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

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, set tool depth, and tighten the collet nut and pull stud to the proper torque using a torque wrench and tightening fixure.

Easily switch between DIN or Coolant Thru!

• Balanced to 25,000 RPM at G2.5

• 0.0001" runout from taper to pocket

• Individual lab certification included

• Mori-Seiki Compatible

CoolFLEX

No need to buy both DIN coolant and coolant-thru holders. CoolFLEX holders are factory set for coolant-thru spindle. Simply remove 2 screws for DIN coolant.

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

Refer to the chart below to order CoolFLEX tool holders.

CAT 50 DIN or Coolant Thru CoolFLEX 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.