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R28 45mm Top Hammer Drilling Rock Drill Thread Button Bit for Mining
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Item
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Specification
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Product Name
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R25 38mm Threaded Button Bit
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Material
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45CrNiMoV
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Carbide Size
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6*10mm,3*8mm
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Diameter
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45mm
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Length
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110mm
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Thread diameter
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28mm
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Uses
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Tunnel Blasting/Mining
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Color
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Original color
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Thread button bits
Thread connection: HL38, R25, R28, R32, T38, T45, T51, T60, ST58, ST68, etc.
Carbide profile: Spherical, ballistic, and parabolic.
Bit Faces Flat, concave, convex and drop-center, uniface.
Bits Diameters: 33mm-152mm
Bit body: Standard and retract
In top hammer-threaded drilling tools, the standard threaded button bit is the most widely used drill bit, which can be applied to all rock conditions. Our standard button bits are the R25 button bit, R28 button bit, R32 button bit, R35 button bit, R38 button bit, T38 button bit, T45 button bit, T51 button bit, GT60 button bit, ST58 button bit, ST68 button bit, SR35 button bit...
Product Description
Tungsten carbide button have their unique working properties. It is
widely used in oil drilling and shoveling snow, snow machines and other equipment and used for quarrying, mining, tunnel engineering, and civil buildings.
Our advantages:
1. Manufactured with the highest quality carbide for stable & consistent quality.
2. Processing with latest manufacturing technology HIP sintered to produce ultimate in quality.
3. Strict quality checking accompany the overall production process to ensure every batch of product meet customers' standard before being put on the market.
4. A wide range of tungsten carbide grade and size for selection.
5. Factory-direct shipment ensure short delivery time.
6. We also offer experienced advice to help you produce the best possible product at the lowest possible cost.
7. Customised Polished carbide insert for button bitss are available!
8.We also could desigh, develop and produce according to customer's requirements and drawings.
9.Blank and finished products are available.
| Buttons | Flushing Hole | ||||||||
| Model No. | Model Number | Diameter (mm) | Thread | Gauge | Front | Gauge Tooth Alloy Angle | Side | Front | Weight (KG) |
| [No.] × [mm] | [No.] × [mm] | [No.] | [No.] | ||||||
| L001 | L33-R22-7D-35-B7 | 33 | R22 | 5×7 | 2×7 | 35° | 2 | 1 | 0.4 |
| L002 | L35-R25-7D-35-B8 | 35 | R25 | 5×8 | 2×7 | 35° | 2 | 1 | 0.4 |
| L003 | L38-R25-7D-35-B8 | 38 | R25 | 5×8 | 2×7 | 35° | 1 | 2 | 0.5 |
| L004 | L41-R25-7D-35-B9 | 41 | R25 | 5×9 | 2×8 | 35° | 1 | 2 | 0.55 |
| L005 | L41-R28-7D-35-B9 | 41 | R28 | 5×9 | 2×8 | 35° | 1 | 2 | 0.55 |
| L006 | L41-R32-7D-35-B9 | 41 | R32 | 5×9 | 2×9 | 35° | 2 | 1 | 0.55 |
| L007 | L43-R32-9D-30-B9 | 43 | R32 | 6×9 | 3×8 | 30° | 1 | 2 | 0.67 |
| L008 | L45-R28-9D-35-B10 | 45 | R28 | 6×10 | 3×8 | 35° | 3 | 1 | 0.8 |
| L009 | L45-R32-9D-30-B10 | 45 | R32 | 6×10 | 3×8 | 35° | 2 | 1 | 0.8 |
| L010 | L45-R32-9D-35-B9 | 45 | R32 | 6×9 | 3×8 | 30° | 1 | 3 | 0.8 |
| L011 | L45-R32-9D-35-B10 | 45 | R32 | 6×10 | 3×8 | 35° | 1 | 3 | 0.8 |
| L012 | L48-R32-9D-35-B10 | 48 | R32 | 6×10 | 3×9 | 35° | 1 | 3 | 0.9 |
| L013 | L51-R32-9D-35-B10 | 51 | R32 | 6×10 | 3×9 | 35° | 1 | 3 | 1.1 |
| L014 | L57-R32-9D-35-B11 | 57 | R32 | 6×11 | 3×10 | 35° | - | 3 | 1.3 |
| L015 | L64-R32-9D-40-B11 | 64 | R32 | 6×12 | 3×11 | 40° | 2 | 1 | 1.6 |
| L016 | L64-R32-12D-35-B10 | 64 | R32 | 8×10 | 4×10 | 35° | 2 | 2 | 1.6 |
| L017 | L64-R38-9D-35-B12 | 64 | R38 | 6×12 | 3×11 | 35° | 2 | 1 | 1.6 |
| L018 | L76-R32-12D-35-B11 | 76 | R32 | 6×12 | 6×12 | 35° | 1 | 2 | 2.7 |
| L019 | L76-R32-12D-35-B12 | 76 | R32 | 8×12 | 4×12 | 35° | 2 | 2 | 2.7 |
| L020 | L76-R38-12D-35-B12 | 76 | R38 | 8×12 | 4×12 | 35° | 2 | 2 | 2.3 |
| L021 | L89-R32-13D-35-B13 | 89 | R32 | 8×13 | 5×12 | 35° | - | 3 | 2.9 |
| L022 | L89-R38-13D-35-B13 | 89 | R38 | 8×13 | 5×12 | 35° | 2 | 2 | 3.3 |
| L023 | L102-R32-15D-35-B12 | 102 | R32 | 14×12 | 1×11 | 35° | 2 | 3 | 3.5 |
Thread Button Bit
HOW TO CHOOSE A STYLE
Normal drill bit
Suitable for ordinary rock, hardness 8-14, abrasive rock. The main appearance is flat type, tooth diameter is moderate, alloy impact resistance and wear resistance balance, multi-choice high-ball teeth and semi-ballistic teeth, generally adapted to a variety of rocks, for the general rock and unclear rock type of the case are recommended.
Soft rock drill bit
Mainly applicable to non-breaking, hardness of 8 or less, non-abrasive rock. The main appearance is concave, tooth diameter is small, alloy impact resistance and wear resistance is better, more selection of semi-ballistic teeth, ballistic teeth, powder intensifying effect is better than ordinary type, in order to improve work efficiency.
Hard rock drill bit
Mainly used in F14 and above, non-abrasive rocks. The main performance is a large profile, tooth-shaped multi-choice ball teeth and high-ball teeth, alloy wear resistance, and impact resistance are better, powder ginger effect is slightly lower than an ordinary drill bit. Because the amount of alloy is more, the price is higher than that of the normal type.
Retrac drill bit
Mainly used in the rock relatively broken, rock layer changes in the construction, the main appearance of concave band tail design, conducive to unexpected situations in the back of the brazing, front-end style can be selected by reference to the above product design.
Thread Button Bit
HOW TO SELECT A PROFILE?
Parabolic button
Parabolic Buttons are usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations.
Ballistic button
The high tooth height, mainly used in soft rock and ordinary rock F12 below, the speed of entry is fast, but the hard rock, very hard rock is prone to the phenomenon of broken teeth.
Hemispherical button
The tooth height is low, mainly used in extremely hard rock F14 or above, improves wear resistance, prevents the appearance of broken teeth, and the speed is lower.
DTH Drill Bit
BIT FACE SHAPE SELECTION
Drop center bit
For high penetration rates in soft to medium hard and fissured rock formations.Low to medium air pressures. Maximum hole deviation control.
Concave face
The all-around application bit face is specifically for medium hard and homogeneous rock formations. Good hole deviation control and good Flushing capacity.
Convex face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistant to steel wash. And may reduce the Load and wear on the gauge buttons, but poor hole Deviation control.
Double gauge face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.
Flat face bit
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications With high air pressures. Good penetration Rates and resistance to steel wash.
DTH Drill Bit
CARBIDE BUTTON SHAPE SELECTION
Domed/Round button
Domed/Round Button are usually used as gauge buttons of DTH Bits, suitable for very abrasive and very hard formations.
Parabolic button
Parabolic Buttons are usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations.
Ballistic button
Ballistic Buttons are usually used as front buttons of DTH Bits, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.
Sharp button
Sharp Buttons are usually used as front buttons of DTH Bits for soft formations where fast penetration rates are possible and button breakage is minimal.
Flat button
Flat buttons are usually used as protection buttons to reduce wear on rubbing surfaces of DTH Bits.
1.Q:Are you a trading company or a factory?
A:We are factory directs sales.
2.Q:Can you customize the product?
A:We can customize products according to you required diameter,button size and color.
3. Q: Do you provide samples ? Are they free or extra ?
A: Some stock parts are free and you just need to handle shipping fee. Please contact us for details.
4.Q:Handing time for order?
A:Based on order quantity,normally it takes 25 days for production. About 4or 5days if we have stock on your request size.
5.Q:Quality Control?
A: We have our own experienced QC.
Samping inspection will be carried out before the order is shipped to ensure the quality.
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