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METAL SEALED journal bearing TCI/Milled tooth TZ tricone roller bits for oil drilling rig
| Model No. : | 215.9mm |
|---|---|
| Brand Name : | TZ |
Product description
| Elaborate Technical Parameters for Tricone Bit
| |
IADC code | IADC127 |
Bit diameter | 8 1/2(in) ; 215.9(mm) |
Tooth type | carbon steel |
Standard | API 7-1 |
Connection thread | 4-1/2"API. REG PIN |
Material | High carbon steel, inlaid friction-reducing alloy |
Rotatary speed | 250-60 r/min |
Bit pressure | 0.35~1.0 KN/mm |
Lubrication and seal | Adopt advanced grease |
Pressure control system | The pressure compensator |
Thrust faces | Hardfaced with wear resistant alloy |
Jet nozzles | Three nozzles(Center nozzle can be customized) |
Multiple gauge protection | Yes |
Gauge protection | On the Shirttail: More carbide inserts increase gauge holding capability and bearing life. |
Bearing | elastomer sealed roller bearing |
Industrial standard of China | SY/T5164 |
Quality management system | ISO 9001-2008 |
Bit dimension(mm) | 255*255*400 |
Bit weight(N/W,G/W)kg |
40/42 |
Siruite Company Info: Urumqi siruite rock drilling tools company is located in Urumqi city,and branch-office in Hejian city of Hebei province. We owes the most convenient transportation no matter by sea,by air or by land. it's specialized in producing and supplying various of TCI/MT Tricone Rock Bits, Diamond PDC Bits with general,good,high quality three classes. Tricone bits ,hole openers can be used to explore /drill gas/oil/geothermal/water wells. 3 7/8”~26” are available for Tricone bits. 4 1/2"~17 1/2" are available for Diamond PDC bits. 76mm, 98mm(3 7/8"), 101.6mm, 114mm, 118mm, 120mm, 127mm(5") ,130.1mm(5 1/8"), 133.3mm(5 1/4"), 139.7mm(5 1/2"), 142.8mm(5 5/8"), 149.2mm(5 7/8") ,152.4mm(6"), 155.5mm(6 1/8"), 158.7mm(6 1/4"), 161.9mm(6 3/8"), 165.1mm(6 1/2") ,190.5mm(7 1/2"), 193.6mm(7 5/8"), 200.0mm(7 7/8") ,212.7mm(8 3/8"), 215.9mm(8 1/2"), 222.2mm8 3/4") ,241.3(9 1/2"), 244.4(9 5/8"), 250.8(9 7/8") ,269.8(10 5/8"), 295.3(11 5/8") ,311.1(12 1/4"), 346.0 (13 5/8"), 349.2(13 3/4") ,374.6(14 3/4") ,381(15"), 393.7(15 1/2"), 406.4(16") ,444.5(17 1/2"), 508(20"), 558(22"), 609.6(24") ,660.4(26") |
-----When you inquiry, please list main information like below----- 1) Bit size(diameter) 2) IADC CODE 3) To drill which kind of well, such as:oil,gas,water,geothermal well,ect. 4) Drilling formation Used or new condition 
Notice: If you have special need on the bits,we will customize according to your demands ! Send your inquiry to this supplier
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