Wuhan Kingdrilling Diamond Co., Ltd.

Thread Ring Bit Casing System by Top HammerProduct detailsKINGDRILLING provides rock drilling tools including civil engineering projects, tunneling, surface drilling, anchoring, foundation projects, and piling. This is true for all drilling methods such as top hammer, DTH and rotary drilling.Product feature:KINGDRILLING professionally produce thread ring bit casing for unstable ground conditions.Application Range: Suitable for drilling water wells, geothermal wells, medium mini-type grouting hole of building, dam and harbor project.Thread Ring Bits Advantagesï¼?1. Hardening treatment of the partâ??s surfaceï¼?with longer operating life and excellent anti-wear properties2. Simple structureï¼?greatly minimize the chances of structural failure, convenient operation 3. superior performanceï¼?take care of both the drilling wear lifeFAQ:1. How about the common packing?A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.2. Can I expect a quality products?A: Yes. mature production technology ensuring the quality satisfy international request.3. How to check the product are the exact one you want?A: If possible, please attach one reference picture to avoid any misunderstanding or any links from ourwebsite for a better understanding.here will be strict inspection and testing for each order before shipping out.4. Fast delivery time:A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.5. Shipping way:A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by airBulk order: by air or by sea we suggest.6. Methods of Payment:T/T (Telegraphic Transfer) or Western Union.7. How to choose the suitable head face of the DTH drill bit?a. Concave:Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.b. Convex:Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.c. Flat:Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.