Product Details

Specifications

tungsten carbide insert bit
1.High quality with reasonable price
2. Fast drilling rate
3. Strong cutting structure durability

metal sealing tungsten carbide insert bit

1.Specifications:

Size	8 1/2”(215.9MM)
IADC	517
Bearing Type	Elastomer sealed journal bearing
Thread Connection	4 1/2 reg pin
WOB(KN/mm)	0.45~1.0
RPM(r/min)	120~50
Applicable Formations	medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc
Circulation system	Mud pump

2.Deatail:

Available sizes:

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”)

3.Available models:

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

FAQ

1. How to order the products?Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.

2. About lead time and shipping time?Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.

3.Can I expect a quality products? Answer :
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.