High Performance Diamond Drill Bit PDC Concave Drag Bit for Coal Mining Rig

• Type：Mini Drill
• Usage：Well Drilling
• Certification：ISO9001
• Weight：5kg
• Thread：Male or Female
• API：2 3,8", 3 1,2", 4 1,2" Support Customization

=== Base Info ===

• Model NO.：146#
• Material：Alloy Steel, Diamond, Carbide
• Formation：Medium Hard, Hard Rock Formation
• Application：Groutiong, Coal Mine Gas Discharge
• Features：Fast Speed, High Efficiency
• Corlor：Golden or Customized
• Transport Package：Carton or Wooden Box
• Specification：75~325#
• Trademark：speedmade
• Origin：Hunan
• HS Code：8207191000
• Production Capacity：5000000pieces,Year

=== Description ===
4. Composite sheet reinforced:There are mainly 1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with the geological sheet/petroleum sheet to achieve reasonable use.
Applicable stratum: clay stratum, sand stratum, gravel stratum and weathered stratum.Rock grouping and recommended use of the bit tableGrade nameRepresentsDrilling speedSuggested drill bit1Loose soilredeposited loess,lateritite,Soft sandy soil free of gravel and breccia,diatomite15/HPineapple bit,slice,plain film,Scraper coreless bit2Loose soilloess,red clay,cumulosol,Sand soil,Kaolin class8/HPineapple bit,denticle,slice,Triangle,Bread3Soft rockStrongly weathered shale,Slate,schist,Slightly cemented sand layer6/HScraper coreless bit,Concave three wings,slice,Breadslice4A little soft rockSlate,arenaceous shale,carbonaceous shale,argillaceous marl,calcareous shale5/Hscraper,Recessed coreless bit,slice,Bread,Breadslice,Triangle,Electroplated diamond5A little hard rockRubble and gravel layer collapse layer,Slate,limestone,Marble,schist3/HConcave three wings,Bread,A helmet piece,Electroplated diamond6-7Medium hardnessSlate,schist,Silicified limestone,Calcite2/HBread,A helmet piece,Electroplated diamond,Hot pressed diamond,Innovative no.7 fast bit6-7Medium hardnessSlate,schist,Silicified limestone,Calcite2/HBread,A helmet piece,Electroplated diamond,Hot pressed diamond,Innovative no.7 fast bit8-9Hard layerBasalt,Quartz anshan porphyry,Fai green rock1.2/HA helmet piece,Low-alcohol electroplating,Low thermal,Innovative no.7 fast bit10-11Super Hard rock Granite,granodiorite,gneiss,rhyolite,aposandstone0.8/HLow-alcohol electroplating,Low thermal,Innovative no.7 fast bit12Super Hard rockaposandstone,jasperite,hornberg,corundolite0.3/HLow-alcohol electroplating,Low thermal,Innovative no.7 fast bit

Main product

Application

Borehole drilling, Civil Infrastructure, civil engineering, and infrastructure, for rock core drilling, Soil Testing and sampling, geophysical survey companies, Pile foundation drilling, bridge drilling, wind power generation, large-mouth engineering drilling, oil field, metallurgy, mining, geological mineral exploration, water conservancy and hydropower construction, coal mine, mine tunnel drilling, grouting reinforcement engineering, highway, subway, high-speed rail, concrete core sampling, etc, Coring exploration, drilling.

 

Workshop
Why we achive today′s achievements is because we are supported and assisted by a highly experienced team of designers and engineers that enable us to complete all the assigned projects successfully as per the specified requirement from our clients. Speedmade Industries Co., Ltd will continue committing to provide low cost Rock Drills, Drilling tools, well drilling rigs, high efficiency drilling tools, energy saving and environmental product for domestic and international clients.

-WHY CHOSE US-

--The first-class engineers of tricone bits and PDC bits
--Advanced technology and Equipment, International standard.
--R&D center for rock drilling tools, high precision CNC machines, SGS&ISO Certified.
--10+ Years & 40+ Countries of service experience.
--Optimized solutions for the various requirements.

DIY customization: please provide your rock formation information or detailed size drawings.

Free samples: some samples can be provided free of charge.

Payment:T/T L/C,D/A,D/P,Western Union,MoneyGram.
 

 
Purchase process