DTH Rock Drill Bits DHD340 140mm
Guizhou Sinodrills Equipment Co., Ltd.- Certification：ISO 9001:2008
- Manufacturing Process：Forging
- Material：Alloy Steel
- Product Name：DHD340 DTH Bits 140mm
- Diameter：140mm
- Face Shape：Convex, Flat, Concave
Base Info
- Model NO.：DHD 340
- Button Shape：Ballistic, Spherical, Semi-Ballistic
- Shank：DHD 340
- Weight：11 Kg
- Application：Mining, Quarry, Water Well Drilling, Foundation
- Rock Formation：Limestone, Granite, Basalt etc
- Transport Package：Plywood Box
- Specification：DHD340 - 140
- Trademark：SINODRILLS
- Origin：China
- HS Code：8207199000
- Production Capacity：10000,Month
Description
DHD 380203 √ √ 48.1 kgs DHD380-203 216 √ √ 52.0 kgs DHD380-216 241 √ √ 58.7kgs DHD380-241 254 √ √ 60.4 kgs DHD380-254 292 √ √ 80.1 kgs DHD380-292 305 √ √ 83.5kgs DHD380-305
Product photos
Related products
What we do
Our company
Our Workshop
FAQ
Q1: Are you a manufacturer?
A1: Yes, we own 2 plants to manufacture various drilling products, including TH (top hammer) drilling products, DTH drilling products, self-drilling anchor systems and drag bits.
So we are a one-stop supplier of full range of rock drilling products.
Q2: What qualifications do you have?
A2: Till 2016, we have following qualifications:
- ISO 9001:2008 quality management system;
- 3AA2 credit rating by Dun & Bradstreet;
- Honoring Contract and Keeping Promise Enterprise by AIC;
- EC examination certificate for self-drilling anchor bars;
- 2 invention patents & 6 utility patents.
Q3: Where did you export and what was your annual export amount?
A3: Till 2020 we have exported to 105 countries and our average annual export amount within recent 3 years is 30 million USD.
Q4: What kind of payment terms do you offer and what is your best payment terms?
A4: We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. Our best payment terms is 120 days after shipping date for our distributors and sole distributors.
Q5:Do you offer warranty on your products?
A5: Yes, for different products we offer different warranty that cover all manufacturing defects in materials and workmanship. The longest period of warranty is 2 years after shipping date.
Q6: Do you offer OEM service?
Q6: Yes, we offer OEM service if you have regular requirement.
Notes:
1, All diameters as above are only our standard diameters, but other diameters are also available upon request.
2, The unit weight for each size is for reference only.
3, Face design, buttons shape, buttons configuration and flushing holes number must be confirmed when the order is confirmed.
4, Please be cautious when order some bigger diameter of button bits since some bigger diameters are oversized.
5, Other shanks bits are also available as per request.
Product photos
Related products
| Hammer size | Shank type | Recommended DTH bits diameter | Working pressure |
| 3.5"/3" DTH hammer | COP32, COP34, DHD3.5, MISSION30 | 90mm - 105mm | 8-30 bar |
| 4" DTH hammer | DHD340, QL40, MISSION40, SD4, TD40, COP44, COP44 GOLD, COP42 | 110mm - 130mm | 8-30 bar |
| 5" DTH hammer | DHD350, QL50, MISSION50, SD5, TD50, COP54, COP54 GOLD | 134mm - 152mm | 8-30 bar |
| 6" DTH hammer | DHD360, QL60, MISSION60, SD6, TD60, COP64, COP64 GOLD, COP66 | 152mm - 203mm | 8-30 bar |
| 8" DTH hammer | DHD380, QL80, MISSION80, SD8 | 203mm - 305mm | 8-30 bar |
| 10" DTH hammer | SD10, Numa100 | 240mm - 311mm | 17-24 bar |
| 12" DTH hammer | DHD112, SD12, QL120, Numa120 | 311mm - 445mm | 17-24 bar |
What we do
| Down The Hole rock drilling tools | Top hammer rock drilling tools | Self drilling anchor system | Drag bits |
 |  |  |  |
| - DTH hammers - DTH bits - DTH drill pipes - Odex and Symmeric drilling | - Taper drill bits and rods - Threaded buttons bits and drill rods - Shank adapters - Couplings | - Threaded hollow anchor bars. - Accessories ( drill bit, coupling, nut, plate, centralizer etc.) | - Step drag bit (3 wings, 4 wings ) - Chevron drag bit (3 wings, 4 wings ) |
| Application | Application | Application | Application |
| Mining, quarry, water well drilling, geothermal drilling, construction foundation work etc. | Mining, quarry, construction foundation work | tunnel roof support, slop stability, Soil nailing, rock bolting, micropile etc. | mining, water well drilling, geothermal drilling etc. |
Our Workshop
FAQ
Q1: Are you a manufacturer?
A1: Yes, we own 2 plants to manufacture various drilling products, including TH (top hammer) drilling products, DTH drilling products, self-drilling anchor systems and drag bits.
So we are a one-stop supplier of full range of rock drilling products.
Q2: What qualifications do you have?
A2: Till 2016, we have following qualifications:
- ISO 9001:2008 quality management system;
- 3AA2 credit rating by Dun & Bradstreet;
- Honoring Contract and Keeping Promise Enterprise by AIC;
- EC examination certificate for self-drilling anchor bars;
- 2 invention patents & 6 utility patents.
Q3: Where did you export and what was your annual export amount?
A3: Till 2020 we have exported to 105 countries and our average annual export amount within recent 3 years is 30 million USD.
Q4: What kind of payment terms do you offer and what is your best payment terms?
A4: We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. Our best payment terms is 120 days after shipping date for our distributors and sole distributors.
Q5:Do you offer warranty on your products?
A5: Yes, for different products we offer different warranty that cover all manufacturing defects in materials and workmanship. The longest period of warranty is 2 years after shipping date.
Q6: Do you offer OEM service?
Q6: Yes, we offer OEM service if you have regular requirement.