Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit
Core Drill Bit

Core Drill Bit

Diamond Core Drill Bit For Metal Drilling And Core drilling
Our company pays attention to product quality and abides to credit, and also do our best to provide the best products and excellent service to customer. To build good after-sale service system, we draw up the Quality Guarantee according to the standard of profession and combining field experience.
  • Core Drill Bit

 

Products Problems Settlement
Diamond core bit 1. Size, and/ or technical parameters (matrix etc.) are different Replace from the requirements of client’s purchase order. Replace
2. Thread can not fit clients barrel. Repair or replace
3. Break down a piece from matrix, and the volume of the piece exceed 2mm x 2mm x2mm, and such break is not Replace caused by drilling. Replace
4. Matrix falling not caused by drilling. Replace or return
5. Groove on matrix caused by manufacturer. Replace or return
6. Drilling speed is obvious slower than congener products caused by manufacturer. Replace, and each item quantity
does not exceed 3 pieces.
7. Bit life is obvious short caused by manufacturer.
8. Breaking down of matrix, falling matrix, groove and short bit life caused by operating reasons- drill rod sticking, premature failure of the bit crown and hole bottom not to be cleaned. Be excluded from Quality Guarantee
9. Short bit life and abrasion caused by drilling machine, drilling techniques or parameters.
10. Properly worn and the matrix is finished.
11. Thread damaged and distortion made by operator.
12. Body crack in drill. Replace or return

 

Dimensions of core bits

A-Gauge Core Bits
Size Outside diameter Inside diameter Availability
inch mm inch mm IMP. S.S. P.C. PDC TSP E.P.
WLA 1.880/1.870 47.75/47.50 1.607/1.057 27.10/26.85 Yes Yes Yes Yes Yes Yes
WLA-RSG 1.895/1.885 48.13/47.88 1.067/1.057 27.10/26.85 Yes Yes Yes Yes Yes Yes
AWG, AX 1.880/1.870 47.75/47.50 1.190/1.180 30.23/29.97 Yes Yes Yes Yes Yes Yes
AWM 1.880/1.870 47.75/47.50 1.190/1.180 30.23/29.97 Yes Yes Yes Yes Yes Yes
AWT 1.880/1.870 47.75/47.50 1.286/1.276 32.66/32.41 Yes Yes Yes Yes Yes Yes
LTK48 1.880/1.870 47.75/47.50 1.394/1.384 35.40/35.15 Yes Yes Yes Yes Yes Yes

B-Gauge Core Bits

WLB 2.350/2.340 59.69/59.44 1.438/1.428 36.52/36.27 Yes Yes Yes Yes Yes Yes
WLB-RSG 2.365/2.355 60.07/59.82 1.438/1.428 36.52/36.27 Yes Yes Yes Yes Yes Yes
WLB-2.400 2.045/2.395 61.09/60.83 1.438/1.428 36.52/36.27 Yes Yes Yes Yes Yes Yes
WLB3 2.350/2.340 59.69/59.44 1.325/1.315 33.65/33.40 Yes Yes Yes Yes Yes Yes
BWG, BX 2.350/2.340 59.69/59.44 1.660/1.650 42.16/41.91 Yes Yes Yes Yes Yes Yes
BWM 2.350/2.340 59.69/59.44 1.660/1.650 42.16/41.91 Yes Yes Yes Yes Yes Yes
BWT 2.350/2.340 59.69/59.44 1.755/1.745 44.58/44.32 Yes Yes Yes Yes Yes Yes
LTK60 2.350/2.340 59.69/59.44 1.742/1.732 44.25/44.00 Yes Yes Yes Yes Yes Yes
TBW 2.350/2.340 59.69/59.44 1.785/1.775 45.34/45.09 Yes Yes Yes Yes Yes Yes
N-Gauge Core Bits
WLN 2.970/2.960 75.44/75.19 1.880/1.870 47.75/47.50 Yes Yes Yes Yes Yes Yes
WLN-RSG 2.985/2.975 75.82/75.57 1.880/1.870 47.75/47.50 Yes Yes Yes Yes Yes Yes
WLN-3.032 3.037/3.027 77.14/76.89 1.880/1.870 47.75/47.50 Yes Yes Yes Yes Yes Yes
WLN2 2.970/2.960 75.44/75.19 2.000/1.990 50.80/50.55 Yes Yes Yes Yes Yes Yes
WLN2-RSG 2.985/2.975 75.82/75.57 2.000/1.990 50.80/50.55 Yes Yes Yes Yes Yes Yes
WLN3, NWLTT 2.970/2.960 75.44/75.19 1.780/1.770 45.21/44.96 Yes Yes Yes Yes Yes Yes
WLN3-RSG 2.985/2.975 75.82/75.57 1.780/1.770 45.21/44.96 Yes Yes Yes Yes Yes Yes
WLN3-3.032 3.037/3.027 77.14/76.89 1.780/1.770 45.21/44.96 Yes Yes Yes Yes Yes Yes
NMLC 2.970/2.960 75.44/75.19 2.052/2.042 52.12/51.87 Yes Yes Yes Yes Yes Yes
NWG, NX 2.970/2.960 75.44/75.19 2.160/2.150 54.86/54.61 Yes Yes Yes Yes Yes Yes
NWM 2.970/2.960 75.44/75.19 2.160/2.150 54.86/54.61 Yes Yes Yes Yes Yes Yes
NWT 2.970/2.960 75.44/75.19 2.318/2.308 58.87/58.62 Yes Yes Yes Yes Yes Yes
TNW 2.970/2.960 75.44/75.19 2.394/2.384 60.80/60.55 Yes Yes Yes Yes Yes Yes

H-Gauge Core Bits

WLH 3.770/3.755 95.76/95.38 2.505/2.495 63.63/63.38 Yes Yes Yes Yes Yes Yes
WLH-RSG 3.790/3.755 96.27/95.89 2.505/2.495 63.63/63.38 Yes Yes Yes Yes Yes Yes
WLH-3.830 3.840/3.825 97.54/97.16 2.505/2.495 63.63/63.38 Yes Yes Yes Yes Yes Yes
WLH-3.895 3.897/3.882 98.98/98.60 2.505/2.495 63.63/63.38 Yes Yes Yes Yes Yes Yes
WLH3, WLHTT 3.770/3.755 95.76/95.38 2.411/2.401 61.24/60.99 Yes Yes Yes Yes Yes Yes
WLH3-RSG 3.790/3.755 96.27/95.89 2.411/2.401 61,24/60.99 Yes Yes Yes Yes Yes Yes
WLH3-3.830 3.840/3.825 97.54/97.16 2.411/2.401 61.24/60.99 Yes Yes Yes Yes Yes Yes
WLH3-3.895 3.897/3.882 98.98/98.60 2.411/2.401 61.24/60.99 Yes Yes Yes Yes Yes Yes
HMLC 3.897/3.882 98.98/98.60 2.505/2.495 63.63/63.38 Yes Yes Yes Yes Yes Yes
HWF-Long 3.912/3.897 99.36/98.98 3.005/2.995 76.33/76.08 Yes Yes Yes Yes Yes Yes
HWF-Short 3.897/3.882 98.98/98.60 3.005/2.995 76.33/76.08 Yes Yes Yes Yes Yes Yes
HWG, HX 3.897/3.882 98.98/98.60 3.005/2.995 76.33/76.08 Yes Yes Yes Yes Yes Yes
HWM 3.897/3.882 98.98/98.60 3.005/2.995 76.33/76.08 Yes Yes Yes Yes Yes Yes
HWT 3.897/3.882 98.98/98.60 3.192/3.182 81.08/80.82 Yes Yes Yes Yes Yes Yes

P-Gauge Core Bits

WLP 4.815/4.795 122.30/121.8 3.350/3.340 85.09/84.84 Yes Yes Yes Yes Yes Yes
WLP3 4.815/4.795 122.30/121.8 3.275/3.265 83.18/82.93 Yes Yes Yes Yes Yes Yes
PWF-Long 4.755/4.740 120.78/120.4 3.635/3.620 92.33/91.95 Yes Yes Yes Yes Yes Yes
PWF Short 4.735/4.715 120.27/119.7 3.635/3.620 92.33/91.95 Yes Yes Yes Yes Yes Yes

S-Gauge Core Bits

SWF-Long 5.755/5.740 146.18/145.8 4.447/4.432 112.95/112.5 Yes Yes Yes Yes Yes Yes
SWF-short 5.735/5.715 145.67/145.1 4.447/4.432 112.95/112.5 Yes Yes Yes Yes Yes Yes

U-Gauge Core Bits

UWF-Long 6.880/6.860 174.75/174.2 5.515/5.495 140.08/139.5 Yes Yes Yes Yes Yes Yes
UWF-Short 6.855/6.825 174.12/173.3 5.515/5.495 140.08/139.5 Yes Yes Yes Yes Yes Yes

Z-Gauge Core Bits

ZWF-Long 7.880/7 .860 200.15/199.6 6.515/6.495 165 48/164.9 Yes Yes Yes Yes Yes Yes
ZWF-Short 7.855/7.825 199.52/198.7 6.515/6.495 165.48/164.9 Yes Yes Yes Yes Yes Yes

 

Notes :

  1. – Impregnated Diamond Type
  2. S. – Surface Set Diamond Type
  3. T.C. – Tungsten Carbide Type
  4. PDC – Polycrystalline Diamond Compact Type
  5. TSP – Thermally Stable Diamond Polycrystalline
  6. E.P. – Electroplated Diamond Type

Any further information about the specification, after sale service, price, etc, please feel free to contact with us.

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We provide a comprehensive and responsive after-sales service to ensure your operations run smoothly. Our support team offers 12-hour online service to address your inquiries promptly, regardless of your location worldwide. Additionally, we have our own professional after-sales engineers who can be dispatched to your site as required. Our on-site services include installation, commissioning, operator training, and pile testing, all tailored to meet your specific needs and ensure optimal performance of your equipment.    
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Our pre-sales service is designed to optimize your procurement process from the very beginning. By integrating the expertise of our sales personnel with our technical engineering team, we provide professional consultation based on your specific project requirements. This collaborative approach significantly reduces your upfront selection costs and improves overall efficiency. We focus on delivering precise product recommendations, ensuring the proposed equipment is the most suitable and effective solution for your project needs, ultimately helping you make a well-informed and confident purchasing decision.      

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