SPM DHD 350 360 3 4 5 6 inch dth hammer chamfering cobalt drill bit set

SPM 5 inch High Pressure DTH Air Drill Hammer bit 140 is very popular in international ore drilling field.
It is widely used in international ore drilling field. Drill-the-hold hammer.
SPM 5" DTH Drill Hammer 450 drill holes from 140mm to 152mm.
Matched drilling bits:SPM450-140,SPM450-152.
We also supply other 3",4",5",6",10",12" High Pressure DTH Air Drill Hammers and various matched drill bits,
We offer SPM high air pressure DTH hammer size from 3" to 12"(Φ71mm-Φ275mm), SPM DTH hammers perform good in drilling well of diameter from 85mm to 600mm, especially excellent in deep hole well drilling works.
Different designing makes SPM DTH drill hammers are suitable for various well drilling conditions.

1.\tportable
2.\tfast drilling speed
3.\tstable performance
4.\tsaving air consumption
5.\tlonger service life

  We guarantee that we supply customers with leading drilling products by our superior service and effective scheme. Meanwhile, we have been pursuing the goal that we shall do utmost to improve the service life of product, reduce the maintenance cost, and provide a perfect solution. Sincerely welcome friends from home and abroad, we will provide you product with the highest quality, and show our greatest sincerity for establishing the business relationship!

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91.8% Response Rate

Q1.Why choose us?
A1. High-quality products, reasonable price, professional team work.

Q2. Which industry can use our products?
A2.Mining, tunnel, foundation pit, quarry, oil, well, etc.

Q3. Do you have different type for different kind of stone?
A3. Yes, according hardness of stone and stone's feature, we have different type respectively.

Q4. If we need technical support, can you offer us?
A4. Yes, we have an experienced team, offering our customers additional benefits with specific advice.

Q5. Do you offer free samples?
A5. Normally we do not offer free samples, but we could properly adjust according to detailed requirement.

Q6. Is there cheap shipping cost to import to our country?
A6. For small order, express will be the best, and for bulk order, sea is best way but take longer time. For urgent orders, we suggest via air or by express send to your destination.

Q7. Which Express company you send? How many days we can receive?
A7. We are official partner of TNT, UPS, DHL, Fedx. It will take only 3-5 days after we sent.

Q8. When you can reply to me when I send you an Inquiry?
A8. We promise to reply within 24 hours ( includs holidays) on receipt of your inquiry.

Q9. Are you a manufacturer or agent?
A9: We are a manufacturer.