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Diamond Core Bit A4

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Diamond Core Bit A4

As one of the main manufacturers for diamond geological tools in China, our company has excellent product design, international advanced pressure-less sintering process, fully imported raw material, precise processing equipment, senior expert in powder metallurgy field and strict quality control. The company carries out design and customization as per different customers' demands to meet drilling demands at various levels.
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Product description
Performance Description
Drill Bit Selection
Casing Shoe, Rod Shoe

Impregnated Diamond Bit and Reaming Shell(PWL, HWL, NWL, BWL and TW Series)

Description of PWL HWL NWL BWL and TW series of diamond products:

As one of the main manufacturers for diamond geological tools in China, our company has excellent product design, international advanced pressure-less sintering process, fully imported raw material, precise processing equipment, senior expert in powder metallurgy field and strict quality control.We carries out design and customization as per different customers' demands to meet drilling demands at various levels.

Synthetic impregnated diamond bit: equivalent to a grinding wheel, diamond and matrix powder are made into a sintered body through powder metallurgy. When diamond is worn out or abraded, the matrix body is exposed synchronously. Therefore, a new sharp diamond exposes out of the matrix body again to keep the drilling bit cutting into rock at high speed.

Height of the impregnated layer refers to the height of the matrix body where the impregnated diamond bit crown contains diamond work layer. Our company can provide diamond bits with impregnated matrix height from 9mm to 20mm as per customers' demands. The regular matrix height is 12mm.

Shapes of drilling bits can be divided into drilling bits in standard, wedged and semicircle shapes; shapes of impregnated diamond bit waterway can be divided into standard, wedged and turbo type.

Sizes available for diamond bits and reaming shells

BWL, NWL, HWL, PWL, NWL-3, HWL-3, PWL-3

Equal to BQ NQ HQ PQ NQ3 HQ3 PQ3

T2, T6 series of conventional sizes:

T2-56, T2-66, T2-76, T2-86, T2-101

T6-76, T6-86, T6-101, T6-116, T6-131

We could not find any corresponding parameters, please add them to the properties table
Diamond Bit
Product Series Product name Product specifications Product Size Performance description
Diamond bit Surface-set BWL SS ∅59.6 mm * ∅36.4  mm High-quality natural diamond + polycrystalline + high wear resistance matrix, durable and satisfactory drilling time
NWL SS ∅75.3mm * ∅45.1 mm
HWL SS ∅95.6mm * ∅63.5 mm
PWL SS ∅122.1 mm * ∅85 mm
BTW SS ∅59.6 mm * ∅42  mm
NTW SS ∅75.3mm * ∅56 mm
Impregnated BWL Imp ∅59.6 mm * ∅36.4  mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
NWL Imp ∅75.3mm * ∅47.6 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
NWL-3 Imp ∅75.3mm * ∅45.1 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
NWLTT Imp ∅75.3mm * ∅45.1 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
HWL Imp ∅95.6mm * ∅63.5 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
HWL-3 Imp ∅95.6mm * ∅61.1 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
HWL TT  Imp ∅95.6mm * ∅61.1 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
PWL Imp ∅122.1 mm * ∅85 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
PWL-3 Imp ∅122.1 mm * ∅83 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
BTW Imp ∅59.6 mm * ∅42  mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
NTW Imp ∅75.3mm * ∅56 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
HTW Imp ∅95.6mm * ∅71 mm A2-A15 & HE3-HE13 with Crown Height 12,13,14,16,20mm
Reaming Shell
Product Series Product name Product specifications Product Size Performance description
Reaming Shell Surface-set BWL SS OD=60 mm High-quality natural diamond + polycrystalline + high wear resistance matrix, durable and satisfactory drilling time
BWL-3 SS OD=60 mm
NWL SS OD=75.7 mm
NWL-3 SS OD=75.7 mm
HWL SS OD=96.2 mm
HWL-3 SS OD=96.2 mm
PWL SS OD=122.7 mm
PWL-3 SS OD=122.7 mm
BTW SS OD=60 mm
NTW SS OD=75.7 mm
HTW SS OD=96 mm
Impregnated BWL Imp OD=60 mm High-quality synthetic diamond + polycrystalline + high wear resistance matrix, long service life
NWL Imp OD=75.7 mm
HWL Imp OD=96.2 mm
PWL Imp OD=122.7 mm
BTW Imp OD=60 mm
NTW Imp OD=75.7 mm

 

Bit Matrix Chart (A Series)
A Sries Rock Features Rock Type Hardness
A2 Extremely abrasive,highly fractured Wear-resistant sandstone, broken wear-resistant sandstone
A3 Medium soft,abrasive,fractured Broken wear-resistant sandstone, sandy shale, limestone, threshite
A4 Medium soft-hard,abrasive,fractured Sandy shale, limestone, threshite, gabbro
A5 Medium hard-hard,polishing+mixed Pyroxene, sorite, gabbro, diabase
A6 Medium hard-hard,polishing+mixed Threshold, gabbro, diabase, basalt, mica schist
A7 Medium hard-very hard,moderately abrasive Gabbro, diabase, basalt, mica schist, siltstone, granite
A8 Hard-very hard,polishing Coarse-grained basalt, mica schist, siltstone, granite, hematite, basalt, hard quartzite
A9 Hard-very hard,slightly abrasive Hematite, Basalt, Hard Quartzite, Quartz Conglomerate, Strip Iron Ore
A10 Very hard-extremly hard,slightly abrasive Hard Quartzite, Quartz Conglomerate, Bar Iron Ore, Taconite
A12/14 Extremly hard,non-abrasive,fine grain,very competent Bar Iron Ore, Taconite, Quartzite
A15 The hardest Iron cement, quartzite, black silicate
Bit Matrix Chart (HE Series)
HE Sries Mohs Hardness ROCKFEATURES ROCK TYPE Hardness
HE3 3.0-5.5 Soft Sandstone,Sandy Shale,Limestone,Sandy Limestone,Conglomerates,Peridotite,Serpentine,Weathered Granite,Dolomite
HE5 4.0-6.0 Soft to Medium Hard Abrasive Coarse-Grained Granite, Basalt,Pegmatite,Skarns,Rhyolite
HE7 5.0-6.5 Medium to Hard Granite,Pegmatite,Skarns,Rhyolite,Jasperite,Glassy Quartz,Basalt
HE9 6.0-7.5 Hard to Very Hard Granite,Syenite,Quartz,Diorite,Gneiss,Silicified Volcanics,Diabase,Gabbro,Quartz,Chert,Basalt
HE11 6.5-7.5 Hard to Extremely Hard Basalt, Felsic,Volcanic Rock,Diorite,Silicified Volcanics,Quartz,Quartz,Chert
HE13 7.0-8.0 Hardest Calcite,Quartzite,Taconite
Bit Abrasiveness
      A3 A5 A7 A8 A9 A10 A12/14 A15
Very hard Chert  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Jasperite  
Glassy Quartz  
Rhyoite  
   
Diorite  
Granite  
Gneiss  
Quartzite  
   
Granlte Skarns  
Pegmatite  
Quartz  
Silicified Volcanics  
   
Basalt  
Diorite  
Diabase  
Gabbro  
   
Dolomite  
Weathered Granite  
Serpentine  
Peridotite  
   
Conglomerates  
Sandy Shales  
Soft Sandstone  
Sandy Limestone  
               
Very Abrasive            
         
Abrasive        
         
Medium Abrasive        
           
Slightly Abrasive            
           
Non-Abrasive        
           
Casing Shoes
Type O.D(mm) I.D(mm)
Imperial Metric Imperial Metric
AW 2.345 59.56 1.900 48.26
BW 2.965 75.31 2.370 60.20
NW 3.615 91.82 2.992 76.00
HW(CDDA) 4.625 117.48 3.925 99.70
HW(DCDMA) 4.625 117.48 3.975 100.97
HWT(CDDA) 4.625 117.48 3.925 99.70
HWT(DCDMA) 4.625 117.48 3.975 100.97
PW 5.653 143.58 4.855 123.30
PWT 5.653 143.58 4.855 123.30
56mm 2.205 56.00 1.850 47.00
76mm 2.992 76.00 2.638 67.00
86mm 3.386 86.00 3.031 77.00
101mm 3.976 101.00 3.445 87.50
131mm 5.157 131.00 4.646 118.00
Rod Shoes
Type O.D(mm) I.D(mm)
Imperial Metric Imperial Metric
B-WL(BQ) 2.345 59.56 1.780 45.21
N-WL(NQ) 2.965 75.31 2.370 60.20
H-WL(HQ) 3.615 91.82 2.992 76.00
P-WL(PQ) 4.750 120.66 3.985 101.22
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Diamond Core Bit A5

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