DOUGHNUT HOLES - 4528 Annonces

Samedi 04 avril 2020

Quantité : 500000tons - Prix : $5-$200000

The suck rod pumps can be sunk into wells in sequence as follows: barrel is run down to the setting depth on the tubing and then plunger with the standing valve on the rod string. For tubing of same diameter, tubing pumps are always of larger capacity than insert pumps. The tubing...

Samedi 04 avril 2020

Quantité : 500000tons - Prix : $5-$200000

Non-rotating stabilizer(rubber sleeve stabilizer) is able to avoid blade wear and wall damage during. The non-rotating stabilizer consists of mandrel. Copper washer, rubber sleeve, spacer sleeve and self-locking lower sub. During drilling, the non-rotating stabilizer transfers the...

Samedi 04 avril 2020

Quantité : 500000tons - Prix : $5-$200000

Mud pump parts are used on drilling rigs for the circulation of mud. These reciprocating pumps are suited for the process of drilling oil wells. We, at Saigao offer a wide selection of remanufactured, used and new drilling equipment for domestic and international drilling companies...

Samedi 04 avril 2020

Quantité : 500000tons - Prix : $5-$200000

Key Seat wiper Sliding sleeve type key seat reamer consists upper sub, mandrel, lower sub, sliding sleeve and so on, as shown in diagram. The sliding sleeve could move upward or downward and rotate freely on the mandrel, there are several spiral hard alloy blades welded on the sliding sleeve...

Samedi 04 avril 2020

Quantité : 500000tons - Prix : $5-$200000

Features of Polished Bore Receptacle Liner Hanger High quality surface finish on the inner seal bore for optimum sealing property. The top end is chamfered for easy entry. Manufactured to strict roundness and wall thickness tolerances, giving optimum burst and collapse pressure ratings...

Samedi 04 avril 2020

Quantité : 500000tons - Prix : $5-$200000

BW1200/7 slurry pump is horizontal double cylinder reciprocating double action piston pump. The power has electric driving and diesel driving. It also can use hydraulic motor to drive. Customer can choose before ordering. It is applicable for 1500 meters water well drilling, core...

Mardi 31 mars 2020

Quantité : 10000 Piec - Prix : 150-10000 USD

Great bits design and manufacture a wide variety of Matrix body PDC (polycrystalline diamond cutter) bits. Our PDC bits are offered in a variety of sizes, blade count and cutter sizes. The Matrix body PDC bit is sintered with tungsten carbide powder. Gauge protection with natural diamond...

Mardi 31 mars 2020

Quantité : 10000 Piec - Prix : 150-10000 USD

Longer Working Life Hybrid Drill Bits Improve Drilling Effeciency Overview of Hybrid Drill Bit Hybrid drills bits are compounded by the PDC fixed cutting and the roller free cutting structure. The teeth on the cone crush the rock by impact crushing, forming broken pits at the bottom of the well...

Mardi 31 mars 2020

Quantité : 10000 Piec - Prix : 150-10000 USD

Three Blade Wings Drag Rock Drill Bit For soft formations Overview of Drag Bit Drag bit drilling is manufactured from forged high-quality alloy steel and hard alloy, plus state of art welding technology and multiple precision heat treatment to provide the highest rate and longest...

Mardi 31 mars 2020

Quantité : 150-10000 - Prix : 10000 Pieces per Yea

Well Drilling Equipment Crocodile PDC Reamer for Horizontal Drilling Overview PDC Reamer The PDC Reamer manufactured by GREAT China drill bit will be your best choice to deal with the complicated situation. Our PDC reamer brand is Crocodile.GREAT designed the bi-center bit to enlarge...

Mardi 31 mars 2020

Quantité : 10000 Piec - Prix : 150-10000 USD

Single Cone Rock Roller Drill Bit for core barrel pilot bit Overview of Roller Bit GREAT Drill Bits have customized manufacture several types of roller bit. It is including 90 ° U shaped Drill Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit. The 90 ° U-shaped Roller Bit...

Mardi 31 mars 2020

Quantité : 10000 Piec - Prix : 150-10000 USD

We, Cangzhou Great Drill Bits Co. Ltd., specialized in R&D, design, production, and sales various drill bits. The drill bits size from 3" to 26" , HDD Hole opener from 8``- 48`` , Such as PDC bit, Roller bit, Tricone bit, PDC Coring bit, Bi-center bits, Hole opener, etc. The Company...

Vendredi 20 mars 2020

Mounting magnets are comprised of powerful permanent magnets set inside steel cups or channels with countersunk holes or threaded features for holding applications. The steel structure redirects the magnetic field from the back-side of the magnet, making it much more stronger in terms...

Vendredi 20 mars 2020

Are you looking for a reliable artificial tree factory? Brief Introduction of Wall Mounted Artificial Plants Our vertical wall mounted artificial plants are made by two parts: one is plastic panel, the other is all kinds of plastic plants. Now in China, only we do this type of artificial...

Vendredi 20 mars 2020

Quantité : 30,000 sti - Prix : 1USD—100USD

Profile drilling Description Super-hard processing of professional, special, non-standard, special shaped and new products with any kind, any shape and tolerance. If you have any similar inquiry, please fax us your address or call us to get samples in the photos and related catalogue...

Jeudi 19 mars 2020

Quantité : 12, 0000pc - Prix : USD5~30

With long distance wireless charging technology, it is possible to adopt furniture embedded design. This time you not only have to pull off the protective case, but also can charge your phone with a longer distance. Wireless charging furniture is a perfect solution for charging a...

Jeudi 19 mars 2020

Quantité : 12, 0000pc - Prix : USD5~30

Wireless charging furniture redefines wireless charging. The Meree Furniture Wireless Charger is designed to wirelessly charge all your phones, making it easy and high efficient to charge. With a wireless charging built into desk, you can replace messy cables and chargers to get your...

Jeudi 19 mars 2020

One of the common making concrete sleepers is cement railway sleepers, which are made of C50 concrete. In order to ensure the quality, the raw materials used in train track sleepers should meet the requirements and the quality should be qualified. Moreover, the proportion of concrete...

Jeudi 19 mars 2020

What is Sheet Metal Processing? Sheet metal process services or sheet metal fabrication includes: folding, shearing, punching, welding, riveting, splicing and other processes. In general, the process of forming a sheet by hand or mechanical is called sheet metal processing. Sheet...

Mardi 17 mars 2020

Quantité : 200,000 pc - Prix : usd160-500

Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water. Ro membrane technology is one of the most powerful tools to solve the world water crisis. We have rich experiences in RO...

Samedi 14 mars 2020

Quantité : 5000 ton/p - Prix : ＞0.8USD

Product description Hexagon steel tube is the general name of all section shape of steel tube except circular tube. There are welded shaped tubes and seamless shaped tubes. Due to different types of materials, hexagon steel tube generally use 304 material, because 200, 201 material...

Samedi 14 mars 2020

HDI high density interconnect boards, one of the fastest growing technologies in PCBs, are now available at Eolane SCM. HDI interconnect board contains blind and/or buried vias and often contains microvias of .006 or less in diameter. They have a higher circuitry density than traditional...

Samedi 14 mars 2020

We are offering our client an excellent quality range of double sided PCB are available in different thickness and track widths. These are precisely engineered using top quality components and using advance technologies by our experts. Our products are widely recommended by clients...

Vendredi 13 mars 2020

Quantité : 2000sqm/mo - Prix : 500~2000usd/sqm

Indoor and Outdoor Rental LED display, Pitch P1.9, P2.2, P2.6, P2.9, P3.9, P4.8, P5.6, P6.9, share the same cabinet frame, control box and accessories, which help clients set up safety stock and upgrade the screen resolution within budget. Full Front Maintenance, Not only module front service...

Jeudi 12 mars 2020

Most filter paper is made of cotton fibers and is made in different ways for different purposes. Because it's made of fiber, As a result, its surface has numerous small holes through which liquid particles can pass, while larger solid particles cannot. This property allows the mixing...

Mercredi 11 mars 2020

Glass Beads can be used in all water and oil based drilling fluids to reduce torque and drag and to aid in the prevention of differential sticking. They should have no measurable effect on the desired properties of the mud system and can be removed by a desilter or centrifuge. Adding...

Mercredi 11 mars 2020

The high-performance hollow glass microspheres, a kind of ultra-light inorganic non-metallic powder with hollow "ball-bearing" shapes, have been developed into a new type of high-performance lightweight material and widely applied in recent years. It will be the main direction for...

Jeudi 05 mars 2020

Current and voltage sensors Super-Fast Operating Speed Built-in BEC & OSD Full carbon fiber made Small(er) Size Best f4 flight controller This version of the Flip32 AIO uses improved components and design that will properly limit the voltage to the Mini OSD preventing voltage...

Mercredi 04 mars 2020

Playground ball, PVC Playground ball, belonging to Sports ball. Playground ball is a multifunctional ball, because it can be used in many playground games. You can play it as kickball, dodge ball, or just have a friendly catch. And playground ball is not expensive but can also bring...

Mercredi 19 février 2020

Brief Introduction: BM6 high pressure hydraulic motor is a face-end flow, pressure-compensated motor, mainly composed of output shaft, front cover, bearing, long linkage shaft, bearing housing, stator and rotor pair, valve disc, small linkage shaft, distribution plate and preloading spring...