2021 Hole opener R32 6 degree pilot adapter reaming button drill bit
This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter. Large diameter service holes from level to level for drainage, electrical cable or pipe lines routinely used to ream cut holes for development rounds and for long hole blasting of drop raise
| PIC. |
Model |
Dia. |
Gauge button |
front button |
taper |
products no. |
| A |
6° Taper reaming button bits (shperic or parabolic buttons) |
64 |
8*Φ9mm |
2*Φ10mm |
6° |
KTQ1264-6-1 |
| 64 |
8*Φ9mm |
4*Φ8mm |
6° |
KTQ1264-6-2 |
| 65 |
8*Φ9mm |
4*Φ8mm |
6° |
KTQ1265-6 |
| 76 |
8*Φ10mm |
4*Φ10mm |
6° |
KTQ1276-6-1 |
| 76 |
8*Φ10mm |
4*Φ9mm |
6° |
KTQ1276-6-2 |
| 76 |
8*Φ11mm |
2*Φ11mm |
6° |
KTQ1276-6-3' |
| 76 |
7*Φ11mm |
4*Φ11mm |
6° |
KTQ1176-6-3'' |
| 76 |
8*Φ14mm |
4*Φ13mm |
6° |
KTQ1276-6-4 |
| 89 |
8*Φ12mm |
4*Φ12mm |
6° |
KTQ1289-6-1 |
| 89 |
8*Φ12mm |
4*Φ11mm |
6° |
KTQ1289-6-2 |
| 89 |
8*Φ12mm |
4*Φ10mm |
6° |
KTQ1289-6-3 |
| 89 |
8*Φ13mm |
4*Φ10mm |
6° |
KTQ1289-6-4 |
| 89 |
8*Φ12mm |
4*Φ11mm |
6° |
KTQ1289-6-5 |
| 102 |
8*Φ14mm |
4*Φ12mm |
6° |
KTQ12102-6 |
| 12° Taper reaming button bits (shperic or parabolic buttons) |
89 |
8*Φ12mm |
4*Φ10mm |
12° |
KZQ1289-12 |
| 102 |
8*Φ12mm |
4*Φ12mm |
12° |
KZQ12102-12-1 |
| 102 |
8*Φ14mm |
4*Φ12mm |
12° |
KZQ12102-12-2 |
| 127 |
10*Φ13mm |
8*Φ13mm |
12° |
KZQ18127-12-1 |
| 127 |
10*Φ13mm |
10*Φ13mm |
12° |
KZQ18127-12-2 |
| B |
6° Taper chisel reaming bits |
60 |
carbide:12*8mm (4pcs) |
6° |
KTS460-6 |
| 64 |
KTS464-6 |
| 65 |
KTS465-6 |
| 70 |
KTS470-6 |
| 76 |
carbide:12*10mm (4pcs) |
KTS476-6 |
| 80 |
KTS480-6 |
| 89 |
KTS489-6 |
| 10° Taper chisel reaming bits |
70 |
carbide:12*8mm (6pcs) |
10° |
KTS670-10 |
| 75 |
KTS675-10 |
| 80 |
KTS680-10 |
| 90 |
KTS690-10 |
| 100 |
carbide:12*10mm (6pcs) |
KTS6100-10 |
| 120 |
KTS6120-10 |
| C |
Pilot adaptors 6° |
chisel:Φ26/28*12*8mm |
L=240/300mm,thread:R25/28/32*12.7mm,6° |
| Pilot adaptors 12° |
chisel:Φ35/40*15*10mm |
L=250mm,thread:R25/28/32*12.7mm,12° |
| D |
Thread chisel reaming bits |
60 |
carbide:12*8mm (4pcs) |
RF25 |
KTS460-25RF |
| 70 |
KTS470-25RF |
| 80 |
carbide:12*10mm (6pcs) |
RF32 |
KTS680-32RF |
| 90 |
KTS690-32RF |
| 100 |
KTS6100-32RF |
| 120 |
KTS6120-32RF |
| 130 |
RF38 |
KTS6130-38RF |
| 150 |
KTS6150-38RF |
| E |
Integral reaming button bits |
89 |
12*Φ11mm |
2*Φ11mm+1*Φ10mm |
R32/R38*12.7 |
KZQ89 |
| 102 |
12*Φ12mm |
2*Φ12mm+1*Φ10mm |
R32/R38*12.7 |
KZQ102-1 |
| 102 |
12*Φ14mm |
2*Φ10mm+1*Φ10mm |
R32/R38*12.7 |
KZQ102-2 |
| 127 |
8*Φ14mm |
8*Φ12mm+2*Φ12mm |
R38*12.7 |
KZQ127 |
| F |
Dome reaming bit (shperic or parabolic buttons) |
76 |
9*Φ13mm |
1*Φ13mm |
R32/T38/T45 |
DFR76 |
| 89 |
14*Φ13mm |
1*Φ13mm |
R32/T38/T45 |
DFR89 |
| 102 |
16*Φ13mm |
1*Φ13mm |
R32/T38/T45 |
DFR102 |
| 127 |
18*Φ13mm |
1*Φ13mm |
R32/T38/T45 |
DFR127 |
| 152 |
18*Φ14mm |
2*Φ14mm |
T45/T51/ST58/ST68 |
DFR152-1 |
| 152 |
9*Φ16mm |
6*Φ16mm |
ST58/ST68 |
DFR152-2 |
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