SUPRA Type S Quick-action Drill Chucks. A self tightening flat jaw drill chuck suitable for stationary and hand-operated drills.
Technical Specification:
- Concentricity fluctuation: 0.25
- External diameter mm: 40.2
- Length closed mm: 83.6
- Length opened mm: 76.3
- Mount mm: 1/2 inch -20
- Size: 13
- Type: S