thread drilling bit from China T38 dia76mm

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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 T38 dia76mm

 

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 T38 dia76mm

thread drilling bit from China T38 dia76mm

 

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 T38 dia76mm

thread drilling bit from China T38 dia76mm

thread drilling bit from China T38 dia76mm

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 are the weight specifications of the drill pile when the bridge pile foundation is constructed?
In terms of size, this depends on the size of the hole you want to play. Generally they are 0.8m, 1M, 1.25m, 1.5m, 1.8m.
Q:What measures can be taken to prevent the bit from breaking
I. to drill through, reduce the pressure. Slow down. Two. Drill the bit into a group
Q:Woodworking drills, classification, woodworking drills are those categories, the more specific the better
They are used to process large work holes, wooden structures, housing, furniture, and large holes in furniture.Ladder drill, usually in order to save time, with ladder drilling (non pagoda drill) drilled out, you can directly use countersunk head screw, to ensure that the center of the 2 round hole in a straight line.
Q:What's the difference between a twist drill and an impact drill?
Percussive drills work 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:How big are the 8 bits that have worked up?
If 8mm's expansion pipe uses a drill with a diameter of 8mm, if it is a 8mm expansion screw, use a drill with a diameter of 12mm.
Q:For 25 bit is much with the expansion screw
Fastener consultant Yu Wenlong believes that their best related information, come online is always false, meet the random response, smatter, is simply false or deceptive directly mislead you, even hurt you. Light product quality is not qualified, serious person should be fined. Of course, the fastener consultant Yu Wenlong believes that if the strength of a fastener, please refer to your technical consultant, to grasp the direction of enterprise development, product positioning, customer orientation is a good choice.
Q:How do we calculate the length of a drill for a bored pile drill?
The length of the drill bit is reduced by 2/3, or 1/3 of the drill bit.
Q:What does the cutting depth of the drill mean 3D?
For example, 3D, the drill diameter is 20MM, then the effective drilling depth is 60MM, but the actual standard bit slot length must be about 80mm, because we should consider the chip space!!
Q:When tapping M4, M5, M6, M8 and M10, how big bits of drill (ordinary steel) are used?
Extrusion tap:Screw - pitch: D=d1-0.49P P = 2. In the case of M10x1.5, hole size D=10-0.49 * 1.5=9.27. (recommendation 9.3)Screw - pitch: D=d1-0.42P P = 0.8. In the case of M3x0.5, hole size D=3-0.42 * 0.5=2.79. (recommendation 2.8)Therefore, cutting tap hole were recommended as follows: 3.3, 4.2, 5, 6.8, 8.5
Q:How else can I take the drill bit off?
In any section along the bar, the flutes are located are diametrically opposed to each other's position in the flat tube, flat tube and two common edge edge in the pipe on both sides of the belt plane (F F) 90 degrees extension, wherein the knife rod has a maximum in the rigid plane. The orientation of the second plane (E E) of the center cutting edge is approximately 90 degrees with respect to the main rigid direction (F F) of the blade plane or the bottom of the cutter bar.

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