Ezdrill Aq/Nq/Bq/Hq/Pq/Hard Rock Mining Rock Coring Rig Diamond Impregnated Core Drill Bits
1. 15mm Standard Matrix:More Durable & Cost-Saving With a DCDMA-standard 15mm matrix height , each bit delivers 25-30% more drilling footage. It reduces replacement frequency and offers superior durability.
2. Efficient Drilling in Hard Strata New technology matrix for hard strata like quartzite and siliceous rock (Mohs 8-9), increasing drilling footage efficiency by ≥20%.
3. Multi-Hardness Matrices: Full Strata Coverage 6 matrix series (H3/H5/H7/H9/H11/H13) to match different strata: soft rock (shale), medium-hard rock (sandstone), hard rock (granite), and ultra hard rock(quartzite). No need to switch bits for mixed strata.
4. Customizable Labels & Logos We offer custom product labels (e.g., batch number, specifications) and corporate logos to meet branding needs. Customization fee is waived for orders ≥200pcs.
5. Fast Delivery: Worry-Free for Urgent Orders 3-7 working days for standard products; 20-25 working days for customized products.
| H Sries | Mohs Hardness | Rock Features | Rock Type |
| H3 (40-50°) | 2.0-4.0 | Soft | Sandstone,Sandy Shale,Limestone,Sandy Limestone,Conglomerates,Peridotite,Serpentine,Weathered Granite,Dolomite |
| H5 (30-40°) | 2.0-5.5 | Soft to Medium Hard | Abrasive Coarse-Grained Granite, Basalt,Pegmatite,Skarns,Rhyolite |
| H7 (20-30°) | 3.5-6.5 | Medium to Hard | Granite,Pegmatite,Skarns,Rhyolite,Jasperite,Glassy Quartz,Basalt |
| H9 (10-20°) | 4.5-8.0 | Hard to Very Hard | Granite,Syenite,Quartz,Diorite,Gneiss,Silicified Volcanics,Diabase,Gabbro,Quartz,Chert,Basalt |
| H11 (0-10°) | 6.5-9.0 | Hard to Extremely Hard | Basalt, Felsic,Volcanic Rock,Diorite,Silicified Volcanics,Quartz,Quartz,Chert |
| H13 (-10-0°) | 7.5-9.5 | Hardest | Calcite,Quartzite,Taconite |
FAQs
Are you a manufacturer or a trader?
We are the manufacturer, and our R&D team has nearly 30 years of experience in diamond tool manufacturing.
Do your products support customization?
Yes, we support OEM & ODM, and products can be manufactured according to your usage requirements. However, customized products usually have a minimum order quantity.
What is your delivery cycle?
In-stock products will be available within 48 hours, while customized products typically take 15-20 days.
Do you provide samples?
Of course, but you'll need to pay for the samples and shipping.
If I'm a new customer, what's the safest and fastest way for me to make a payment?
We accept wire transfers, PayPal, and credit card payments.
How to select our drill bits?
Before placing order, please contact our customer service
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