Ezdrill Aq/Nq/Bq/Hq/Pq/Hard Rock Mining Rock Coring Rig Diamond Impregnated Core Drill Bits

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Product Description

Basic Info & Specifications
Model NO.
AQ/BQ/NQ/HQ/PQ
Type
Core Drill Bit
Material
Diamond
Crown Height
15mm (Customization Supported)
Series
H3/H5/H7/H9/H11/H13
Usage
Core Drilling
Hardness (HRC)
-10° to 50°
Lead Time
1-10 days (1-10 Pcs)
Gross Weight
3.000kg
Packaging
Wooden Box/Paper Box
Product Description & Features
Diamond Core Drill Bits Overview
💎 Premium Matrix Selected premium synthetic diamond and metal powder. Using unique vacuum sintering technology, the sharpness and lifespan are significantly improved.
📏 15mm Crown Height 15mm standard crown height (vs. 10-12mm industry average). Reduces bit replacement frequency, labor, and time costs.
💧 Optimized Water Outlets Evenly spaced outlets and curved flow channels effectively flush cuttings and cool the matrix, reducing overheating risks.
Customizable Matrix
Crown Height Detail
Water Outlets Design
Available Sizes
Series Type Specific Sizes Available
Wireline Series AQ, BQ, NQ, NQ2, NQ3, HQ, HQ3, PQ, PQ3, SQ, WLA, WLB, WLN, WLH, WLP
T2 / T Series T2-46, T2-56, T2-66, T2-76, T2-86, T2-101, T-46, T-56, T-66, T-76, T-86
T6 / T6S Series T6-76, T6-86, T6-101, T6-116, T6-131, T6-146, T6S-76, T6S-101, T6S-146
Other Series B Series (B46-B146), MLC Series (NMLC, HMLC), LTK48, LTK60, WF Series, Chinese Standard

* Special sizes can also be manufactured upon request.

Matrix Selection Guide (H Series)
Matrix Series Mohs Hardness Rock Features Typical Rock Types
H3 (40-50°) 2.0-4.0 Soft Sandstone, Shale, Limestone, Dolomite
H5 (30-40°) 2.0-5.5 Soft to Medium Coarse Granite, Basalt, Pegmatite, Skarns
H7 (20-30°) 3.5-6.5 Medium to Hard Granite, Rhyolite, Jasperite, Glassy Quartz
H9 (10-20°) 4.5-8.0 Hard to Very Hard Quartz, Diorite, Gneiss, Diabase, Gabbro
H11 (0-10°) 6.5-9.0 Hard to Extremely Hard Felsic Volcanic Rock, Quartzite, Chert
H13 (-10-0°) 7.5-9.5 Hardest Calcite, Quartzite, Taconite
Drill Bit Matrix Selection
Core Rig Performance
Our Service & Advantages
  • Sample Testing: 1-3pcs bits available for testing with refund options on bulk orders.
  • Full Customization: Diameter, matrix, label, and logo customization supported.
  • High-Precision Tech: Manufactured with unique hot-pressing processes for enhanced life.
  • Cost Efficiency: 15mm matrix delivers 25-30% more footage than industry standards.
  • Fast Delivery: 3-7 working days for standard products; urgent orders prioritized.
Quality Control
Manufacturing Process
Finished Product
Technical Specs
Drilling Footages
Frequently Asked Questions (FAQ)
1. What is the standard crown height of your core drill bits? Our standard crown height is 15mm, which is significantly higher than the industry average of 10-12mm, providing longer service life and reduced replacement costs.
2. Which H-series matrix should I choose for granite? For standard granite, we recommend the H7 (Medium to Hard) or H9 (Hard to Very Hard) series depending on the specific mineral composition and hardness of the strata.
3. Can I get a custom logo or label on the drill bits? Yes, we offer customization for labels and logos. For orders exceeding 200 pieces, the customization fee is waived.
4. What are the typical lead times for an order? Standard products are usually shipped within 3-7 working days. Customized or large quantity orders typically take between 20-25 working days.
5. Do you provide samples for testing? Yes, we provide 1-3pcs of bits for sample testing. We offer a 100% refund of the sample fee on your subsequent order of 50pcs or more.
6. Are your bits compatible with Wireline drilling systems? Absolutely. We support a full range of Wireline series including AQ, BQ, NQ, HQ, PQ and their variations (NQ3, HQ3, etc.), as well as T2, T6, and other international standards.

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