16-20mm 3xD Carbide Coolant Through Drills
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BEYOND 16-20mm 3xD Coolant Through Carbide Drill Bits
Extra Heavy-Duty 3xD Coolant Through Drills with D16/D18/D20 Shanks
BEYOND 16-20mm 3xD coolant through carbide drill bits represent the ultimate solution for large-diameter drilling in the most demanding industrial applications. Featuring robust D16, D18, and D20 shank configurations, these professional-grade tools deliver exceptional stability, precision, and longevity in materials up to HRC60 hardness.
The advanced internal coolant system, combined with precision-ground 140° point angles and progressive flute lengths, ensures optimal chip evacuation and heat dissipation. Manufactured from premium sub-micron grain carbide with advanced TiAlN coating, these drills offer unmatched performance in continuous heavy-duty production environments.
Key Features & Benefits
Extra Large Diameter Range
16.0mm to 20.0mm comprehensive size coverage with progressive shank diameters for optimal stability.
Multi-Shank System
D16, D18, and D20 shank diameters provide maximum rigidity and vibration damping for large diameters.
Progressive Flute Lengths
65mm to 79mm flute lengths optimized for each diameter range to ensure optimal chip evacuation.
HRC60+ Superior Performance
Advanced carbide grade maintains exceptional cutting efficiency in hardened steels and super alloys.
140° Precision Point Geometry
Optimized point angle reduces thrust force by 40% and ensures accurate hole positioning.
High-Pressure Coolant Optimized
Internal coolant channels engineered for 30-60 bar pressure systems for maximum efficiency.
Detailed Specifications
| Diameter (mm) | Flute Length (mm) | Shank Diameter (mm) | Overall Length (mm) | Point Angle |
|---|---|---|---|---|
| 16.0 | 65 | D16 | 115 | 140° |
| 16.5 | 73 | D18 | 123 | |
| 17.0 | 73 | D18 | 123 | |
| 17.5 | 73 | D18 | 123 | |
| 18.0 | 73 | D18 | 123 | |
| 18.5 | 79 | D20 | 131 | |
| 19.0 | 79 | D20 | 131 | |
| 19.5 | 79 | D20 | 131 | |
| 20.0 | 79 | D20 | 131 |
Technical Specifications
| Brand | BEYOND |
|---|---|
| Tool Type | Coolant Through Hole Twist Drill |
| Material | Sub-Micron Grain Carbide |
| Diameter Range | 16.0mm - 20.0mm |
| Drill Length | 3x Diameter (3xD) |
| Hardness Capability | Up to HRC60+ |
| Point Angle | 140° |
| Coolant System | High-Pressure Internal Coolant (30-60 bar) |
| Shank Type | Straight Shank (D16/D18/D20) |
| Coating | TiAlN (Titanium Aluminum Nitride) |
| Tolerance | h8 |
| Surface Finish | Ra 0.8 μm |
Product Series Configuration
16.0mm Series
• Diameter: 16.0mm
• Flute Length: 65mm
• Shank: D16
• Overall Length: 115mm
16.5-18.0mm Series
• Diameter: 16.5-18.0mm
• Flute Length: 73mm
• Shank: D18
• Overall Length: 123mm
18.5-20.0mm Series
• Diameter: 18.5-20.0mm
• Flute Length: 79mm
• Shank: D20
• Overall Length: 131mm
Industrial Applications
Heavy Machinery & Equipment
- Construction equipment structural frames
- Mining machinery heavy components
- Agricultural equipment main structures
- Industrial press and stamping equipment
Large Scale Mold Making
- Automotive body panel molds
- Large composite material molds
- Industrial fixture and jig plates
- Machine tool structural components
Energy & Infrastructure
- Wind turbine structural parts
- Power generation equipment
- Bridge and construction elements
- Marine and offshore structures
Recommended Operating Parameters
Coolant Pressure
30-60 bar for optimal chip evacuation in large diameters
Cutting Speed (Steel)
45-75 m/min (adjust based on material hardness and machine power)
Feed Rate
0.25-0.50 mm/rev for 16-20mm diameter range
Tool Holding
Hydraulic chucks or shrink fit holders recommended for D16/D18/D20 shanks
Machine Requirements
Heavy-duty CNC machining centers with high-pressure coolant systems (≥40 bar)
Power Requirements
Minimum 15kW spindle power recommended for 20mm drilling
Performance Advantages
| Feature | BEYOND Carbide Drill | Conventional HSS Drill |
|---|---|---|
| Cutting Speed in Steel | 3-4x faster | Base reference |
| Tool Life in HRC60 Material | 5-8x longer | Base reference |
| Hole Quality (16-20mm) | Superior surface finish | Standard finish |
| Coolant Efficiency | High-pressure optimized (60 bar) | Standard flow |
| SIZE |
16.0*65*D16*115, 16.5*73*D18*123, 17.0*73*D18*123, 17.5*73*D18*123, 18.0*73*D18*123, 18.5*79*D20*131, 19.0*79*D20*131, 19.5*79*D20*131, 20.0*79*D20*131 |
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