- Material: Micrograin Carbide
- Drill Size - Decimal Inch: 0.2244in
- Drill Size - Metric: 5.7mm
- Number of Flutes: 2
- Flute Length: 57mm
- Overall Length: 95mm
- Flute Type: Spiral
- Shank Size: 6mm
- Shank Type: Straight
- Type: General Purpose Metric
- Surface Treatment: TiAlN Coated
- Through Coolant (Yes/No): Yes
- Applicable Materials: Carbon Steel, Alloy Steel and Pre-Hardened Steel
- Cutting Depth: 8XD
- Drill Point Length: 1.0372mm
- Hand Direction: Right Hand
- Included Angle: 140°
- Manufacturer Name: YG-1 Tool
- Point Type: Self-Centering
- Series: DH421
- Specifications Met: DIN 6537
- Item Features
- Self-centering and chip breaking by R-thinning
- Wave shape and negative land on the cutting edge for low thrust, stable torque and long tool life
- Optimized flute shape for strength of drilling and smooth chip evacuation