Collet Chuck, ER-40, R8, Professional Grade
- R8 to ER-40 collet chuck
- Made of 20CrMnTi alloy steel
- Electrolysis nickel coating
- Drawbar thread: R8 - 7/16"-20
- Max. RPM: 8,000, runout is 0 .0002"
The maximum RPM is 8,000 and the maximum runout is 0.0002" (0.0051 mm). The R8 drawbar thread is 7/16"-20.
ER-40 collets have a range of 1/8" to 1" (3.0 mm to 26.0 mm).
Spanner wrench is not included. See related products if you need a wrench to fit this collet chuck.
*Collet must be assembled into a collet chuck nut before inserting into the collet chuck.