Sinodrills High Pressure 8-30 Bar DHD 3.5 DTH Hammer for Mining Quarry Water Well Rock Drilling
China Sinodrills High Pressure 8-30 Bar DHD 3.5 DTH Hammer for Mining Quarry Water Well Rock Drilling, Find details about China DTH Hammer, Down The Hole Hammer from Sinodrills High Pressure 8-30 Bar DHD 3.5 DTH Hammer for Mining Quarry Water Well Rock Drilling
Basic Info.
Model NO.
GSE - DHD 3.5
Net Weight
23 Kgs
Length Without Bit
808 mm
Hole Size Range
90-105mm
Frequency at 18 Bar
32 Hz
Air Consumption
4.5 M3/Min at 10 Bar
Trademark
SINODRILLS
Transport Package
Plywood Box
Specification
3′′
Origin
China
HS Code
8207199000
Model NO.
GSE - DHD 3.5
Net Weight
23 Kgs
Length Without Bit
808 mm
Hole Size Range
90-105mm
Frequency at 18 Bar
32 Hz
Air Consumption
4.5 M3/Min at 10 Bar
Trademark
SINODRILLS
Transport Package
Plywood Box
Specification
3′′
Origin
China
HS Code
8207199000
Product Desciption
Product specification
GSE- DHD 3.5 DTH hammer
| DTH hammer exploded view | Parts name | Part number | Approx. weight(kg) |
 | 01- top sub: 2 3/8" API Reg pin | DHD3.5-01 | 5.08 |
| 02 -O ring | DHD3.5-02 | 0.01 | |
| 03-check valve dart | DHD3.5-03 | 0.14 | |
| 04-Spring | DHD3.5-04 | 0.02 | |
| 05-steel washer | DHD3.5-05 | 0.10 | |
| 06-rigid valve | DHD3.5-06 | 0.82 | |
| 07-O ring | DHD3.5-07 | 0.01 | |
| 08-internal cylinder | DHD3.5-08 | 1.20 | |
| 09-piston | DHD3.5-09 | 5.08 | |
| 10-piston case | DHD3.5-10 | 8.24 | |
| 11- bit retainer ring | DHD3.5-11 | 0.12 | |
| 12- O ring | DHD3.5-12 | 0.01 | |
| 13- drive sub | DHD3.5-13 | 1.79 | |
| Service kit: | DHD3.5-SK | 0.03 | |
| 02 x 1 | |||
| 07 x 1 | |||
| 11 x 1 | |||
| 12 x 1 | |||
| Rebuild kit: | DHD3.5-RK | 15.14 | |
| Except 06, 08 and 09 | |||
| Bit Shank DHD3.5 |  | ||
| GSE-DHD3.5 DTH hammer technical data | ||||
| Net weight | Out diameter | DTH hammer length without bits | Frequency at 18 bar | |
| 22.62kgs | 80mm | 808mm | 32 HZ | |
| Rec. hole size | Working pressure | Air consumption: M3 (CBM)/min | ||
| 90mm-105mm | 8 bar-30 bar | @ 10 bar | @18 bar | @ 24 bar |
| 4.5 | 9.5 | 12.5 | ||
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 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.
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.
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