.

Mining 12 1/4inch tci tricone three cone rock roller drill bit for rock drilling

Bit Size 12 1/4"(311.1MM)
IADC Code 537G
Connection 6 5/8"API reg pin
Nozzle Qty 3NZ
Make up Torque(KN.m) 16.3~21.7
Operating Parameter
Rotary Speed(rpm) 80~40
Weight on Bit(KN/MM) 0.5~1.2
Formation Hard formation with high compressive strength ,such as limestone,sandstone,dolomite,hard gypsum,marble,etc.


Cutting Structure
The wear-resistance of the teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for the steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit

Gauge Structure
Multiple gague protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capacity and bearing life.

Bearing Structure
High precision journal bearing with two thrust faces,Balls lock the cone.Hardfaced head bearing surface.Cone bearing inlaid with friction-reducing alloy and then silver-plated.Abrasion resistance and seizure of the bearing are improved.and suitable for high rotary speed



Send product request

To: Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd.
Your E-mail:
Message text:


Send to other suppliers

Other supplier products

7 7/8 IADC537 tci tricone bit for water drilling
7 7/8" IADC537 tci tricone bit for water drilling BasicalParameter Bit Size 7 7/8"(200MM) IADC Code 537 Connection 4 1/2"API reg pin R...
10 5/8 inch milled tooth tricone drill bit
10 5/8 inch milled tooth tricone drill bit BasicalParameter Bit Size 8 1/2"(216MM) IADC Code 127 Tooth Type Steel /Milled Tooth Bea...
6 1/2'' Water well drilling sealed bearing tricone bits
6 1/2'' Water well drilling sealed bearing tricone bits Size 6 1/2 inch Gross Weight 21kg IADC 537 Threadconnection 3 1/2 API REG PIN WOB...
8 3/4'' Steel tooth drill bit with sealed bearing roller bit
8 3/4'' Steel tooth drill bit with sealed bearing roller bit BasicalParameter Bit Size 8 3/4"(222.2MM) IADC Code 127 Tooth Type Steel /Milled Tooth ...
Factory directly sale 9 1/2 inch tungsten carbide insert tricone bit
Factory directly sale 9 1/2 inch tungsten carbide insert tricone bit BasicalParameter Bit Size 9 1/2"(241.3MM) IADC Code 537 Connection 6 5/8"API reg pin Nozzle Qty 3NZ Make up Torq...
All supplier products

Same products

Sinodrills T38 T45 T51 rock drill button bits
Sinodrills T38 T45 T51 rock drill button bits Seller: 844239 SINODRILLS Threaded Button Bits With the top quality of alloy steels imported from USA and the b...
SF1 Smart Scale
SF1 Smart Scale Seller: Shenzhen Yan Xing Science & Technology Co., Ltd. SF1 Smart Scale SF1 is our star smart body fat analysis scale. This body fit smart scale has a s...
Mining and Minerals
Mining and Minerals Seller: Bolian filtration solutions Filter Fabric Used in Mining and Minerals Markets Applications One of the key points in energy...
About Grinding Steel Balls grinding medias
About Grinding Steel Balls grinding medias Seller: Shandong Jinchi heavy industry joint-stock Co., LTD We are a professional factory producinggrinding mediasabout 25years since1995with ISO9001,OHSAS18...
About Grinding Steel Balls
About Grinding Steel Balls Seller: Shandong Jinchi heavy industry joint-stock Co., LTD DearManager: This isLeofromShandong Jinchiheavy industry joint-stockCo., LTD in China. We are a...