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China, Chinese Re542 Re543 Re545 Re547 Re040 Re531 Pr 52 Pr54 Drill Bits for Sandvik Reverse Circulation (RC) Hammers1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsHammer BitReverse Circulation Hammer Bits
HEFEI ROSCHEN TOOL CO., LTD.
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Product Description Re542 Re543 Re545 Re547 Re040 Re531 Pr 52 Pr54 Drill Bits for sandvik Reverse Circulation (RC) HammersA reverse circulation drilling method for drilling cuttings carrying drill cuttings through the inner bore of the drill rod and returning from the borehole to the ground. The liquid (gas) flow of the reverse circulation drilling is compared with the conventional circulation method called positive circulation, in which the flushing medium is fed into the bottom of the drill hole through the inner hole of the drill rod and returns to the ground along the annular gap outside the drill rod. The speed of return is high, and it is very strong to carry rock powder. Rocks that have been drilled at the bottom of the hole can be discharged in time and quickly return to the surface.Main Advantages: 1. High drilling efficiency;2. Timely sampling and high rate of adoption are conducive to accurately assessing the stratum;3. Using higher grade carbides for longer life;4. Minimizes hole erosion in fragile formations5. Drills faster through soft formations with less blockages6. Drills straighter through consolidated and unconsolidated formations7. When drilling in the aquifer, the blockage of the pore wall by the mud can be avoided, and the original natural permeability of the formation can be maintained. The reverse circulation drilling can use various materials such as hard alloy, diamond, cone and scraper bit. Different rock fragmentation tools can be used for cyclic flush drilling of various rock fragmentation methods such as rotary drilling, impact drilling and impact rotary drilling, and the flushing medium can be clean water, mud or air. Can drill into the vertical hole, inclined hole or horizontal hole, can drill into all kinds of strata.Why do you need to set back injection on reverse circulation bit ? According to the way of mud circulation, the rotary drilling machine is divided into positive circulation drilling and reverse circulation drilling. Positive circulation drilling is that the mud is pumped out of the mud pool by the mud pump, the input hose is sent to the upper entrance of the hollow drill rod, and the hollow drill rod is sprayed to the bottom of the drill bit. The rotating drill bit lubricates the mud. ROSCHEN Reverse Circulation Bits SpecificationsRE531 RC bitsROSCHEN Code: ROS RC 30DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons863 3/86x124x12352844.2RE531-86893 1/28x128x12352874.3RE531-89953 3/48x128x12352934.6RE531-9510248x128x123521004.9RE531-102RE004 RC bitsROSCHEN Code: ROS RC 40DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1144 1/28x146x1435211211.5RE004-1141184 5/88x146x1435211611.7RE004-1181214 3/48x146x1435211912RE004-12112758x148x1435212512.4RE004-127RE542ROSCHEN Code: ROS RC 50DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons 1214 3/48x146x1435211910.6RE542-1211244 7/88x148x1335212210.8RE542-12412758x148x1435212511RE542-1271305 1/88x1410x1435212811.3RE542-130RE543ROSCHEN Code: ROS RC 50DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1244 7/88x148X1335212210.8RE543-12412758x148X1435212511RE543-1271305 1/88x1410X1435212811.3RE543-1301335 1/48x1610X1435213111.8RE543-133RE545ROSCHEN Code: ROS RC 50DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1244 7/88x148X1335212213.3RE545-12412758x148X1435212513.5RE545-1271335 1/48x1610X1435213113.8RE545-1331365 3/88x166x16+3x1435213414.2RE545-136PR40 RC bitROSCHEN Code: ROS RC 50DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1244 7/88x148X1335212214.3PR40-12412758x148X1435212514.7PR40-1271335 1/48x1610X1435213115.2PR40-1331385 4/98x166x16+3x1435213615.8PR40-138PR52 RC bitROSCHEN Code: ROS RC 55DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1335 1/48x1610x1435213111.2PR52-1331365 3/88x166x16+3x1435213411.5PR52-1361405 1/28x166x16+3x1435213811.9PR52-1401435 5/88x166x16+3x1435214112.3PR52-143RE547 RC bitROSCHEN Code: ROS RC 55DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1365 3/88x166x16+3x1435213415.1RE547-1361405 1/28x166x16+3x1435213815.5RE547-1401435 5/88x166x16+3x1435214115.8RE547-1431465 3/48x166x16+3x1435214416.3RE547-146PR54ROSCHEN Code: ROS RC 55DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1365 3/88x166x16+3x1435213418.2PR54-1361405 1/28x166x16+3x1435213818.5PR54-1401435 5/88x166x16+3x1435214118.8PR54-1431465 3/48x166x16+3x1435214419.2PR54-146Notes: Metzke, Remet thread is available!Any special size of Reverse Circulation bits will be available by requests. MX5456 RC bitsROSCHEN Code: ROS RC 50DiameterNo x Button diameter mmButton angleFlusing holesShroud Dia mmWeight (kgs)Part NomminchGauge ButtonsFront Buttons1335 1/48x168x1435213115.2MX5456-1331405 1/48x168x1435213818.5MX5456-1401465 3/48x188x1435214419.2MX5456-146Reverse circulation (RC) bits with below shank can be available:1. 3" RC Bits: Dia. 86mm-102mm shank RE5312. 4" RC Bits: Dia. 114mm-127mm Shank type: RE0043. 4.5" RC Bits: Dia. 121mm-133mm Shank type: RE542, RE5434. 5" RC Bits: Dia. 124mm-138mm Shank type: RE545, PR405. 5.5" RC Bits: Dia. 133mm-159mm Shank type: PR52, RE547, PR54, M5456 6. 6" RC Bits: Dia. 152mm-165mm 7. Any special specifications would be available againsts customer's requirements. 8. Special Button Size, or PCD Butons would be available. Roschen also provide various ranges products, such as DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etcProduct photosQuality warranty:Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.Package:Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.Production time:Generally need 15-25 daysTransportation:By air, By Express or By sea according to your requests.FAQQ: Are you a manufacturer or trading company?A: We are a specialized manufacturer.Q: What are your main products, and used for?A: Our products include core bit, PDC bit, reaming shell, core barrel, casing, drill rod, SPT equipment, Shelby sampler, drill rig and other drilling parts.They are used for mineral exploration, geological drilling, geotechnical engineering and soil sampling.Q: How about the delivery terms?1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.2. Min. order quantity: 1 piece.3. Transportation: By DHL/TNT/Fedex express, air, sea, train. Q: How about discount?A: Price is based on products and order quantity.Q: Do you accept sample order?A: Yes sure, please contact us for details.Q: How about your after-sales service?A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.Q: How does your company control the quality?A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004. For more information please contact: ROSCHEN INC.ROSCHEN GROUP LIMITEDROSCHEN HOLDINGS LIMITED : +86-137 6419 5009 ; +86-135 8585 5390 Website: http://roschen.en.made-in-china.com ; http://roschen.en.made-in-china.com http://roschen.en.made-in-china.com ; http://roschen.en.made-in-china.com
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