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Toolholder Nuts & Extensions

 

High Speed Coated Collet Nuts

For ER Series Toolholders

Coated nuts have a permanent coating that increases the clamping power by up to 75% compared to standard ER nuts. An increase of 20% in tool life can be seen by using these collet nuts.

 

          Spanner Max
Nut Part         Part Clamping
# Description Diameter I.D. Length # Torque
46111 ER11 HS Nut 19 14 x .75 11.8 04608 20 ft. lbs.
46116 ER16 HS Nut 32 22 x 1.5 18 04613 50 ft. lbs
46120 ER20 HS Nut 35 25 x 1.5 19.5 04614 75 ft. lbs
46125 ER25 HS Nut 42 32 x 1.5 20.5 04615 95 ft. lbs.
46132 ER32 HS Nut 50 40 x 1.5 23 04616 125 ft. lbs
46140 ER40 HS Nut 63 50 x 1.5 26 04617 140 ft. lbs.
All dimensions are in Millimeters (mm) unless otherwise specified.
 

Tool Extenders and Parts

For ER Series Toolholders

Used to extend the reach of the normal toolholder in deep routing applications.

Extension length should not exceed a 4:1 ratio of length to diameter. For example, a 1/2 shank should not exceed more than 2 in front of the holder. This is true only for applications where the extension is rotating.

 

Extender Shank     Collet Wrench Nut
Part # Diameter O.A.L. Diameter Type Part # Part #
04889 3/8 124 mm 12 mm ER8 04620 23108
04891 1/2 166.5 mm 16 mm ER11 04621 23111
04893 5/8 158.5 mm 16 mm ER11 04621 23111
04895 1/2 177 mm 22 mm ER16 04622 23116
04896 3/4 165 mm 22 mm ER16 04622 23116
04897 1 168 mm 28 mm ER20 04623 23120
04898 3/4 140 mm 35 mm ER25 04624 23125
 

 
 

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CNC Tooholder Nuts & Extensions