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The HSS precision drill bit Screw driver features M2-grade high-speed steel construction for superior cutting performance in metalworking, machining, and precision engineering applications. Engineered with 135° split-point geometry and nano-coating technology, it delivers exceptional hole accuracy, extended tool life, and reduced cutting forces. These bits' optimized flute design and thermal stability make them ideal for CNC machining, drone frame fabrication, and industrial manufacturing requiring high-precision drilling in hardened materials.
| Parameter | Specification |
| Material | M2 HSS (High-Speed Steel) |
| Diameter Options | 2.0mm, 2.5mm, 3.0mm ±0.01mm |
| Point Angle | 135° Split Point |
| Flute Length | 25mm (2.0mm), 28mm (2.5mm), 32mm (3.0mm) |
| Overall Length | 57mm (2.0mm), 60mm (2.5mm), 65mm (3.0mm) |
| Coating | TiAlN Nano-Composite (3μm) |
| Hardness | 64-66 HRC |
| Helix Angle | 30° Universal |
| Shank Type | 3.0mm Straight Shank |
| Tolerance | h6 ISO Standard |
| Runout | ≤0.02mm |
• Premium HSS Material: M2 steel with 8% cobalt for high red-hardness
• Split-Point Design: Self-centering geometry eliminates walking
• Nano-Coating: TiAlN coating reduces friction and increases wear resistance
• Optimized Flutes: Parabolic flute design for efficient chip evacuation
• Precision Ground: CNC-lapped cutting edges for ±0.01mm accuracy
• Universal Cutting: Suitable for steel, aluminum, composites, and plastics
• Thermal Stability: Maintains hardness up to 600°C
| Material | Cutting Speed (m/min) | Feed Rate (mm/rev) | Hole Tolerance | Tool Life (Holes) |
| Mild Steel | 25-30 | 0.02-0.05 | IT8-IT9 | 800-1200 |
| Aluminum | 80-100 | 0.05-0.12 | IT7-IT8 | 1500-2000 |
| Stainless | 15-20 | 0.015-0.03 | IT9 | 500-800 |
| Carbon Fiber | 40-60 | 0.03-0.08 | IT8 | 1000-1500 |
• Carbon fiber frame hole drilling
• Aluminum motor mount precision boring
• Flight controller mounting holes
• Arm-to-center plate fastener holes
• CNC milling machine micro-drilling
• Watchmaking and jewelry component holes
• PCB drill press operations
• Injection mold vent hole drilling
• Rivet hole preparation in aircraft skins
• Automotive brake line mounting holes
• Control panel punch guide drilling
• Hydraulic system port drilling
• Enclosure ventilation hole patterns
• Heat sink mounting hole preparation
• DIN rail mounting holes
• Sensor bracket fabrication
• RC car chassis hole drilling
• Scale model ship portholes
• Miniature engine cylinder holes
• Model railway track drilling
• Operating Temperature: Up to 600°C at cutting edge
• Coolant Compatibility: Works with oil-based and synthetic coolants
• Corrosion Resistance: Coating prevents oxidation during storage
• Vibration Tolerance: Stable in hand drills up to 3000 RPM
• Storage Conditions: 10-40°C, <70% RH in protective case
• Recyclability: 100% recyclable steel material