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China Wontech High air pressure DHD 3.5 inch down the hole 3inch dth hammer
DHD/COP shank hammer>>>
| Model | Shank style | Bit with foot valve | Thread connection | Outside diameter | Rec.hole size(mm) | Length without bit(mm) | Weight without bit(mm) | Working pressure(bar) |
| 3.5" | ||||||||
| WD30R | DHD3.5 | with | API 2 3/8" Reg Pin | 82 | 90-115 | 930 | 24 | 10-15 |
| WD30 | DHD3.5 | without | API 2 3/8" Reg Pin | 82 | 90-115 | 878 | 23 | 10-15 |
| 4" | ||||||||
| WD40R | DHD340/COP44 | with | API 2 3/8" Reg Pin | 99 | 108-135 | 1064 | 39 | 10-25 |
| WD40 | DHD340/COP44 | without | API 2 3/8" Reg Pin | 99 | 108-135 | 1000 | 39 | 10-25 |
| 5" | ||||||||
| WD50R | DHD350/COP54 | with | API 3 1/2" Reg Pin | 125 | 135-155 | 1210 | 76 | 10-25 |
| WD50 | DHD350/COP54 | without | API 3 1/2" Reg Pin | 125 | 135-155 | 1110 | 69 | 10-25 |
| 6" | ||||||||
| WD60R | DHD360/COP64 | with | API 3 1/2" Reg Pin | 146 | 152-203 | 1250 | 102 | 10-25 |
| WD60 | DHD360/COP64 | without | API 3 1/2" Reg Pin | 146 | 152-203 | 1240 | 99 | 10-25 |
| 8" | ||||||||
| WD80R | DHD380/COP84 | with | API 4 1/2" Reg Pin | 180 | 195-305 | 1490 | 198 | 10-25 |
| WD80 | DHD380/COP84 | without | API 4 1/2" Reg Pin | 180 | 195-305 | 1350 | 177 | 10-25 |
| 12" | ||||||||
| WD120R | DHD1120 | with | AP I6 5/8" Reg Pin | 275 | 305-500 | 1900 | 481 | 10-25 |
China Wontech High air pressure DHD 3.5 inch down the hole 3inch dth hammer

China Wontech High air pressure DHD 3.5 inch down the hole 3inch dth hammer
Northern Europe: foundation, piling
Western Europe: water well and geothermal drilling
Russia: Oil, infrastructure and mining.
South east asia: mining and geothermal
South Africa: mining and water well drilling
Middle east: water well drilling
Oceania: mining, exploration and water well drilling
South America: water well drilling and mining
China Wontech High air pressure DHD 3.5 inch down the hole 3inch dth hammer
1.Packing:Carton or wooden case
2.Shipping: By sea / By air / By car / By train
China Wontech High air pressure DHD 3.5 inch down the hole 3inch dth hammer





China Wontech High air pressure DHD 3.5 inch down the hole 3inch dth hammer
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Within 10 days supplied from stock
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Sale Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality
Changsha Wontech Engineering Machinery Co.,Ltd.

China Wontech High air pressure DHD 3.5 inch down the hole 3inch dth hammer
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