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[China]
Trade Verify
Address: No55. Jiucaiyuan road, Furong District, Changsha, Hunan,China
Contact name:Ling Bo
Changsha Sollroc Engineering Equipments Co., Ltd |
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Verified Suppliers
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8" Atlas Copco Down The Hole SD8 DTH Button Drill Bits For Waterwell Drilling
Product specifications: SD8 dth bits
Matched hammer Dia. (inch) | Bit Dia. (mm) | Bit Dia. (inch) | Gauge Qty*Button Dia. (mm) | Font Qty* Button Dia. (mm) | Air Holes | Weight (kg) | Bit Shank |
| 2" | 70 | 2 3/4 | 6*10 | 4*8 | 2 | 3 | BR2 |
| 76 | 3 | 6*12 | 5*10 | 2 | 3.6 | ||
| 3" | 90 | 3 9/16 | 7*12 | 6*11 | 2 | 4.2 | BR3/BR33/COP32 |
| 95 | 3 3/4 | 6*14 | 4*13 | 2 | 4.5 | ||
| 102 | 4 | 6*14 | 5*13 | 2 | 5.9 | ||
| 3.5" | 90 | 3 9/16 | 6*14 | 4*13 | 2 | 4.9 | DHD3.5 |
| 95 | 3 3/4 | 6*14 | 4*13 | 2 | 5.2 | ||
| 102 | 4 | 6*14 | 5*13 | 2 | 5.9 | ||
| 4" | 105 | 4 1/8 | 7*14 | 26*13 | 2 | 8 | DHD340/SD4/QL40/M40/COP42 |
| 115 | 4 1/2 | 8*14 | 7*13 | 2 | 8.8 | ||
| 130 | 5 | 8*14 | 7*14 | 2 | 102 | ||
| 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 | ||
| 6" | 165 | 6 1/2 | 8*18 | 8*14 | 2 | 24.5 | DHD360/SD6/QL60/M60 |
| 171 | 6 3/4 | 8*18 | 8*18 | 2 | 25 | ||
| 203 | 8 | 8*18 | 8*18 | 2 | 30 | ||
| 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*18 | 6*18+9*16 | 3 | 60 | ||
| 10" | 254 | 10 | 12*18 | 12*18+9*16 | 2 | 90 | SD10 /NUMA100 |
| 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" | 350 | 13 3/4 | 15*19 | 24*19+15*16 | 3 | 190 | DHD112/SD12 /NUMA120 |
| 400 | 15 3/4 | 30*19 | 18*19+22*16 | 3 | 230 |
Product photos
We take pride in being the only manufacturers in China that has a
diverse line of DTH bits that range from 3"-47"(76mm~1200mm)in
diameter with most the leading hammer shanks.
Made from high quality alloy steel and advanced heat-treatment,
Sollroc bits are ensured extreme protection against wear and
fatigue.They're also available in four different bit-head
designs-Convex,Flat,Concave and Drop center face,and four different
inserts-Spherical,Ballistic,Semi-Ballistic,Two-Step to tackle any
challenge and rock formations
Bit Face Selection of DTH Bit
Face Shape | Applictions | Typical formations |
Flat | Hard and abrasive formations,all around. | Granite,hard limestone |
Concave | Medium hard to hard formations.Less abrasive,fractured
formations.Excellent control over hole deviation. | Granite,hard limestone,basalt |
Convex | Soft to medium hard rock.Non abrasive formations.High penetration
rate. | Limestone,hard limestone,shale |
Drop Center | Soft to medium hard and fractured formations. | Limestone,shale |
Sollroc is recognized as one of the professional manufacturer and
supplier of high performance rock drilling tools like: DTH hammers
and bits, RC hammers and bits, DTH drill rods and top hammer
drilling tools with more 10 years of experience. Our tools are
widely used in different drilling applications including mining,
quarrying, water well drilling, geotechnical industries and etc.
