| Image | Part Number | Description / PDF | Quantity | Rfq |
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SparkFun |
END MILL CARBIDE 0.031" 3PK |
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SparkFun |
END MILL HS STEEL 0.063" 2PK |
0 |
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SparkFun |
END MILL CARBIDE 0.125" DIA |
0 |
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SparkFun |
END MILL CARBIDE 2PACK |
0 |
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SparkFun |
END MILL CARBIDE 0.250" 2PK |
0 |
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SparkFun |
END MILL HS STEEL 0.250" 2PK |
0 |
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SparkFun |
END MILL CARBIDE 0.031" 3PK |
0 |
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SparkFun |
DRILL BIT CARBIDE ASSORTED 10PC |
0 |
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SparkFun |
DRILL BIT CARBIDE ASSORTED 10PC |
0 |
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SparkFun |
END MILL CARBIDE 0.063" DIA |
0 |
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SparkFun |
END MILL CARBIDE 0.500" 2PK |
0 |
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SparkFun |
END MILL CARBIDE 0.005" 2PK |
0 |
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SparkFun |
END MILL CARBIDE 0.125" DIA |
0 |
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SparkFun |
END MILL CARBIDE 0.063" DIA |
0 |
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SparkFun |
END MILL CARBIDE 0.250" 2PK |
0 |
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SparkFun |
END MILL CARBIDE 0.125" 2PK |
0 |
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SparkFun |
END MILL CARBIDE 0.250" 2PK |
0 |
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SparkFun |
END MILL CARBIDE 0.500" 2PK |
0 |
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Drill bits and end mills are cutting tools used in machining processes for material removal. Drill bits primarily create cylindrical holes, while end mills perform milling operations for complex shapes and surface finishing. These tools are critical in modern manufacturing, enabling precision engineering in industries ranging from aerospace to consumer electronics.
| Type | Functional Features | Application Examples |
|---|---|---|
| Twist Drill Bits | Helical flutes for chip evacuation, point angle geometry | Metal drilling in automotive components |
| Center Drills | Combination drill/countersink for precise hole centers | Aerospace turbine blade manufacturing |
| Flat End Mills | Flat cutting edges for slotting and contouring | Mold making for injection molding |
| Ball Nose End Mills | Spherical cutting tips for 3D profiling | Die sinking in hardened tool steel |
| Indexable Insert Drills | Replaceable carbide inserts for deep hole drilling | Oil and gas exploration equipment |
Typical drill bits feature: - Shank: Cylindrical gripping portion (straight or tapered) - Neck: Reduced diameter section for chip clearance - Flutes: Helical grooves for chip evacuation - Cutting Point: 118 -135 angle with primary/secondary cutting edges
End mills incorporate: - Helical Flutes: Variable pitch for vibration reduction - Cutting Edges: Carbide or HSS with PVD coatings - Center-cutting: Allows plunge cutting capabilities
Material compositions include High-Speed Steel (HSS), Solid Carbide, and Cemented Carbide with TiAlN/AlCrN coatings.
| Parameter | Significance | Typical Range |
|---|---|---|
| Diameter Tolerance | Ensures dimensional accuracy | h6 to h10 |
| Helix Angle | Impacts chip evacuation and cutting forces | 15 -45 |
| Hardness | Wear resistance specification | 60-80 HRC |
| Surface Roughness | Determines finish quality | 0.1-1.6 m Ra |
| Max RPM | Speed capability limitation | 500-20,000 |
Major industries include: - Aerospace (engine components, structural parts) - Automotive (engine blocks, transmission cases) - Die & Mold (complex cavity machining) - Electronics (PCB drilling) - Energy (oil drilling equipment)
Typical equipment: CNC machining centers, drill presses, turning centers, and multi-axis machines.
| Manufacturer | Product Series | Key Features |
|---|---|---|
| Sandvik Coromant | CoroDrill 860 | Adjustable margin drill for composites |
| Kennametal | KSEM End Mill | Shock-resistant geometry for titanium |
| Mitsubishi Materials | VP15TF Carbide | PVD coating for high-temp alloys |
| Guhring | 930 Straight Flute | Micron precision for medical devices |
| Iscar | CHUCKIN' Series | Modular drill/mill combination tools |
Key considerations:
1. Material compatibility (workpiece hardness/abrasiveness)
2. Machine tool specifications (speed/power constraints)
3. Cooling system requirements (through-tool vs external)
4. Tolerance requirements (dimensional vs form tolerances)
5. Cost-efficiency balance (tool life vs initial cost)
Example: When machining Inconel 718 aerospace components, select solid carbide end mills with AlCrN coating and 35 helix angle for optimal chip control.
Current developments include: - Nanocomposite coatings for extended tool life - Digital twins for predictive tool maintenance - Hybrid manufacturing integration (additive + subtractive) - Sustainable manufacturing focus (reduced cutting fluids) - AI-optimized toolpath generation for adaptive machining