Used Techniks/SYIC BT40 ER32 collet chuck for CNC milling, drilling, and tapping applications. Model 16179 provides a 100 mm projection and is rated G2.5 at 25,000 RPM.
The holder includes the ER32 nut, installed collet, cutting tool, and pull stud shown in the photos. The exact diameter and remaining service life of the included cutter have not been verified.
This holder exhibits heat discoloration, surface oxidation on the taper, scratches, and other cosmetic wear from normal industrial use. It has not been independently checked for runout.
PRE-OWNED IN EXCELLENT CONDITION
HOLDER STICK OUT LENGTH: 3.625"
Specifications
- Manufacturer: Techniks / SYIC
- Part number: 16179
- Additional marking: 02124B
- Machine taper: BT40
- Collet system: ER32
- Projection: 100 mm
- Overall length: Approximately 165.4 mm
- Collet capacity: 2–20 mm
- Maximum body diameter: Approximately 50 mm
- Nut diameter: Approximately 50 mm
- Balance rating: G2.5 at 25,000 RPM
- Manufacturer-rated TIR: 0.0001 inch maximum
- Coolant delivery: Through-spindle capable
- Included: Holder, ER32 nut, installed collet, cutter and pull stud
- Quantity: One assembly
Condition
Used industrial tooling with visible heat staining, oxidation, scratches and handling wear. The cutting tool is included as pictured but should be inspected or replaced before production use. Runout and dimensional accuracy have not been tested. Please review all photos and confirm spindle and pull-stud compatibility.





