Impregnated diamond core drill bit,Imp core bit,Matrix selection F1,F2,F3,F4,F5,F6,F7,F8,F9,F10
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Diamond bit, Diamond core bit, Impregnated diamond core bits
We manufacture premuim diamond bit, diamond core bit, impregnated diamond core bits. Our standard matrix height is 6mm, the working part is also called "Crown". Matrix height can also be 8mm,9mm,10mm,12mm. And different color selections for drilling different rocks from soft,medium to hard,ultra hard such as: Clay,Sandstone,Gypsum,Talc,Tuff,Shale,Serpentinite,Calcite; Siltstone,Limestone,Marble,Andesite,Dolomite,Reinforced concrete,Porphyry; Basalt,Pegmatite,Gabbro,Schist,Norite,Syenite,Peridotite; Amphibolite,Diorite,Gneiss,Granite,Rhyolite,Quartzite; Ironstone,Taconite,Jasperite,Quartz,Chert. Also we supply with surface set diamond core bits,tungsten carbide core bits,PDC core bits, TSP(geocube) core bits,electroplated diamond core drill bits. Also we supply non coring bits,reaming shells,core barrels,drilling rods,overshots,diamond casing shoe bit and other diamond drilling equipments and drill rigs for site investigation,mineral exploration,oil well,water well drilling applications. Matrix hardness, diamond size and dosing can be varied according to the rock which must be cut, so the matrix of our impregnated diamond core drill bits is designed for rock formation from soft matrix recipe to the very hard matrix recipe. Especial include fractured, abrasive or silicified rocks. Matrix hardness selection is simplified by our colour system, which designed to help you match the most effective impregnated diamond core bits to your drilling application. please click the following links to find more information of our drilling bits.
 PDF Matrix selection for impregnated diamond core drill bit
matrix selection
matrix selection for impregnated diamond core bit
NQ impregnated diamond core drill bit
N impregnated diamond core drill bit
NQ impregnated diamond core drill bit
N impregnated diamond core drill bit
HQ impregnated diamond core drill bit
H impregnated diamond core drill bit
HQ impregnated diamond core drill bit
H impregnated diamond core drill bit
Q core bit matrix
series matrix of impregnated diamond core bit
impregnated diamond core drill bit
3 series impregnated diamond core bit
NQ3 impregnated diamond core drill bit
N3 impregnated diamond core drill bit
NQ3 impregnated diamond core drill bit
N3 impregnated diamond core drill bit
HQ3 impregnated diamond core drill bit
H3 impregnated diamond core drill bit
HQ3 impregnated diamond core drill bit
H3 impregnated diamond core drill bit
Q3 core bit matrix
3 series matrix of impregnated diamond core bit
NMLC impregnated diamond core bits NMLC impregnated diamond core bits and reaming shells
NMLC impregnated diamond core bits NMLC impregnated diamond core bits and reaming shells
AQ,NMLC series impregnated diamond core bits NMLC impregnated diamond core bits and reaming shells NMLC impregnated diamond core bits NMLC series matrix of impregnated diamond core bit  
A,NMLC series impregnated diamond core bits NMLC impregnated diamond core bits and reaming shells NMLC impregnated diamond core bits NMLC series matrix of impregnated diamond core bit  

A gauge core bits B gauge core bits
SIZE Outside diameter Inside diameter SIZE Outside diameter Inside diameter
inch mm inch mm inch mm inch mm
A 1.880~1.870 47.75~47.50 1.607~1.057 27.10~26.85 B 2.350~2.340 56.69~59.44 1.438~1.428 36.52~36.27
A-RSG 1.895~1.885 48.13~47.88 1.067~1.057 27.10~26.85 B-RSG 2.365~2.355 60.07~59.82 1.438~1.428 36.52~36.27
AWG / AX 1.880~1.870 47.75~47.50 1.190~1.180 30.23~29.97 B-2.400 2.045~2.395 61.09~60.83 1.438~1.428 36.52~36.27
AWM 1.880~1.870 47.75~47.50 1.190~1.180 30.23~29.97 B3 2.350~2.340 56.69~59.44 1.325~1.315 33.65~33.40
AWT 1.880~1.870 47.75~47.50 1.286~1.276 32.66~32.41 BWG / BX 2.350~2.340 56.69~59.44 1.660~1.650 42.16~41.91
LTK48 1.880~1.870 47.75~47.50 1.394~1.384 35.40~35.15 BWM 2.350~2.340 56.69~59.44 1.660~1.650 42.16~41.91
          BWT 2.350~2.340 56.69~59.44 1.755~1.745 44.58~44.32
          LTK60 2.350~2.340 56.69~59.44 1.742~1.732 44.25~44.00
          TBW 2.350~2.340 56.69~59.44 1.785~1.775 45.34~45.09
N gauge core bits H gauge core bits
SIZE Outside diameter Inside diameter SIZE Outside diameter Inside diameter
inch mm inch mm inch mm inch mm
N 2.970~2.960 75.44~75.19 1.880~1.870 47.75~47.50 HQ 3.770~3.755 95.76~95.38 2.505~2.495 63.63~63.38
N-RSG 2.985~2.975 75.82~75.57 1.880~1.870 47.75~47.50 HQ-RSG 3.790~3.755 96.27~95.89 2.505~2.495 63.63~63.38
N-3.032 3.037~3.027 77.14~76.89 1.880~1.870 47.75~47.50 HQ-3.830 3.840~3.825 97.54~97.16 2.505~2.495 63.63~63.38
N2 2.970~2.960 75.44~75.19 2.000~1.990 50.80~50.55 HQ-3.895 3.897~3.882 98.98~98.60 2.505~2.495 63.63~63.38
N2-RSG 2.985~2.975 75.82~75.57 2.000~1.990 50.80~50.55 HQ3 / HQTT 3.770~3.755 95.76~95.38 2.411~2.401 61.24~60.99
N3 / NTT 2.970~2.960 75.44~75.19 1.780~1.770 45.21~44.96 HQ3-RSG 3.790~3.755 96.27~95.89 2.411~2.401 61.24~60.99
N3-RSG 2.985~2.975 75.82~75.57 1.780~1.770 45.21~44.96 HQ3-3.830 3.840~3.825 97.54~97.16 2.411~2.401 61.24~60.99
N3-3.032 3.037~3.027 77.14~76.89 1.780~1.770 45.21~44.96 HQ3-3.895 3.897~3.882 98.98~98.60 2.411~2.401 61.24~60.99
NMLC 2.970~2.960 75.44~75.19 2.052~2.042 52.12~51.87 HMLC 3.897~3.882 98.98~98.60 2.505~2.495 63.63~63.38
NWG / NX 2.970~2.960 75.44~75.19 2.160~2.150 54.86~54.61 HWF-long 3.912~3.897 99.36~98.98 3.005~2.995 76.33~76.08
NWM 2.970~2.960 75.44~75.19 2.160~2.150 54.86~54.61 HWF-short 3.897~3.882 98.98~98.60 3.005~2.995 76.33~76.08
NWT 2.970~2.960 75.44~75.19 2.318~2.308 58.87~58.62 HWG / HX 3.897~3.882 98.98~98.60 3.005~2.995 76.33~76.08
TNW 2.970~2.960 75.44~75.19 2.394~2.384 60.80~60.55 HWT 3.897~3.882 98.98~98.60 3.192~3.182 81.08~80.82
P gauge core bits S gauge core bits
SIZE Outside diameter Inside diameter SIZE Outside diameter Inside diameter
inch mm inch mm inch mm inch mm
PQ 4.815~4.795 122.30~121.8 3.350~3.340 85.09~84.84 SWF-long 5.755~5.740 146.18~145.8 4.447~4.432 112.95~112.5
PQ3 4.815~4.795 122.30~121.8 3.275~3.265 83.18~82.93 SWF-short 5.735~5.715 145.67~145.1 4.447~4.432 112.95~112.5
PWF-long 4.755~4.740 120.78~120.4 3.635~3.620 92.33~91.95          
PWF-short 4.735~4.715 120.27~119.7 3.635~3.620 92.33~91.95          
U gauge core bits Z gauge core bits
SIZE Outside diameter Inside diameter SIZE Outside diameter Inside diameter
inch mm inch mm inch mm inch mm
UWF-long 6.880~6.860 174.75~174.2 5.515~5.495 140.08~139.5 ZWF-long 7.880~7.860 200.15~199.6 6.515~6.495 165.48~164.9
UWF-short 6.855~6.825 174.12~173.3 5.515~5.495 140.08~139.5 ZWF-short 7.855~7.825 199.52~198.7 6.515~6.495 165.48~164.9
T,TT,T2,TB series metric core bits B series metric core bits (ISO3552-1)
SIZE Outside diameter Inside diameter SIZE Outside diameter Inside diameter
inch mm inch mm inch mm inch mm
T36 1.422~1.412 36.12~35.87 0.859~0.849 21.82~21.57 B36 1.422~1.412 36.12~35.87 0.859~0.849 21.82~21.57
TT46 1.818~1.808 46.18~45.92 1.394~1.384 35.40~35.15 B46 1.818~1.808 46.18~45.92 1.253~1.243 31.82~31.57
T2-46 1.818~1.808 46.18~45.92 1.253~1.243 31.82~31.57 B56 2.210~2.200 56.13~55.88 1.647~1.637 41.83~41.58
TB56 2.220 56.3 1.64 41.7 B66 2.603~2.593 66.12~65.87 2.040~2.030 51.81~51.56
TT56 2.210~2.200 56.13~55.88 1.788~1.778 45.41~45.16 B76 2.997~2.987 76.12~75.87 2.434~2.424 61.82~61.57
T2-56 2.210~2.200 56.13~55.88 1.647~1.637 41.83~41.58 B86 3.391~3.381 86.13~85.88 2.828~2.818 71.83~71.58
T2-66 2.603~2.593 66.12~65.87 2.040~2.030 51.81~51.56 B101 3.981~3.971 101.12~100.87 3.418~3.408 86.62~86.57
T2-76 2.997~2.987 76.12~75.87 2.434~2.424 61.82~61.57 B116 4.575~4.560 116.20~115.82 4.009~3.999 101.83~101.58
T2-76 coreline 2.997~2.987 76.12~75.87 2.288~2.278 58.12~57.87 B131 5.165~5.150 131.19~130.81 4.599~4.589 116.82~116.57
T2-86 3.391~3.381 86.13~85.88 2.828~2.818 71.83~71.58 B146 5.755~5.740 146.18~145.80 5.190~5.180 131.82~131.57
T2-86 coreline 3.391~3.381 86.13~85.88 2.682~2.672 68.13~67.88          
T2-101 3.981~3.971 101.12~100.8 3.300~3.290 83.82~83.57          
T2-101 coreline 3.981~3.971 101.12~100.8 3.155~3.145 80.13~79.88          
T6 series metric core bits T6S series metric core bits
SIZE Outside diameter Inside diameter SIZE Outside diameter Inside diameter
inch mm inch mm inch mm inch mm
T6-76 2.997~2.987 76.12~75.87 2.249~2.239 57.12~56.87 T6S-76 3.009~2.999 76.43~76.18 1.883~1.873 47.83~47.58
T6-86 3.391~3.381 86.13~85.88 2.643~2.633 67.13~66.88 T6S-86 3.403~3.393 86.43~86.18 2.277~2.267 57.83~57.58
T6-101 3.981~3.971 101.12~100.8 3.115~3.105 79.12~78.87 T6S-101 3.993~3.983 101.43~101.2 2.828~2.818 71.83~71.58
T6-116 4.575~4.560 116.20~115.8 3.667~3.657 93.14~92.89 T6S-116 4.586~4.571 116.48~116.1 3.379~3.369 85.83~85.58
T6-131 5.165~5.150 131.19~130.8 4.257~4.247 108.13~107 T6S-131 5.177~5.162 131.48~131.1 3.970~3.960 100.83~100
T6-146 5.755~5.740 146.18~145.8 4.847~4.837 123.11~122 T6S-146 5.767~5.752 146.48~146.1 4.560~4.550 115.83~115
Core bits Our diamond core drill bits include Impregnated diamond core bit ,Surface Set Diamond core bit,TC (Tungsten Carbide) core bit,PDC core bit,TSP diamond core bit and Electroplated diamond core bit types. Sizes available in A,A-RSG,AWG(AX),AWM,WAT,LTK48; B,B-RSG,B-2.400,B3,BWG(BX),BWM,BWT,LTK60,TBW; N,N-RSG,N-3.032,N2,N2-RSG,N3/NTT,N3-RSG,N3-3.032,NMLC,NWG(NX),NWM,NWT,TNW; H,H-RSG,H-3.830,H-3.895,H3/HQTT,H3-RSG,H3-3.830,H3-3.895,HMLC,HWF-Long,HWF-Short,HWG(HX),HWT; P,P3,PWF-Long,PWF-Short; SWF-long,SWF-short; UWF-long,UWF-short; ZWF-long, ZWF-short; T36,TT46,T2-46,TB-56,TT-56,T2-56,T2-66,T2-76,T2-76 Coreline,T2-86,T2-86 Coreline,T2-101,T2-101 core line; T6-76,T6-86,T6-101,T6-116,T6-131,T6-146; T6S-76,T6S-86,T6S-101,T6S-116,T6S-131,T6S-146; B36,B46,B56,B66,B76,B86,B101,B116,B131,B146
   
We manufacture core barrels,drill rigs,overshots,impregnated diamond core drill bits,reaming shells,diamond casing shoe bits,PDC core bits,tunsten carbide core bits,electroplated core bits. With special high-frequency welding tenhniques,PDC of high wear resistant is welded to the body as cutting edges.PDC bit is mainly used for geological prospecting,coal ecploration,water conservancy and power engineering,etc

(1) Impregnated diamond core drill bit,surface set diamond core drill bit,PDC core bit,tungsten carbide core bit,geocube core bit,electroplated core bit
(2) Surface set diamond reaming shell,PCD reaming shell,tungsten carbide reaming shell,electroplated reaming shell
(3) Impregnated diamond casing shoe bit and casing bit,surface set diamond casing shoe bits,tungsten carbide casing shoe bit
(4) core barrels of patterns A,B,N,H,Q,HWF,PWF,SWF,UWF,412F,T2-56,T2-66,T2-86,T2-101,T6-131. And single tube core barrel,double tube core barrel,wireline core barrel,Jet-type reverse circulation core barrel
(5) N overshot,H overshot,wireline overshots

 
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