
CAT 50 Micron Milling Chucks
Part # | Old Description | Description | Bore Size | B | C | L |
74305058 | CV50-HPC075-105A | CAT50 x MMC 3/4″ – 4.13″ | 3/4″ | 2.20″ | 4.13″ | 3.38″ |
74305059 | CV50-HOS075-135A | CAT50 x MMC 3/4″ – 5.31″ | 3/4″ | 2.20″ | 5.31″ | 4.56″ |
74305060 | CV50-HPC100-105A | CAT50 x MMC 1″ – 4.13″ | 1″ | 2.44″ | 4.13″ | 3.38″ |
74305061 | CV50-HPC100-135A | CAT50 x MMC 1″ – 5.31″ | 1″ | 2.44″ | 5.31″ | 4.56″ |
74305062 | CV50-HPC125-105A | CAT50 x MMC 1-1/4″ – 4.13″ | 1_1/4″ | 2.76″ | 4.13″ | 3.38″ |
74305063 | CV50-HPC125-135A | CAT50 x MMC 1-1/4″ – 5.31″ | 1_1/4″ | 2.76″ | 5.31″ | 4.56″ |
CAT50 Micron Milling Chucks with SIMULFIT®
Part # | Old Description | Description | Bore Size | B | C | L |
74305100 | BCV50-HPC075-105A | CAT50 x MMC 3/4″ – 4.13″ Simulfit | 3/4″ | 2.20″ | 4.13″ | 3.38″ |
74205007 | BCV50-HPC100-105A | CAT50 x MMC 1″ – 4.13″ Simulfit | 1″ | 2.44″ | 4.13″ | 3.38″ |
74305102 | BCV50-HPC125-105A | CAT50 x 1-1/4″ – 4.13″ Simulfit | 1_1/4″ | 2.76″ | 4.13″ | 3.38″ |
74205008 | BCV50-HPC125-135A | CAT50 x 1-1/4″ – 5.31″ Simulfit | 1_1/4″ | 2.76″ | 5.31″ | 4.56″ |

BT30 Micron Milling Chucks
Part # | Old Description | Description | Bore Size | B | C | L |
74203009 | BT30-HPC075-100A | BT30 x MMC 3/4″ – 3.94″ | 3/4″ | 2.20″ | 3.94″ | 3.15″ |
BT40 Micron Milling Chucks
Part # | Old Description | Description | Bore Size | B | C | L |
74204064 | BT40-HPC075-105A | BT40 x MMC 3/4″ – 4.13″ | 3/4″ | 2.20″ | 4.13″ | 3.35″ |
74204017 | BT40-HPC075-120A | BT40 x MMC 3/4″ – 4.72″ | 3/4″ | 2.20″ | 4.72″ | 3.74″ |
74204018 | BT40-HPC100-105A | BT40 x MMC 1″ – 4.13″ | 1″ | 2.44″ | 4.13″ | 3.35″ |
74204019 | BT40-HPC100-135A | BT40 x MMC 1″ – 5.31″ | 1″ | 2.44″ | 5.31″ | 4.33″ |
74204020 | BT40-HPC125-105A | BT40 x MMC 1-1/4″ – 4.13″ | 1_1/4″ | 2.76″ | 4.13″ | 3.35″ |
74204021 | BT40-HPC125-135A | BT40 x MMC 1-1/4″ – 5.13″ | 1_1/4″ | 2.76″ | 5.31″ | 4.33″ |
BT40 Micron Milling Chucks with SIMULFIT®
Part # | Old Description | Description | Bore Size | B | C | L |
74234103 | BBT40-HPC075-105A | BT40 x MMC 3/4″ – 4.13″ Simulfit | 3/4″ | 2.20″ | 4.13″ | 3.35″ |
74234001 | BBT40-HPC100-105A | BT40 x MMC 1″ – 4.13″ Simulfit | 1″ | 2.44″ | 4.13″ | 3.35″ |
74234105 | BBT40-HPC125-105A | BT40 x MMC 1-1/4″ – 4.13″ Simulfit | 1_1/4″ | 2.76″ | 4.13″ | 3.35″ |
BT50 Micron Milling Chucks with SIMULFIT®
Part # | Old Description | Description | Bore Size | B | C | L |
74235002 | BBT50-HPC100-135A | BT50 x MMC 1″ – 5.31″ Simulfit | 1″ | 2.44″ | 5.31″ | 3.94″ |
74235003 | BBT50-HPC125-105A | BT50 x MMC 1-1/4″ – 4.13″ Simulfit | 1_1/4″ | 2.76″ | 4.13″ | 2.56″ |

HSK63A Micron Milling Chucks
Part # | Old Description | Description | Bore Size | B | C | L |
74406049 | HSK63A-HPC075-110A | HSK63A x MMC 3/4″ – 4.33″ | 3/4″ | 2.20″ | 4.33″ | 3.31″ |
74406051 | HSK63-HPC100-115A | HSK63A x MMC 1″ – 4.52″ | 1″ | 2.44″ | 4.53″ | 3.50″ |
74406052 | HSK63A-HPC125-120A | HSK63A x MMC 1-1/4″ – 4.72″ | 1_1/4″ | 2.76″ | 4.72″ | 3.70″ |
HSK100A Micron Milling Chucks
Part # | Old Description | Description | Bore Size | B | C | L |
74401043 | HSK100A-HPC075-110A | HSK100A x MMC 3/4″ – 4.33″ | 3/4″ | 2.20″ | 4.33″ | 3.19″ |
74401044 | HSK100A-HPC100-115A | HSK100A x MMC 1″ – 4.52″ | 1″ | 2.44″ | 4.53″ | 3.39″ |
74401045 | HSK100A-HPC125-120A | HSK100A x MMC 1-1/4″ – 4.72″ | 1_1/4″ | 2.76″ | 4.72″ | 3.58″ |