thread button bit from China R32 T38 T45 T51 41-127mm

thread button bit from China R32 T38 T45 T51 41-127mm System 1

thread button bit from China R32 T38 T45 T51 41-127mm System 2

thread button bit from China R32 T38 T45 T51 41-127mm

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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.

thread button bit from China R32 T38 T45 T51 41-127mm

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 button bit from China R32 T38 T45 T51 41-127mm

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 button bit from China R32 T38 T45 T51 41-127mm

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 to change the drill bit of impact electric drill?: Install the drill bit: or the handstand impact drill, the left hand down to the plastic ring, the right hand with the drill, rotating around the insertion

Q:Want to buy a hammer, with the decoration of the house, how much more appropriate aperture: Hammer is a kind of electric drill, mainly used in the concrete slab. Brick and stone on the hole. Hammer is the use of compressed gas piston, impact drill bit, need not make much effort, it can open 6--100mm in concrete, brick, stone and other hard materials on the hole hammer in the above-mentioned materials on the opening of high efficiency, but it is not suitable for open hole in the metal. But some multifunctional electric hammer, adjusted to the appropriate position with appropriate drill can replace the ordinary electric drill, electric use.

Q:How do you drill a bit?: Less grinding, first of all, "do not rub", get the drill, that is, grinding, certainly blind grinding. This is a very important step to lay a solid foundation for grinding the next step only when you put a good position before sharpening. The teacher in the demonstration process, according to the methods and skills of practice summed up in simple formulas form explanation and demonstration, students often listen to understand, to do the normal operation demonstration, step by step action demonstration, slow motion model, so that the students easy to accept. Here the use of four formulas to guide the grinding process. Better effect.

Q:Tap 10 taps, what size drills do we use?: In general, with nominal diameter equal to the diameter of the bottom hole pitch reduction. 10-1.5=8.5, that's 8.5. However, if the quarterly demand is high, follow the formula below:D1=d-5H/8 H=0.866p:D1-- drilling diameterD - thread diameterH - theoretical height of threaded teethP - pitch

Q:How many diamond grinding wheels should be used for an alloy bit?: If the hard alloy is generally 100 mesh coarse grinding, and then finishing 180, we have foreign customers dedicated to the electroplating grinding wheel are generally parallel to that, the two particle size. Plain drills and cutters use CBN wheels.

Q:What chisel drills are used for building water utilities?: Now all use slot machine, buy a few drill groove, convenient and durable, very practical.

Q:Impact drill and electric hammer drill is what is the difference: The drill bit is basically the same, but the bayonet is not the same, the impact of drilling is river mouth, the hammer is square!

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:Tap is M14-H2, drill with big bit: In practice, the thread material is different, the bottom diameter is different: Iron and steel parts are different, coarse and fine teeth are not the same, the habit of hand tapping and drilling tapping are not the same. Standard pitch M14 thread is 2, so the threaded hole diameter of 12, to select 12.20 pieces of steel, there are two kinds of specifications of fine teeth: a pitch of 1.50 or 1, the corresponding threaded hole diameter is 12.60 and 13.10.

Q:What's the difference between white, black, and yellow twist drills?: Black becomes nitrided and can be used to drill aluminum products, i.e., soft materials, after improved properties

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