Down The Hole Drilling ToolsProduct details
3 1/2 " Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) |
Bit diameter |
Qty*Button Dia(mm) |
Air holes |
Weight |
Bit shank |
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mm |
inch |
Gauge |
Front |
kg |
| 3.5" |
90 |
3 9/16 |
6*14 |
4*13 |
2 |
4.9 | DHD3.5 |
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95 |
3 3/4 |
6*14 |
4*13 |
2 |
5.2 |
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102 |
4 |
6*14 |
5*13 |
2 |
5.9 |
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4" Series DTH Drill Bits Product details
| Matched hammer diameter(inch) |
Bit diameter |
Qty*Button Dia(mm) |
Air holes |
Weight |
Bit shank |
|
mm |
inch |
Gauge |
Front |
kg |
4" | 105 | 4 1/8 | 7*14 | 6*13 | 2 |
8 |
DHD340/COP42/SD4/QL4/M40 |
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115 | 4 1/2 | 8*14 | 7*13 | 2 |
8.8 |
| 130 |
5 |
8*14 | 7*14 | 2 |
10 |
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5" Series DTH Drill Bits Product details
 | Matched hamme rdiameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 5" | 140 | 5 1/2 | 7*18 | 7*14 | 2 | 15.5 | DHD350/SD5/QL50/M50 |
| 152 | 6 | 8*18 | 8*14 | 2 | 16.6 |
| 165 | 6 1/2 | 8*18 | 9*14 | 2 | 18.2 |
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6" Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 6" | 165 | 6 1/2 | 8*18 | 8*16 | 2 | 24.5 | DHD360/SD6 QL60/M60 |
| 171 | 6 3/4 | 8*18 | 4*18+4*16 | 2 | 25 |
| 203 | 8 | 10*18 | 8*18+5*16 | 2 | 30 |
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8" Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 8" | 203 | 8 | 9*18 | 6*18+4*16 | 3 | 46 | DHD380/SD8/ QL80/M80 |
| 216 | 8 1/2 | 10*18 | 6*18+7*16 | 3 | 50 |
| 254 | 10 | 10*1 | 6*18+9*16 | 3 | 60 |
| 305* | 12 | 12*18 | 12*18+12*16 | 3 | 82 |
10" Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 10" | 254 | 10 | 12*18 | 12*18+9*16 | 2 | 90 | TH10/SD10NUMA100 |
| 280 | 11 | 12*18 | 12*18+11*16 | 2 | 100 |
| 305 | 12 | 14*18 | 14*18+11*16 | 2 | 120 |
| 310 | 12 1/4 | 14*18 | 14*18+13*16 | 2 | 125 |
12" Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 12" | 350 | 13 3/4 | 15*19 | 24*19+15*16 | 3 | 190 |
DHD112/SD10/NUMA120 |
| 400 | 15 3/4 | 30*19 | 18*19+22*16 | 3 | 230 |
| 450 | 17 3/4 | 33*19 | 21*19+39*16 | 3 | 250 |
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14" Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 14" | 430 | 16 15/16 | 30*22 | 18*19+25*16 | 3 | 245 | NUMA125/TK14 |
| 450 | 17 3/4 | 30*22 | 18*19+22*16 | 3 | 260 |
| 560 | 22 1/16 | 36*22 | 60*19 | 6 | 300 |
| 600 | 23 5/8 | 24*19 | 60*19+65*16 | 6 | 480 |
18" Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 18" | 550 | 21 5/8 | 48*19 | 90*18 | 6 | 560 | TK18 |
| 650 | 25 9/16 | 24*20 | 60*20+63*18 | 6 | 680 |
| 700 | 27 9/16 | 48*20 | 60*19+73*18 | 6 | 740 |
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28" Series DTH Drill Bits Product details
 | Matched hammer diameter(inch) | Bit diameter | Qty*Button Dia(mm) | Air holes | Weight | Bit shank |
| mm | inch | Gauge | Front | kg |
| 28" | 800 |
| 30*20 | 24*20+60*20+48*18+42*18 | 6 | 680 | TH28 |
| 1000 |
| 48*20 | 36*20+192*20+42*18+39*18 | 6 | 984 |
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Note:Orient can design and manufacture any types and sizes of PDC bits according to customer requirements.
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