Bosch 2609255701 chuck keyed 15 to 13mm 12in x 20 unf with key
Bosch chuck keyed 12in x 20 unf with key bosch 2609255701 these keyed chucks from bosch have a 12in x 20 unf thread fitting and are supplied with a key bosch 2609255701 chuck keyed 15 to 13mm 12in x 20 unf with key