ER collet chucks handle a wide range of machining jobs without having to buy new tool holders. Simply choose the right size collet for the job, tighten the collet nut and pull stud  in a tightening fixure.

Voted Best Collet Chuck on the Market!

• Balanced to 25,000 RPM at G2.5

• 0.0001" runout from taper to pocket

• Taper ground to AT3 standard

• Individual lab certification included

Techniks tool holders are manufactured to the highest possible standards to extend perishable cutting tool life and improve CNC machine performance.

Collets are available for: drilling, milling, coolant thru, and high-speed applications.

Use "Power Coat" nuts to increase the holding power and safety of your tool holders. High holding power extends cutting tool life and improves surface finish.

Refer to the chart below to order CAT 40 ER collet chuck tool holders.

CAT 40 ER Collet Chuck Tool Holders

Note: ER 16 and ER 20 tool holders come with hex nut standard. For slotted nuts simply ad SLOTNUT to the end of the part number.