Hemispherical bit thread button bit from China R32 T38

Hemispherical bit thread button bit from China R32 T38 System 1

Hemispherical bit thread button bit from China R32 T38 System 2

Hemispherical bit thread button bit from China R32 T38

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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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thread button bit from China R32 T38 for hardness rock

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taper button bit dia34mm,36mm,38mm made in China

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.

Hemispherical bit thread button bit from China R32 T38

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

Hemispherical bit thread button bit from China R32 T38

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.

Hemispherical bit thread button bit from China R32 T38

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?: Remove the drill: the impact drill upside down on the ground (bit upward), left hand holding down the drill root plastic ring, right hand holding the drill bit upward, provided when rotating around a bit can be taken out.

Q: What drill heads are used to drill holes in diamond heads?: A drill bit (Drills) is a tool used to drill through holes or blind holes in solid material and to expand existing holes.

Q: Tap is M14-H2, drill with big bit: The tap is M14-H2 and can be punched with a drill with a diameter of 12.The threaded hole diameter can be determined by the formula:The nominal diameter of the screw - thread pitch = threaded hole diameter

Q: Why can't the tap be nitrided? Drill bits are available.: Tap can be treated by nitriding, often used in cast iron aluminum castings. The effect of nitriding is to increase hardness. Wearable ~!

Q: What size drills are we going to use to drill the holes in the M7 and with the larger twist drills?: The common thread M7 second series, not commonly used, the coarse thread pitch according to the national standard of 1mm, therefore, the bottom of the thread holes at the 6mm, actually should be: the bottom hole diameter of =7-1.06p, where p is the pitch, calculated 5.94mm, underport with 6mm drill bit, not too bad. After drilling, tap with M7 tap.

Q: What drill is used for punching aluminum parts?: In principle, both high speed steel and alloy alloy do.

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 big is the smallest bit?: Foreign trade HSS full grinding high speed steel straight shank twist drill, drill aluminum iron special twist drill / woodworking drill bit, relevant parameters:Model: YD0.5--14mm;Straight shank twist drill;Material: high speed steel;Blade diameter: manifold;Machine tools, tools, drills.

Q: The whole alloy drill often breaks: Drilling with carbide drills is the most afraid of bit feed instability, vibration and pulsation, which is the most likely to break the drill bit. If the drilling is not guaranteed, the cemented carbide bit can be used instead. The body of this drill is made of tool steel material, but only hard alloy material is inserted in the cutting part. The drill will not break the drill even when it is drilling.

Q: Do you have a drill with a diameter of 2.2mm?: A drill with a small outside diameter, each of which varies in size from 0.1MM to 2.2MM in diameter. The drill bit is a commonly used specification and can be bought at will.

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