite
637/635 0.5-1.1 180-40 hard formation with high compressive strength, like limestone, sandstone, dolomite, hard gypsum, marble
Note: Above limitts of WOB and RRPM should not be used simultaneously

For more information please contact:

ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

Email: roschen@roschen.com ; roschen@roschen.net

Website: http://www.roschen.com ; http://www.roschen.net

China Tungsten Carbide Insert TCI Tricone bits 8 1/2 inch sealed bearing for Australian Mining Drilling for sale

Tungsten Carbide Insert TCI Tricone bits 8 1/2 inch sealed bearing for Australian Mining Drilling

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