| Extension length should not exceed a 4:1 ratio of length to diameter.
For example, a 1/2" shank should not extend more than 2" in front of
the holder. This is true only for applications where the extension is
rotating. |
Part
Number |
Shank |
Overall Length |
Diameter |
Collet |
Wrench |
Nut |
| SE04889 |
3/8" |
124mm |
12mm |
ER8 |
04620 |
SE23108 |
| SE04891 |
1/2" |
166.5mm |
16mm |
ER11 |
04621 |
SE23111 |
| SE04893 |
5/8" |
158.5mm |
16mm |
ER11 |
04621 |
SE23111 |
| SE04895 |
1/2" |
177mm |
22mm |
ER16 |
04622 |
SE23116 |
| SE04896 |
3/4" |
165mm |
22mm |
ER16 |
04622 |
SE23116 |
| SE04897 |
1" |
168mm |
28mm |
ER20 |
04623 |
SE23120 |
| SE04898 |
3/4" |
140mm |
35mm |
ER25 |
04624 |
SE23125 |
Extenders have threaded thru holes for a backup screw. Includes nut.
Collet and wrench sold separately.
