Roehm quick-action chuck Spiro 134, size 10/B12, 0 - 10

With inside taper as per DIN 228, self-retightening. Wearing parts are hardened and ground.

Usage: Keyless drill chucks for self-guided drilling machines and drill presses with tapered holder. The drill bit can be clamped by hand simply and quickly.

Concentricity precision: 0.05 mm.