8-9.9mm 3xD Carbide Coolant Through Drills
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BEYOND HRC60 3D Internal Coolant Solid Carbide Drill Bit 8–9.9mm – 140° Point Angle Extra Hard Twist Drill
Product Overview
The BEYOND HRC60 3D Internal Coolant Drill Bit is made from ultra-fine grain solid tungsten carbide and engineered for high-speed, high-precision drilling. Designed with 140° point angle for smooth centering and internal coolant holes for efficient chip evacuation and heat reduction.
Key Features
- 3×D flute length ratio for stability and precision in deep-hole drilling.
- 140° large point angle reduces thrust and enhances accuracy.
- Internal coolant design improves cooling, extends tool life, and prevents chip blockage.
- Optimized for CNC machining centers, drilling machines, and precision equipment.
- Manufactured from HRC60-grade solid carbide with advanced nano-coating for extended durability.
Application Materials
- Hardened Steel (≤HRC60)
- Alloy Steel
- Tool Steel
- Cast Iron / Ductile Iron
- Stainless Steel
Specifications (8–9.9mm)
| Diameter (mm) | Flute Length (L1) | Total Length (L) | Shank Diameter (D) | Point Angle | Cooling |
|---|---|---|---|---|---|
| 8.0 | 33 | 80 | 8 | 140° | Internal Coolant |
| 8.5 | 35 | 85 | 8 | 140° | Internal Coolant |
| 9.0 | 38 | 90 | 9 | 140° | Internal Coolant |
| 9.3 | 40 | 93 | 9 | 140° | Internal Coolant |
| 9.5 | 42 | 96 | 9 | 140° | Internal Coolant |
| 9.9 | 45 | 100 | 10 | 140° | Internal Coolant |
Recommended Cutting Parameters
| Material | Cutting Speed (m/min) | Feed Rate (mm/rev) | Coolant |
|---|---|---|---|
| Carbon Steel | 80–120 | 0.10–0.20 | Internal / External |
| Alloy Steel | 60–90 | 0.08–0.18 | Internal |
| Stainless Steel | 50–80 | 0.06–0.16 | Internal |
| Cast Iron | 70–100 | 0.08–0.20 | Optional |
Why Choose BEYOND
- Precision-ground solid carbide body for rigidity and accuracy.
- Internal coolant channels for efficient chip evacuation.
- High hardness and heat resistance suitable for continuous cutting.
- Trusted brand for professional CNC tool solutions.
Keywords
internal coolant carbide drill, 3D solid carbide twist drill, BEYOND carbide drill bit, HRC60 carbide drill, 140 degree point angle drill, 8mm carbide drill bit, 9mm CNC drill bit, coolant hole twist drill for alloy steel, high hardness carbide drill for stainless steel
| SIZE |
8.0*41*D8*79, 8.1*47*D10*89, 8.2*47*D10*89, 8.3*47*D10*89, 8.4*47*D10*89, 8.5*47*D10*89, 8.6*47*D10*89, 8.7*47*D10*89, 8.8*47*D10*89, 8.9*47*D10*89, 9.0*47*D10*89, 9.1*47*D10*89, 9.2*47*D10*89, 9.3*47*D10*89, 9.4*47*D10*89, 9.5*47*D10*89, 9.6*47*D10*89, 9.7*47*D10*89, 9.8*47*D10*89, 9.9*47*D10*89 |
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