10 Inch 254mm Numa 100 Wear Resistance Dth Hammer Bits
10 Inch 254mm Numa100 Wear Resistance DTH Hammer Bits
Description
DTH drill bit with drilling performance is stable, easy to use grinding, and the price is reasonable and other factors by the user. Carbide multi-choice ball, spring or ball and tooth teeth common to the cloth teeth. Drill alloy can be divided according to the shape of hemispherical teeth, tapered teeth, parabolic teeth and other types. Hemispherical teeth with high load capacity, good wear resistance, suitable for drilling hard, hard and abrasive rock; tapered teeth and parabolic teeth drilling speed, suitable for drilling hard and non-abrasive rocks. DTH drill bits can also be used with the teeth (gage, drilling teeth) with the ball, the core teeth (broken broken rock) with tapered teeth, parabolic teeth in the form of compound cloth teeth, can reach under a variety of types of rocks quickly The purpose of drilling.
Bit Face Shape Selection:
1. Drop Center Bit
2. Concave Face
3. Convex Face
4. Double Gauge Face
5. Flat Face Bit
10'' High Air Pressure DTH Bit Shank Specification
|
Drill Bit |
Bit Dia. (mm) |
Air Holes No. |
Gauge Buttons |
Front Buttons |
|
|
mm |
inch |
||||
|
SP10
|
254 |
10 |
3 |
12*Φ18 |
20*Φ16 |
|
305 |
12 |
4 |
12*Φ18 |
36*Φ16 |
|
|
311 |
12 1/4 |
4 |
12*Φ18 |
36*Φ16 |
|
|
318 |
12 1/2 |
4 |
12*Φ18 |
38*Φ16 |
|
|
330 |
13 |
4 |
16*Φ18 |
42*Φ16 |
|
|
Numa100
|
254 |
10 |
3 |
12*Φ18 |
20*Φ16 |
|
305 |
12 |
4 |
12*Φ18 |
36*Φ16 |
|
|
311 |
12 1/4 |
4 |
12*Φ18 |
36*Φ16 |
|
|
318 |
12 1/2 |
4 |
12*Φ18 |
38*Φ16 |
|
|
330 |
13 |
4 |
14*Φ18 |
42*Φ16 |
|
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