6.0-7.9mm HRC60 Internal Coolant Holes 5D
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BEYOND HRC60 Internal Coolant Holes 5D Carbide Drills (6.0-7.9mm) - Heavy-Duty Performance with Advanced Cooling
Experience industrial-grade drilling performance with the BEYOND Internal Coolant Holes 5D series in the 6.0-7.9mm range. Featuring precision internal coolant holes technology and 140° point angle, these HRC60 carbide drills deliver exceptional efficiency in demanding deep hole drilling applications. The optimized coolant holes system ensures maximum cooling efficiency and chip evacuation in continuous production environments.
Key Features & Benefits:
- High-Flow Internal Coolant Holes: Optimized coolant channel design with increased flow capacity ensures efficient cooling even in the most demanding drilling applications, reducing heat buildup by up to 65%.
- Enhanced 140° Point Angle: Wide point geometry reduces thrust force by 60-70%, ensures perfect centering accuracy, and eliminates drill walking in heavy-duty applications.
- Extended 5xD Flute Length: Superior 5:1 depth-to-diameter ratio enables drilling deep holes up to 39.5mm, ideal for complex industrial components and deep cavity applications.
- HRC60 Ultra-Hard Tungsten Carbide: Maximum wear resistance and thermal stability maintain cutting performance through extended production runs in abrasive and hard materials.
- Reinforced Core Structure: Enhanced web thickness and specialized flute design provide maximum torsional strength while maintaining efficient coolant flow throughout deep drilling operations.
- Optimized Chip Evacuation: Combined effect of internal coolant holes and precision flute geometry ensures efficient chip removal, preventing chip packing in deep holes.
Product Specifications:
| Brand | BEYOND |
| Material | Micro-Grain Tungsten Carbide (HRC60 Hardness) |
| Point Angle | 140° (Optimized for Heavy-Duty Applications) |
| Flute Length | 5 x Diameter (5xD) |
| Coolant System | Internal Coolant Holes (High-Flow Through-Tool) |
| Shank Type | Straight Shank (Coolant Through Holes) |
| Diameter Range | 6.0mm, 6.1mm, 6.2mm, 6.3mm, 6.4mm, 6.5mm, 6.6mm, 6.7mm, 6.8mm, 6.9mm, 7.0mm, 7.1mm, 7.2mm, 7.3mm, 7.4mm, 7.5mm, 7.6mm, 7.7mm, 7.8mm, 7.9mm |
| Recommended Coolant Pressure | 20-35 bar (Minimum 15 bar required) |
| Max Drilling Depth | 30-39.5mm (Depending on diameter) |
Technical Cutting Parameters:
Optimized for heavy-duty internal coolant holes applications
| Material Type | Cutting Speed (RPM) | Feed Rate (mm/rev) | Coolant Pressure |
|---|---|---|---|
| Stainless Steel | 2,500 - 4,500 | 0.08 - 0.18 | 25-35 bar |
| Alloy Steel | 2,800 - 5,000 | 0.10 - 0.22 | 20-30 bar |
| Titanium Alloys | 1,800 - 3,500 | 0.06 - 0.14 | 28-35 bar |
| Tool Steels | 2,200 - 4,200 | 0.07 - 0.16 | 25-32 bar |
Heavy-Duty Application Tips: Use high-pressure coolant systems with minimum 15 bar pressure. Implement peck drilling cycles for depths exceeding 3xD. Ensure rigid tool holding with precision hydraulic chucks. Monitor coolant temperature and maintain proper concentration. Regularly inspect coolant holes for blockage and tool wear patterns.
Performance Advantages:
Maximum Tool Life
Internal coolant holes significantly reduce cutting temperature, extending tool life by 3-4x in continuous heavy-duty operations compared to conventional drills.
Enhanced Productivity
Superior chip evacuation allows for higher feed rates and reduced cycle times, increasing overall production efficiency.
Exceptional Hole Quality
Continuous high-pressure coolant flow ensures excellent surface finish and dimensional accuracy in deep hole applications.
Reduced Machine Downtime
Longer tool life and reliable performance minimize tool changes and maintenance requirements in production environments.
Industrial Applications:
- Heavy Equipment Manufacturing: Construction machinery components, agricultural equipment parts, and mining machinery components
- Automotive Industry: Engine blocks, transmission cases, axle components, and heavy-duty brake systems
- Energy Sector: Turbine components, generator parts, valve bodies, and power transmission equipment
- Aerospace Manufacturing: Landing gear components, structural frames, engine mounts, and hydraulic system parts
- Mold & Die Industry: Large mold bases, die casting molds, and injection molding tools with deep cooling channels
- General Heavy Engineering: Hydraulic cylinders, press frames, machine tool components, and industrial machinery
Optimized Material Compatibility:
- Stainless Steels: 304, 316, 316L, 17-4PH, 15-5PH, 420, 430, 440C
- Alloy Steels: 4140, 4340, 4130, 4140H, 4340M, 300M
- Tool Steels: P20, H13, D2, A2, S7, O1 (up to 48 HRC)
- Titanium Alloys: Grade 2, Grade 5 (6AL-4V), Grade 9, Grade 23
- High-Temp Alloys: Inconel 718, 625; Hastelloy C276; Waspaloy
- Cast Materials: Ductile iron, gray iron, and steel castings
Recommended Setup Requirements:
- Heavy-Duty CNC Machining Centers with Through-Spindle Coolant
- High-Pressure Coolant Systems (20-35 bar capability)
- Precision Hydraulic or Shrink-Fit Tool Holders
- Coolant Filtration System (25 micron or better)
- Rigid Machine Construction with High Torque Spindle
- Proper Workholding with Maximum Clamping Force
Why BEYOND 6-7.9mm Internal Coolant Holes Drills Excel in Heavy Applications:
The BEYOND 6.0-7.9mm Internal Coolant Holes 5D series represents the pinnacle of heavy-duty drilling technology. Our advanced manufacturing process ensures perfect coolant holes geometry with optimized flow characteristics for maximum cooling efficiency. The combination of HRC60 substrate, 140° point angle, and precision internal coolant holes delivers unmatched performance in the most demanding materials and applications. Each drill undergoes rigorous testing for coolant flow, straightness, and cutting performance, ensuring reliable operation in your most critical heavy-duty production applications.
BEYOND Tools – Heavy-Duty Performance with Advanced Cooling Technology.
| SIZE |
6.0*44*D6*82, 6.1*53*D8*91, 6.2*53*D8*91, 6.3*53*D8*91, 6.4*53*D8*91, 6.5*53*D8*91, 6.6*53*D8*91, 6.7*53*D8*91, 6.8*53*D8*91, 6.9*53*D8*91, 7.0*53*D8*91, 7.1*53*D8*91, 7.2*53*D8*91, 7.3*53*D8*91, 7.4*53*D8*91, 7.5*53*D8*91, 7.6*53*D8*91, 7.7*53*D8*91, 7.8*53*D8*91, 7.9*53*D8*91 |
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