Part Number: 5448
Weight: 1.04 lb
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- R8 to ER-20 collet chuck
- Made of 20CrMnTi alloy steel
- Electrolysis nickel coating
- Drawbar thread: R8 - 7/16"-20
- Max. RPM: 8,000, runout is 0 .0002"
R8 to ER-20 professional grade collet chuck. Premium 20CrMnTi alloy steel hardened and all ground body for extended tool life. Has a superior finish (electrolysis nickel coating).
The maximum RPM is 8,000 and the maximum runout is 0.0002" (0.0058 mm). The R8 drawbar thread is 7/16"-20.
ER-20 collets have a range of 1/16" to 1/2" (1.0 mm to 13.0 mm).
*Collet must be assembled into a collet chuck nut before inserting into the collet chuck.
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