Our **Diamond Bit (PDC / Impregnated)** are premium drilling consumables for mineral exploration, geotechnical investigation and mining borehole projects. We supply two mainstream types: PDC drill bits and impregnated diamond core bits, for soft to ultra-hard rock formations. These bits are widely used in multi-metal ore exploration including gold, copper, nickel, lead-zinc and manganese deposits.
Diamond Bit (PDC / Impregnated)
Our Diamond Bit (PDC / Impregnated) are premium drilling consumables for mineral exploration, geotechnical investigation and mining borehole projects. We supply two mainstream types: PDC drill bits and impregnated diamond core bits, for soft to ultra-hard rock formations. These bits are widely used in multi-metal ore exploration including gold, copper, nickel, lead-zinc and manganese deposits.
Our drill bits follow industry drilling standards published by ISO.
Product Types & Core Specifications
1. PDC Diamond Bit (Polycrystalline Diamond Compact Bit)
Best for medium-hard, non-abrasive rock.
| Item | Parameter |
|---|---|
| Bit size | NQ, HQ, PQ, BQ, AQ, also customized API / mining open hole sizes |
| Cutter material | Polycrystalline diamond compact, tungsten carbide substrate |
| Structure | Matrix body / steel body options |
| Drilling formation | Soft ~ medium hard rock, fractured rock, clay, sandstone, limestone, weathered ore |
| Advantage | High ROP (rate of penetration), low cost per meter, easy maintenance |
2. Impregnated Diamond Core Bit
For hard, highly abrasive rock, core sampling.
| Item | Parameter |
|---|---|
| Bit size | NQ, HQ, PQ, BQ, AQ standard core sizes |
| Diamond grade | Synthetic diamond, different concentration options: 20, 25, 30, 35, 40 |
| Matrix material | Tungsten carbide matrix |
| Drilling formation | Hard granite, basalt, quartzite, hard multi-metal ore, dense abrasive rock |
| Advantage | Long service life, stable core recovery for exploration coring |
Application Scenarios
- Mineral exploration core drilling: gold, copper, nickel, lead-zinc, tin, manganese polymetallic ore
- Open pit & underground mining boreholes, blast hole pilot drilling
- Geotechnical investigation, geological survey, water well drilling
- Resource evaluation projects for remote mine sites
Stocking Recommendation (How many bits to prepare / keep in stock)
Small exploration team (1 drill rig, 1 shift per day)
PDC bits: 3–5 pcs in stock
Impregnated diamond bits: 2–3 pcs in stock
Purpose: Replace worn bits without stopping drilling; spare for unexpected hard formation change.
Medium project (2–3 rigs, 2-shift continuous drilling)
PDC bits: 8–12 pcs
Impregnated diamond bits: 5–8 pcs
Large mining exploration camp (4+ rigs, 24h operation)
PDC bits: 15–25 pcs
Impregnated diamond bits: 10–15 pcs
Important stocking note:
- Prepare extra impregnated bits if your project area contains hard quartz or granite rock.
- Store bits in dry warehouse, protect diamond cutters from impact and corrosion.
- We support bulk order and urgent express shipment for emergency site replacement.
FAQ
What is the difference between PDC bit and impregnated diamond bit?
PDC bits use large fixed diamond cutters for fast drilling in soft-medium rock. Impregnated bits have tiny diamonds embedded inside matrix, designed for slow, stable coring in very hard abrasive rock for core sample collection.
Can these diamond bits work for multi-metal gold/copper exploration drilling?
Yes. PDC bits are for faster borehole advance. Impregnated diamond core bits deliver high-quality rock core for mineral grade testing in polymetallic deposits.
What factors affect bit service life?
Rock hardness, abrasiveness, drilling RPM, water flow, feed pressure. Too heavy feed pressure will damage diamond cutters and shorten bit lifespan.
Do you support custom sizes for special drill rigs?
Yes. We can customize bit diameter, thread type and matrix formula according to your drill rig and formation conditions.
What is your delivery lead time for bulk diamond bit orders?
Standard sizes in stock: 7–10 days. Custom non-standard diamond bits: 25–40 days.
Conclusion
Select the correct Diamond Bit (PDC / Impregnated) based on your rock hardness and coring requirement. PDC for fast advance; impregnated diamond core bit for hard rock core sampling. Proper spare stock avoids costly rig downtime on remote mining exploration sites.
If you need technical recommendation or bulk pricing for diamond drill bits, Get a Quote. Our drilling consumable team will match bits for your formation.
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Have a project in mind ? Send us your ore assay report, mine location and target capacity. Our mining engineers will prepare a customized process design, equipment list and quotation within 48 hours.