Double Rows Matrix PDC bit for Mining with High Stable Quality

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Quick Details

Machine Type:

Drilling Tool

Material:

Carbide

Use:

Well Drilling

Packaging & Delivery

Packaging Detail:	wooden box
Delivery Detail:	within 7 days after payment received

Specifications

1.Certified by API & ISO 9001 2. Stable and reliabe quality 3. Timely delivery 4. Large inventory, MOQ 1 pc always available.

Our Advantages:

1. Force balanced, resist impact to the blade during high speed drilling, to make bit work stable.

2. Plus wear knot section, reduce collision in the high-speed rotional vibration.

3. Patented matrix formulation, extended bit life.

4. Optimal hydraulic design, easy to move out the drill cuttings and cooling.

5. Equipped with back reaming teeth.

6. The cutter is high performance to increase the ability of anti-impact and anti-abrasive.

Specification:

Size	Number of Blades	Cutter Size	API Conn
5 1/2”	3 Blade	13mm	2 7/8” API REG
5 5/8”	Flat Face	13mm	2 7/8” API REG
5 5/8”	3 Blade	13mm	2 7/8” API REG
5 5/8”	3 Blade	13mm	3 1/2” API REG
5 7/8”	Flat Face	13mm	3 1/2” API REG
5 7/8”	5 Blade	13mm	3 1/2” API REG
6”	5 Blade	13mm	3 1/2” API REG
6 1/8”	5 Blade	13mm	3 1/2” API REG
6 1/4”	5 Blade	13mm	3 1/2” API REG
6 1/2”	5 Blade	13mm	3 1/2” API REG
6 3/4”	5 Blade	13mm	3 1/2” API REG
7 7/8”	5 Blade	13mm/16mm	4 1/2” API REG
7 7/8”	6 Blade	13mm/16mm	4 1/2” API REG
8 1/2”	5 Blade	13mm/16mm	4 1/2” API REG
8 1/2”	6 Blade	13mm/16mm	4 1/2” API REG
8 3/4”	5 Blade	13mm/16mm	4 1/2” API REG
8 3/4”	6 Blade	13mm/16mm	4 1/2” API REG
9 7/8”	6 Blade	16mm	6 5/8” API REG
11”	6 Blade	16mm	6 5/8” API REG
12 1/4”	6 Blade	16mm	6 5/8” API REG

Q: Why does the surface of stainless steel casting mirror mirror ripple?: The surface can be improved by a little more than Xiasha

Q: What is normalizing, annealing, tempering, quenching? What is the difference between forging parts and casting parts?: According to the requirements of the workpiece annealing, there are many kinds of annealing process specifications, such as full annealing, spheroidizing annealing and stress relieving annealing. Steel the steel quenching is heated to the critical temperature Ac3 (hyposteel) or Ac1 (hypereutectoid steel) above a certain temperature, holding time, so that all or part of 1 Austenitic, then the cooling rate is greater than the critical cooling rate of fast cooling to below Ms (or near Ms isothermal) of martensite the body (or bainite transformation) heat treatment process. Aluminum alloys, copper alloys, titanium alloys, tempered glass and other materials are usually treated by solid solution or heat treatment with rapid cooling process. Tempering is a heat treatment process where the workpiece is hardened and heated to a temperature below AC1, which remains cool for a certain period of time and then cools to room temperature. Tempering generally followed by quenching, the purpose is: (a) to eliminate the residual stress caused by quenching, prevent deformation and cracking; (b) hardness, strength, plasticity and toughness of workpiece is adjusted, to use performance requirements; (c) the size of organization and stability, ensure the accuracy improvement; (D) and to improve the processing performance. Tempering is therefore the last important step in obtaining the desired properties of the workpiece. According to the tempering temperature range, tempering can be divided into low temperature tempering, medium temperature tempering and high temperature tempering. This answer is recommended by the questioner

Q: Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?: The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot

Q: How much is the amount of electrophoretic paint per square meter used in the casting?: It was a very simple question, and it was complicated by what you said.

Q: What's the density of the cast iron? The density is thin and the density is thin: Uneven casting density is caused by uneven shrinkage of the casting during solidification.

Q: How do you mark it on the drawing? Do you need to discuss it with the manufacturer?Because the casting allowance is the standard, then, after all, is the theoretical value, the actual level depends on the manufacturer, so is it necessary to ask the manufacturer?: Casting parts do not need to provide drawings of casting blank, the casting factory according to your drawings in the required surface will be sufficient allowance, and the rest of the size according to the mechanical design manual and the casting manual can be found.

Q: Cause of choking of casting parts: Choke fire is the process of pouring a large number of gases can not be discharged smoothly, boiling in the metal liquid, resulting in a large number of castings in the pores, and even incomplete casting defects

Q: What foundry factories are used in the casting parts of China's major automobile manufacturers?: This is too muchYou do not have a specific list of statistics, but there are many foundries in china!Moreover, car prices are unlikely to be ordered in the local factories!

Q: Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!: Valve sand core mold drying is not in place, excessive water content

Q: What reason is the bronze statue choking fire?: The casting process in boiling phenomenon, is the setting of the exhaust hole positioner position or number is not reasonable, the air cavity can not be discharged, overwhelmed by a material inlet, reflux, change mould, sincerely help you look forward to adopt,

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