HRC65 8D Internal Coolant Solid Carbide Drill | 2.0–4.9mm
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BEYOND HRC65 8D Internal Coolant Solid Carbide Drill (2.0–4.9mm)
BEYOND HRC65 8D Solid Carbide Drills are designed for deep hole drilling up to 8×D with internal coolant holes to ensure excellent chip evacuation, reduced heat, and stable performance. Made of ultra-fine carbide substrate and advanced coating, they deliver outstanding wear resistance and long tool life — ideal for machining hardened steel, mold steel, alloy steel, and stainless steel.
Product Features
- Internal Coolant Design – improves chip evacuation and tool life during deep drilling.
- HRC65 coating – ensures superior hardness, heat resistance, and durability.
- 8D flute length – suitable for holes up to 8×D deep.
- High precision ground – excellent dimensional accuracy and surface finish.
- Straight shank design – easy to install on CNC machines and drilling centers.
Applications
Designed for high-precision drilling of materials such as:
- Hardened steel (up to HRC65)
- Alloy steel and tool steel
- Cast iron, stainless steel
- Titanium and nickel alloys
Available Sizes (2.0–4.9mm)
| Model | Flute Length (mm) | Total Length (mm) | Shank Diameter (mm) |
|---|---|---|---|
| D3.0 | 34 | 74 | 4 |
| D3.1 | 34 | 74 | 4 |
| D3.2 | 34 | 74 | 4 |
| D3.3 | 34 | 74 | 4 |
| D3.4 | 34 | 74 | 4 |
| D3.5 | 34 | 74 | 4 |
| D3.6 | 34 | 74 | 4 |
| D3.7 | 34 | 74 | 4 |
| D3.8 | 45 | 85 | 4 |
| D3.9 | 45 | 85 | 4 |
| D4.0 | 45 | 85 | 4 |
| D4.1 | 45 | 85 | 6 |
| D4.2 | 45 | 85 | 6 |
| D4.3 | 45 | 85 | 6 |
| D4.4 | 45 | 85 | 6 |
| D4.5 | 45 | 85 | 6 |
| D4.6 | 45 | 85 | 6 |
| D4.7 | 45 | 85 | 6 |
| D4.8 | 57 | 97 | 6 |
| D4.9 | 57 | 97 | 6 |
Advantages of BEYOND HRC65 8D Drills
- High-performance drilling with stable accuracy for deep holes.
- Excellent surface quality and hole straightness.
- Reduced cutting resistance for longer tool life.
- Consistent performance on automated CNC machining lines.
Why Choose BEYOND
BEYOND specializes in premium carbide cutting tools with precision engineering and strict quality control. Each HRC65 drill is produced to guarantee consistent performance and long-lasting reliability, helping you achieve high-efficiency deep hole machining.
Keywords: HRC65 8D carbide drill, internal coolant carbide drill 2.0–4.9mm, deep hole solid carbide drill, 8xd coolant-through carbide drill, CNC drill bit for hardened steel, BEYOND carbide drills
| SIZE |
D3*34*74*d4, D3.1*34*74*d4, D3.2*34*74*d4, D3.3*34*74*d4, D3.4*34*74*d4, D3.5*34*74*d4, D3.6*34*74*d4, D3.7*34*74*d4, D3.8*45*85*d4, D3.9*45*85*d4, D4*45*85*d4, D4.1*45*85*d6, D4.2*45*85*d6, D4.3*45*85*d6, D4.4*45*85*d6, D4.5*45*85*d6, D4.6*45*85*d6, D4.7*45*85*d6, 4.8*57*97*d6, 4.9*57*97*d6 |
|---|