thread button bit from China dia 35-45mm R22
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 pc
- Supply Capability:
- 10000 pc/month
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We are specialized in rock drilling tools，such 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.
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 | Hemispherical |
R25 | 33 – 57mm | Normal | Flat Face | Hemispherical |
R28 | 36 – 51mm | Normal | Flat Face | Hemispherical |
R32 | 41 – 89mm | Normal | Flat Face | Hemispherical |
R35 | 48 – 51mm | Normal | Flat Face | Hemispherical |
R38 | 64 – 102mm | Normal | Flat Face | Hemispherical |
T38 | 57 – 102mm | Normal | Flat Face | Hemispherical |
T45 | 70 – 127mm | Normal | Flat Face | Hemispherical |
T51 | 76 – 140mm | Normal | Flat Face | Hemispherical |
T60 | 89 – 140mm | Normal | Flat Face | Hemispherical |
ST58 | 89 – 140mm | Normal | Flat Face | Hemispherical |
GT60 | 93 – 140mm | Normal | Flat Face | Hemispherical |
ST68 | 102 – 152mm | Normal | Flat Face | Hemispherical |
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.
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.
- Q:How do the drills grind?
- A formula: "edge on the wheel surface." This is the first step between the bit and the grinding wheel, and it is often the students who have not cut the edges of the blade, so they start sharpening on the grinding wheel. It must be hard to wear. The blade here
- Q:The basic angle of twist drill
- The back angle of the selected point on the main cutting edge of the twist angle alpha Om is expressed by the feed back angle alpha Om in the point column section. The column section is the point m of the main cutting edge, a line parallel to the axis of the drill, and the cylindrical surface formed by the rotation of the line around the center of the bit. The alpha Om changes along the main cutting edge, and the closer to the center, the greater the alpha Om. The back angle of the outer edge of the twist drill is usually 8 to 10 degrees, and the back angle of the transverse blade is 20 to 25 degrees. This can compensate for the influence of the angle of the main cutting edge on the actual working angle of the main cutting edge due to the axial feed motion of the bit, and can adapt to the change of the front angle.
- Q:Tap 10 taps, what size drills do we use?
- Brief introduction of tap:As a tool for machining internal thread taps, according to the shape can be divided into straight edge and screw tap tap, in accordance with the use of the environment can be divided into hand taps and machine taps, made in accordance with the specifications, and can be divided into metric, British tap, according to the origin can be divided into domestic and imported tap tap. Tap is the most important tool for operators to process thread.
- Q:What is countersunk drill, flat head drill?
- Countersunk drill: it is a well formed drill bit that is basically used for machining countersunk headsA drill bit used to hide six square screws
- Q:What drills do you use for screw holes?
- The drill depends on the material of the workpiece, and plain steel can be used with plain twist drills.
- Q:Which is better, a white drill or a black drill?
- Black becomes nitrided and can be used to drill aluminum products, i.e., soft materials, after improved propertiesThere are 3 processes for producing drills, black for rolling and worst for rolling. White for clean edges and ground. Because, unlike rolling, no high temperature oxidation, the steel grain structure is not damaged, used to drill a slightly higher hardness workpiece.The yellowish brown drill, called cobalt cobalt drill in the industry, is the unspoken rule of the drill. Cobalt containing drills were originally white, produced by grinding, and when they were atomized at the later stage, they were made of yellow brown (commonly called amber), which is the best in circulation. M35 (Co 5%)
- 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:When tapping M4, M5, M6, M8 and M10, how big bits of drill (ordinary steel) are used?
- Stainless steel, titanium alloy, steel and other materials hard to be machined: D=d1-0.95P. Still in the case of M10x1.5, hole size D=10-0.95 * 1.5=8.575. (recommendation 8.6)
- Q:I want to buy an electric drill with requirement is about 3MM bit penetration with ordinary bowl to eat what to buy an electric drill to much power and strength
- Upstairs said good, the key in the drill bit. But the speed of the electric drill must be high, the line speed is fifty or sixty meters per second. The drill shall be ground into the negative rear angle, and no water can be added. No water can be added halfway. You can't stop over.
- Q:What drill is used in stainless iron drilling?. What color?
- The best is to make the stainless steel material of cobalt containing material with high speed steel drill, high-speed steel drill is cobalt containing silver, do not know the landlord of the silver white bit is not high speed steel containing cobalt, if not, you can buy only high speed steel cobaltiferous material drill (also called stainless steel special under the best bit), buy imported, not much of your money, the quality difference is too large domestic drill. Or if not, can change the drill bit Ti, Ti is abrasion resistant, average life is 3 times more than the standard twist drill
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thread button bit from China dia 35-45mm R22
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
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