- Material: Micrograin Carbide
- Drill Size - Decimal Inch: 0.397in
- Drill Size - Letter: X
- Number of Flutes: 2
- Flute Length: 2-1/2in
- Overall Length: 4-3/8in
- Flute Type: Spiral
- Shank Size: 1/2in
- Shank Type: Straight
- Surface Treatment: TiAlN Coated
- Through Coolant (Yes/No): No
- Applicable Materials: High Hardened Steel
- Cutting Depth: 5XD
- Hand Direction: Right Hand
- Included Angle: 140°
- Manufacturer Name: YG-1 Tool
- Point Type: Split
- Series: DH501
- System of Measurement: Imperial
- Item Features
- Drilling for high hardened steel, quenched steels, tempered steels (under HRC70)
- Special geometry design for hardened steels
- Minimum of cutting load through special thinning
- Performing good chip removal and powerful drilling