- ANSI Code: DIN50ADB-M20-185-K
- Country of Origin: FR
- Manufacturer Name: Seco Tools
- Overall Diameter: 37 mm, 37mm
- Overall Length: 286.8 mm, 286.8mm
- Series: MK K820/K821
- Shank Connection Size: M20
- Shank Type: Taper
- System Size Machine Side: DIN50 ADB
- Taper Size: DIN50