China Drilling Down The Hole Hammer DTH Hammer for Mining and Water Well Rock Drilling, Find details about China DTH Hammers Low Air Pressure, DTH Hammer and Bit Price from Drilling Down The Hole Hammer DTH Hammer for Mining and Water Well Rock Drilling
Ref. | Parts | Weight | Part No | Ref. | Parts | Weight | Part No |
01 | Top Sub | 3.5 Kg | 01-ND25A-01 | 09 | Guided Sleeve | 0.7 Kg | 01-ND25A-09 |
02 | O"Ring | 0.01 Kg | 01-ND25A-02 | 10 | Retainer Ring | 0.1 Kg | 01-ND25A-10 |
03 | Check Valve | 0.13 Kg | 01-ND25A-03 | 11 | O"Ring | 0.01 Kg | 01-ND25A-11 |
04 | Spring | 0.02 Kg | 01-ND25A-04 | 12 | Drive Chuck | 1.5 Kg | 01-ND25A-12 |
05 | Valve Seat | 0.56 Kg | 01-ND25A-05 | 13 | Drill Bit |
| 01-ND25A-13 |
06 | Inner Cylinder | 1.1 Kg | 01-ND25A-06 |
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07 | Piston | 3.8 Kg | 01-ND25A-07 |
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08 | Piston Case | 4.5 Kg | 01-ND25A-08 |
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Length(Less bit) | Weight | Outer Diameter | Connection Thread | Bit Shank | Hole Range |
872mm | 16Kg | C71mm | T48X10X1.5 | ND25A | C76-C90mm |
Work Pressure | Recommended Rotation Speed | Air Consumption | |||
/ | / | 1.0Mpa | 1.5Mpa | ||
1.0-1.7 Mpa | 30-50 r/min | 3m3/min | 4.5m3/min |
Q1. Are you manufacturer or trader?
A: We are manufacturer of drilling rig and drilling accessories. Actually, we produce most of the parts in our own factory for better cost and quality control.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% against copy of B/L.
Q3. How about your delivery time?
A: Generally, it will take 7 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order. Sometimes we have some in stock.
Q4. Are you interested in dealership with local company?
A: Yes, we are quite interested in this business. We'd like to cooperate with some local partner to sell more World
machines in local market and supply better service.
Q5. What is your warranty policy?
A: We can supply one year warranty or 2000h for our machines. We will provide parts as free within warranty.
We can send engineer to customer place if big quality problem. We can provide internet or calling service at any time.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,