Audited Supplier
Factory Price 8 1/2 inch 215mm IADC537 Tricone Drill Bit for Water Well Drilling
About us:
Qideli are a famous drilling tool manufacturer in China since 1990
We Support :
1.DTH Hammer & button bit, drill rod
2.Top hammer bit & shank adapter & drill rod
3.Taper bit, taper rod
4.New and used air compressor and drilling rig
Our products have a great advantage both in price and quality, as well as gotten good reputation from our customers from South Africa, Iran, Malaysia, Burkina Faso, South Korea, Japan, Spain, and the Middle East ETC,more than 50 countries or regions
Customization is welcome ,we are always be here for your solutions,when you need in.
| Basical Specification | |
| Bit Size | 8 1/2'',215mm |
| IADC Code: | 537 |
| Thread Connection | 4 1/2 API REG PIN |
| Series | HR series rubber sealed bearing |
| Nozzle Qty | 3NZ |
| Weight | 38KG |
| Operating Parameters | |
| WOB(kN/mm) | 0.45-1.0 |
| RPM(r/min) | 120-50 |
| Formations | Soft to medium formation |
| DC | WOB | RPM | Applicable Formations |
| (KN/MM) | (r/min) | ||
| (Bit Dia) | |||
| 116 117 | 0.35~0.8 | 150~80 | Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc. |
| 136 137 | 0.35~1.0 | 120~60 | Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect. |
| 216 217 | 0.4~1.0 | 100~60 | Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect. |
| 246 247 | 0.4~1.0 | 80~50 | Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect. |
| 417 437 | 0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc. |
| 447 | |||
| 517 527 | 0.35~1.0 | 140~60 | Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect. |
| 537 547 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect. |
| 617 627 | 0.45~1.1 | 90~50 | Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect. |
| 637 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect. |
Company information 
Certificate
FAQ
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
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
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. Can you customize the product?
We can customize products according to your required diameter, face shape, button size and color. We can produce by your samples or technical drawings.
6. After 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
