8 3/4" IADC 527 Kingdream drill bits for rocks HAS series for oil well
1.Introduction about us:
Hejian Deris Petroleum Drilling Equipment Co.,Ltd. As the professional supplier of rock bits in China, we can supply all kinds of rock bits, such as PDC bits, TCI bits, rock bits, tricone bits, single cone bits, steel tooth bits, insert tooth bits, roller bits, drill bits, drilling tools etc.
we have been in line with the principle of "faith-based, quality of survival and mutual benefit, provides the highest quality products and attentive service for our customers". We are looking forward to establishing relationships with you in the near future.
2. TCI bits series
1.Tungsten carbide insert bit of high strength and toughness is to increase the impact resistance of cutter and decrease the breakage rate.
2.Widely used in oil exploration, subterranean heat. Hydrology welling drilling and so on.
3.It is almost suitable for hard rocks, such as limestone, dolomite, chert, firm sandstone, and firm anhydrite and so on.
4.According to your request, all sorts of products can be customized.
5.Large quantities of products are in stock to meet your special need.
3.Sizes and types of drill bits we can privide:
60mm,65mm,76mm,93mm,95mm,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”) |
Steel tooth (IADC) | 111, 121,131 117,124,126,127,136,137 211,311 216,217, 227 |
TCI (IADC) | 415,435, 417,437 515,525,535,545, 517,527,537,547 615,625,635,,617,627,637,737 512,522,532,612,622,632,732 |
Bearing Type:
HJ(metal sealed journal bearing)
HA (rubber sealed journal bearing
No- sealed bearing
Packing & Delivery:
Packing: plywood case or wooden case or as customers' requirement
Delivery: within 7 days after order
Payment Terms:
T/T, L/C at sight, western union
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8 3/4" IADC 527 Kingdream drill bits for rocks HAS series for oil well