12'' Inch SD12 DTH Hammer
Guizhou Sinodrills Equipment Co., Ltd.- Certification：ISO 9001:2008
- Manufacturing Process：Forging
- Material：Alloy Steel
- Working Pressure：17-24 Bar High Air Pressure
- Application 1：Mining, Quarry, Water Well Drilling, Construction
- Application 2：Limestone, Granite, Basalt etc Rock Drilling
Base Info
- Model NO.：SD12
- Net Weight：675 Kgs
- Outer Diameter：275 mm
- Length Without Bit：1938 mm
- Frequency at 17bar：17Hz
- Hole Range：311-444.5 mm
- Transport Package：Plywood Box
- Specification：12′′
- Trademark：SINODRILLS
- Origin：China
- HS Code：8207199000
- Production Capacity：10000,Month
Description
Basic Info.
Model NO. SD12 Net Weight 675 Kgs Outer Diameter 275 mm Length Without Bit 1938 mm Frequency at 17bar 17Hz Hole Range 311-444.5 mm Transport Package Plywood Box Specification 12′′ Trademark SINODRILLS Origin China HS Code 8207199000 Production Capacity 10000/MonthProduct Description
Product specification
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.