This type is mounted to spindle nose through and adapting flange.The chuck are supplied with reversible jaws as per(ISO3442)

3-Jaw Plain Back Self-Centering Chucks

This type is mounted to spindle nose through and adapting flange.The chuck are supplied with reversible jaws as per(ISO3442)and can perform eigher as internal or extemal jaws through adjustment.

Chuck Dia.	Thru Hole	Model No.
6"/160mm	1.575"/40mm	429-3050
8"/200mm	2.362"/60mm	429-3051
10"/250mm	3.15"/80mm	429-3052
12"/325mm	3.937"/100mm	429-3054
15"/380mm	5.118"/130mm	429-3055