Bestlink factory 3inch Br3 Cop32 HD35 M30 Ql30 DTH Rock Drill Button Bit
1. High and low air pressure down-the-hole drill bits
2. Low air pressure holeDia.: 65-220mm
3. High air pressure hole Dia.: 85-305mm
4. Face type: Drop center/concave/convex/double gauge/flat
5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.
6. Inch available: 3", 4", 5", 6", 8", 12", etc...
High pressure dth bit
DTH bit is our company main product. After mang years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.
If you interested in our product please contact freely.
Some BITS for referance |
Hammer: COP 32 |
Diameter mm |
Part No. |
Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) |
Gauge buttons angle o (Outer, Inner, Cone) |
Flushing holes (No. x size mm) |
Weight approx. kg |
Foot valve Part No. |
Flat front, HD |
85 |
100-5085-39,24-20 |
8x11, - ,6x11, - |
35, -, - |
2 |
4.5 |
|
90 |
100-5090-39,24-20 |
8x11, - ,7x11, - |
35, -, - |
2 |
4.7 |
100 |
100-5100-39,24-20 |
8x11, - ,7x11, - |
35, -, - |
2 |
4.9 |
SpeedBit |
85 |
100-5085-39-55,24-20 |
8x11, - ,6x11, - |
35 |
2 |
4.5 |
|
90 |
100-5090-39-55,24-20 |
8x11, - ,7x11, - |
35 |
2 |
4.7 |
100 |
100-5100-39-55,24-20 |
8x11, - ,7x11, - |
35 |
2 |
4.9 |
Convex front, Ballistic |
85 |
100-5085-39-61,24-20 |
7x11, 4x11, 2x11, - |
40, 20, - |
2 |
4.3 |
|
90 |
100-5090-39-61,24-20 |
7x11, 4x11, 2x11, - |
40, 20, - |
2 |
4.5 |
100 |
100-5100-39-61,24-20 |
7x11, 4x11, 2x11, - |
40, 20, - |
2 |
4.7 |
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Hammer: Bulroc 3 |
Diameter mm |
Part No. |
Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) |
Gauge buttons angle o (Outer, Inner, Cone) |
Flushing holes (No. x size mm) |
Weight approx. kg |
Foot valve Part No. |
Convex front, Ballistic |
|
100-5090-45-61,24-20 |
7x11, 4x11, 2x11, - |
40, 20, - |
2 |
4 |
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Hammer: COP 34, 34Q |
Diameter mm |
Part No. |
Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) |
Gauge buttons angle o (Outer, Inner, Cone) |
Flushing holes (No. x size mm) |
Weight approx. kg |
Foot valve Part No. |
Flat front, HD |
90 |
100-5090-31,24-20* |
8x12.7, - ,7x11, - |
35, - , - |
2 |
5.8 |
9279 |
92 |
100-5092-31,24-20 |
8x12.7, - ,7x11, - |
35, - , - |
2 |
5.8 |
9279 |
95 |
100-5095-31,24-20 |
8x12.7, - ,7x11, - |
35, - , - |
2 |
5.9 |
9279 |
100 |
100-5100-31,24-20 |
8x12.7, - ,7x12.7, - |
35, - , - |
2 |
6.1 |
9279 |
105 |
100-5105-31,24-20 |
8x14.5, - ,7x12.7, - |
35, - , - |
2 |
6.3 |
9279 |
SpeedBit |
92 |
100-5092-31-55,24-20 |
8x12.7, - ,7x11, - |
35 |
2 |
5.8 |
9279 |
95 |
100-5095-31-55,24-20 |
8x12.7, - ,7x11, - |
35 |
2 |
5.9 |
9279 |
100 |
100-5100-31-55,24-20 |
8x12.7, - ,7x12.7, - |
35 |
2 |
6.1 |
9279 |
105 |
100-5105-31-55,24-20 |
8x14.5, - ,7x12.7, - |
35 |
2 |
6.3 |
9279 |
Convex front, Ballistic |
92 |
100-5092-31-61,24-20 |
7x12.7, 4x12.7, 2x12.7, - |
40, 20, - |
2 |
5.8 |
|
95 |
100-5095-31-61,24-20 |
7x12.7, 4x12.7, 2x12.7, - |
45, 30, - |
2 |
5.9 |
100 |
100-5100-31-61,24-20 |
7x12.7, 4x12.7, 2x12.7, - |
45, 30, - |
2 |
6.1 |
105 |
100-5105-31-61,24-20 |
7x14.5, 4x14.5, 2x14.5, - |
45, 30, - |
2 |
6.3 |
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Hammer: COP 42 |
Diameter mm |
Part No. |
Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) |
Gauge buttons angle o (Outer, Inner, Cone) |
Flushing holes (No. x size mm) |
Weight approx. kg |
Foot valve Part No. |
Flat front, HD |
105 |
100-5105-60,24-20 |
8x14.5, 7x12.7, - |
35 |
2 |
7.5 |
|
110 |
100-5110-60,24-20 |
8x14.5, 7x12.7, - |
35 |
2 |
8.2 |
115 |
100-5115-60,24-20 |
8x14.5, 8x12.7, - |
35 |
2 |
8.4 |
130 |
100-5130-60,24-20 |
8x14.5, 10x12.7, - |
35 |
2 |
9.3 |
140 |
100-5140-60-1218,08-20 |
8x14.5, 9x12.7, - |
35 |
2 |
9.3 |
SpeedBit |
105 |
100-5105-60-55,24-20 |
8x14.5, - ,7x12.7, - |
35 |
2 |
7.5 |
|
115 |
100-5115-60-55,24-20 |
8x14.5, - ,8x12.7, - |
35 |
2 |
8.4 |
Convex front, Ballistic |
105 |
100-5105-60-61,24-20 |
7x14.5, 4x14.5, 2x14.5, - |
40, 20, - |
2 |
7.5 |
|
110 |
100-5110-60-61,24-20 |
7x14.5, 4x14.5, 2x14.5, - |
40, 20, - |
2 |
7.8 |
115 |
100-5115-60-61,24-20 |
7x14.5, 4x14.5, 3x14.5, - |
40, 20, - |
2 |
8 |
130 |
100-5130-60-61,24-20 |
9x12.7, 6x12.7, 5x12.7, - |
40, 20, - |
2 |
9 |
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Hammer: COP 44,440 Ingers oil-Rand DHD 340A, DH4, Minroc 4 valveless, Compair Holman VOL 400 |
Diameter mm |
Part No. |
Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) |
Gauge buttons angle o (Outer, Inner, Cone) |
Flushing holes (No. x size mm) |
Weight approx. kg |
Foot valve Part No. |
Flat front, HD |
105 |
100-5105-34,24-20 |
8x14.5, - ,7x12.7, - |
35, - , - |
2 |
8.6 |
|
110 |
100-5110-34,24-20 |
8x14.5, - ,7x12.7, - |
35, - , - |
2 |
8.7 |
115 |
100-5115-34,24-20 |
8x14.5, - ,8x12.7, - |
35, - , - |
2 |
9 |
125 |
100-5125-34,24-20 |
8x14.5, - ,10x12.7, - |
35, - , - |
2 |
10.5 |
130 |
100-5130-34,24-20* |
8x14.5, - ,10x12.7, - |
35, - , - |
2 |
11 |
140 |
100-5140-34-1218,08-20* |
8x16.0, - ,9x14.5, - |
35, - , - |
2 |
11.5 |
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Hammer: COP 44,440 Cont. |
Diameter mm |
Part No. |
Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) |
Gauge buttons angle o (Outer, Inner, Cone) |
Flushing holes (No. x size mm) |
Weight approx. kg |
Foot valve Part No. |
SpeedBit |
110 |
100-5110-34-55,24-20 |
8x14.5, - ,7x12.7, - |
35, - , - |
2 |
8.7 |
9237 |
115 |
100-5115-34-55,24-20 |
8x14.5, - ,8x12.7, - |
35, - , - |
2 |
9 |
9237 |
125 |
100-5125-34-55,24-20 |
8x14.5, - ,10x12.7, - |
35, - , - |
2 |
10.5 |
9237 |
130 |
100-5130-34-55,24-20 |
8x14.5, - ,10x12.7, - |
35, - , - |
2 |
11 |
9237 |
Convex front, Ballistic |
105 |
100-5105-34-61,24-20 |
7x14.5 4x14.5 2x14.5, - |
40, 20, - |
2 |
8.2 |
9237 |
110 |
100-5110-34-61,24-20 |
7x14.5 4x14.5 2x14.5, - |
40, 20, - |
2 |
8.4 |
9237 |
115 |
100-5115-34-61,24-20 |
7x14.5 4x14.5 3x14.5, - |
40, 20, - |
2 |
8.5 |
9237 |
115 |
100-5115-34-2234,08-20 |
8x12.7 4x12.7 3x12.7, - |
45, 30, - |
2 |
9 |
9237 |
125 |
100-5125-34-61,24-20 |
9x12.7 6x12.7 5x12.7, - |
40, 20, - |
3 |
9.1 |
9237 |
130 |
100-5130-34-61,24-20* |
9x12.7 6x12.7 5x12.7, - |
40, 20, - |
3 |
9.3 |
9237 |
Reaming bit for 104-115 mm pilot holes |
165 |
100-5165-34-9102,08-20 |
14x16 |
35 |
2 |
15.9 |
9237 |