thread drilling bit from China R32 T38 for hardness rock

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Tianjin
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20 pc
Supply Capability:
10000 pc/month

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Product Description:

 

We are specialized in rock drilling toolssuch as taper button bit, thread button bit, Integral drill rod, DTH bit, DTH hammer, Air leg rock drill, Excavator Mounted rock driling and splitter, expansive mortar.

 

Product:

Thread Button Bits: High quality and several thread with various carbide tips like YK05 are available. All products can be developed upon customers' request. Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year, Offers industry-leading strength and penetration rates for more productivity, Excellent straightness and hole clean quality, Get max. drilling performance for rock drills with long life to save up fuel cost rate. 

thread drilling bit from China R32 T38 for hardness rock

 

Description of button bit:

Our company supply all kind of button bits with Rope thread

R32-43MM, R32-45MM, R32-51, R32-64, R32-76;

T38-64, T38-76MM, T38-89, T38-102MM;

T45-76MM, T45-89MM, T45-102MM;

T51-89MM, T51-102MM, T51-127MM etc.

all face design, flat face, drop-center face, normal body and retrac body.more

 

Specification of button bit:

Thread

Diameter range

Skirt Design

Face Design

Button Design

R22

35 – 45mm

Normal

Flat Face
Drop Centre

Hemispherical
Ballistic

R25

33 – 57mm

Normal

Flat Face
Drop Centre

Hemispherical
Ballistic

R28

36 – 51mm

Normal

Flat Face
Drop Centre

Hemispherical
Ballistic

R32

41 – 89mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

R35

48 – 51mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

R38

64 – 102mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

T38

57 – 102mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

T45

70 – 127mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

T51

76 – 140mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

T60

89 – 140mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

ST58

89 – 140mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

GT60

93 – 140mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

ST68

102 – 152mm

Normal
Retrac

Flat Face
Drop Centre

Hemispherical
Ballistic
Conical

 

thread drilling bit from China R32 T38 for hardness rock

thread drilling bit from China R32 T38 for hardness rock

 

Company Profile:

CNBM is the largest state-owned enterprise in China building material & equipment industry. Up until October of 2011, our total assets exceeded RMB 190 billion, with 130,000 employees and over 300 subordinate companies. In the year 2012, we are ranked as No. 365 in World Top 500 Enterprises by Fortune, and No. 2 in global building materials industry, second only to Saint-Gobain.

thread drilling bit from China R32 T38 for hardness rock

thread drilling bit from China R32 T38 for hardness rock

thread drilling bit from China R32 T38 for hardness rock

FAQ:

1. Q: Can I get some samples?

A: We are honored to offer you samples for quality check.

2. Q: Do you have the products in stock?

A : Yes , We have sample for several models now could supply to you.

3. Q: What’s the delivery time?

A: It usually takes about 25 days to produce an order. But the exact delivery time might be different for different orders or at different time.

4. Q: Can I mix different models in one container?

A: Yes, different models can be mixed in one container, but the quantity of each model should not be less than MOQ.

5. Q: How does your factory do regarding quality control?

A: Quality is priority. Rock drilling tools workers always attach great importance to quality control from the every beginning to the end of the production. Every product will be fully assembled and carefully tested before it's packed for shipment.

6. Q: Will you deliver the right goods as ordered? How can I trust you?

A: Yes, we will. Our company is world top 500, that is the biggest supplier and manufacture in China, having a good reputation around the world.

7. Q: What's the payment you accept ?

A: As usual our payment is T/T, other payment can consider.

As the largest manufacturer and exporter of building materials in China, we avail ourselves of this opportunity to approach you for mutual-beneficial cooperation. If you want to know more, pls contact me freely.

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Q:What drill is used for machining holes with a diameter of 3mm?
It is suitable for drilling when holes with smaller processing diameter and less than 4mm are used. Because the processing of small holes, requiring high spindle speed, while the drill bear a great torque.
Q:What's the angle of a standard twist drill?
How much is the standard twist drill angle - 118 degrees, drawing (the threaded hole is a blind hole at 120 degrees) according to the draw.
Q:How do you tell which materials are used in the test?
Cutting different materials depends more on the shape of the cutting edge. Different cutting edges are used for different materials. Experience is very important. Take a look at the schematic diagram of the drill edges.
Q:What do you mean by 5 times diameter drill?
The meaning of 5 times diameter drill:Drill depth is 5 times the diameter of the drill bit.Double diameter refers to how many times the diameter of the meaning, mainly refers to the length of the drill bit and bore ratio, is to measure the function of the drill an important indicator, that is, the larger the diameter, the greater the depth of drilling.
Q:Impact drill and electric hammer drill is what is the difference?
Hammer is the use of compressed gas piston, impact drill bit, need not make much effort, can open 6--100mm in concrete, brick, stone and other hard materials on the hole in the hammer on the opening of materials of high efficiency, but it is not a hole in the metal.
Q:What are the differences between a twist drill and a construction drill? Where are they used?
Impact drills operate by rotating and impacting. A single shock is very slight, but a shock frequency of more than 40000 minutes per minute can produce continuous force. Used of natural stones or concrete. When the impact drill works, the drill chuck is provided with an adjusting knob, which can be adjusted in two ways: an ordinary hand drill and an impact drill. But the impact of drilling is the use of internal gear to achieve mutual beat of impact, but the impact is far less than the hammer. It is not suitable for drilling reinforced concrete.
Q:Why do you always burn drills?
If it's made of stainless steel, there's also a drill, a cobalt white drill, which I've often used, though expensive, but super durable. If the ordinary drill, the speed of 500 to 800 minutes, on the high burning.A class of white steel line, color grinding when not, point to be around 118, as high temperature resistant. The speed is about 1000.
Q:How do I turn on the electric bit?
Hit the drill and press it down and pull it out. With keys or with a hammer drill.
Q:What drill is drilled on marble
Carbide drills can also be applied to marble, ceramic tile, glass and other openings. To drill gear to non hammer gear, slowly drilling, drilling position should not be too on the marble edge, the method is applicable to the local small aperture.
Q:Sharpening of drill angle when machining different materials
Generally, when drilling soft materials, the drill is best able to wear a bit of sharp, so that the drill bit centering, and drilling out of the hole size is not too bad. But if there is no special requirement, drilling with different angles can be used to drill different materials. In addition, the drill can be drilled at different angles on the same material as needed. For example, drilling on the same material, if the size of the hole requirements are relatively strict, the drill will have to sharpen a bit, so that the drill bit of centring is better, drilling out of the hole is relatively round. But if we drill deeper holes, it is better to wear them flat so that the bits are better and the chip is removed so that the cuttings in the deep hole can be smoothly discharged. In short, it is necessary to flexibly select different drilling bits according to the actual situation.

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