ER Collet Sleeves & Drill Chucks for Swiss-Type CNC Machines

Cost Effective Tool Holder Sleeves for use with "ER" Collet Systems.
These collet sleeves are cost effective solutions to tool holding and are available in a variety of both Inch and Metric sized shank diameters. Also featuring a solid shank for rigidity and a side coolant port for connection to a high-pressure coolant delivery system. Every unit has a notched collet taper for easy tool orientation when combined with Quick-Change boring bar adaptors.
These Holders work with our Quick Change boring adaptors/collets to enable easy setup of boring bars and other tooling.
Single Ended Collet Sleeves
Single Ended Collet Sleeves (Inch)
Part No. | Collet | D1 | L1 | OAL | With Nut (Part No.) |
---|---|---|---|---|---|
CQS-SS-160500 | ER16 | .500" | 1.1" | 4.5" | CQS-S16-0500-CSE |
CQS-SS-160625 | ER16 | .625" | 1.1" | 4.5" | CQS-S16-0625-CSE |
CQS-SS-160750 | ER16 | .750" | 1.1" | 4.5" | CQS-S16-0750-CSE |
CQS-SS-161000 | ER16 | 1.00" | 1.1" | 4.5" | CQS-S16-1000-CSE |
CQS-SS-200750 | ER20 | .750" | 1.2" | 4.5" | CQS-S20-0750-CSE |
CQS-SS-201000 | ER20 | 1.00" | 1.2" | 4.5" | CQS-S20-1000-CSE |
CQS-SS-201250 | ER20 | 1.25" | 1.2" | 4.5" | CQS-S20-1250-CSE |
Single Ended Collet Sleeves (Metric)
Part No. | Collet | D1 | L1 | OAL | With Nut (Part No.) |
---|---|---|---|---|---|
CQS-SS-160787 | ER16 | 20mm | 28mm | 114mm | CQS-S16-0787-CSE |
CQS-SS-160866 | ER16 | 22mm | 28mm | 118mm | CQS-S16-0866-CSE |
CQS-SS-160984 | ER16 | 25mm | 28mm | 95mm | CQS-S16-0984-CSE |
CQS-SS-200866 | ER20 | 22mm | 30mm | 114mm | CQS-S20-0866-CSE |
CQS-SS-201260 | ER20 | 32mm | 30mm | 118mm | CQS-S20-1260-CSE |
Double Ended Collet Sleeves
Double Ended Collet Sleeves (Inch)
Part No. | Collet | D1 | OAL |
---|---|---|---|
CQS-S16-0750-CDE | ER16 | .750" | 4.5" |
CQS-S16-1000-CDE | ER16 | 1.00" | 4.5" |
CQS-S20-1000-CDE | ER20 | 1.00" | 4.5" |
NOTE: Each double ended shank is sold with two nuts
Double Ended Collet Sleeves (Metric)
Part No. | Collet | D1 | OAL |
---|---|---|---|
CQS-S16-0866-CDE | ER16 | 22mm | 114mm |
CQS-S16-0984-CDE | ER16 | 25mm | 95mm |
CQS-S20-1260-CDE | ER20 | 32mm | 118mm |
NOTE: Each double ended shank is sold with two nuts
STAR Backtools

Part No. | Collet or Tool Size: | Coolant Port: | Centering Notches: |
---|---|---|---|
CQS-STBW0500 | 1/2" ID | Side Port | No |

Part No. | Collet or Tool Size: | Coolant Port: | Centering Notches: |
---|---|---|---|
CQS-STBW1600 | ER16 | Side Port | Yes |

Part No. | Collet or Tool Size: | Coolant Port: | Centering Notches: |
---|---|---|---|
CQS-STBW1605 | ER16 | Side Port | Yes |

Part No. | Collet or Tool Size: | Coolant Port: | Centering Notches: |
---|---|---|---|
CQS-STBW1609 | ER16 | Yes |

Part No. | Collet or Tool Size: | Coolant Port: | Centering Notches: |
---|---|---|---|
CQS-STBW2000 | ER20 | Side Port | Yes |