Product Description
Hard Rock Cross Drill Bit
Our cross bits diameters are from38mmto127mm, and different type are available, like R22,
R25,R32, R38, T38,T45,T51,ST58, ST68,etc
.
Feature:
1. Excellent drilling penetration
2. Used in very hard or hardest rock formation
3. Adequate for various construction conditions
4. Strong corrosion resistance
Application:
1.The cross bit is suitable for digging of very hard rock formation, hard formation and crack-grown formation.
2.All cross bits have to be reground at regular intervals to crush rock efficiently.
3.We choose different material and size for the cross bits in order to adapt the different rock formations and
working conditions.
Main technical paremeter
H25
| diameter |
|
button(mm) |
flushing holes |
|
| mm |
inch |
length*width*height |
side |
front |
| 35 |
1 3/8" |
13*8*12 |
4 |
1 |
| 38 |
1 1/2" |
14*8*12 |
4 |
1 |
| 41 |
1 21/32" |
15*8*12 |
4 |
1 |
| 45 |
1 49/64" |
17*8*12 |
4 |
1 |
| 48 |
1 57/64" |
17*8*14 |
4 |
1 |
| 51 |
2" |
19*10*16 |
4 |
1 |
| 57 |
2 1/4" |
22*10*16 |
4 |
1 |
| 64 |
1 33/64" |
24*10*16 |
4 |
1 |
| 76 |
3" |
29*12*20 |
4 |
1 |
R25/R28
| diameter |
|
button(mm) |
thread |
| mm |
inch |
length*width*height |
side |
| 35 |
1 3/8" |
14*8 |
R25 |
| 38 |
1 1/2" |
14*8 |
R25 |
| 41 |
1 5/8" |
14*8 |
R25 |
| 43 |
1 11/16" |
14*8 |
R25 |
| 38 |
1 1/2" |
14*8 |
R28 |
| 43 |
1 11/16" |
14*8 |
R28 |
| 45 |
2 3/4" |
14*8 |
R28 |
R32
| diameter |
|
button(mm) |
thread |
| mm |
inch |
length*width*height |
side |
| 45 |
1 3/4" |
16*10 |
R32 |
| 48 |
1 7/8" |
16*10 |
R32 |
| 51 |
2 |
16*10 |
R32 |
| 57 |
2 1/4" |
16*10 |
R32 |
| 64 |
2 1/2" |
18*13 |
R32 |
| 76 |
3 |
18*13 |
R32 |
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