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Collet Chuck, ER-20, R8, Professional Grade

          
Collet Chuck, ER-20, R8, Professional Grade
Part Number: 5448
Weight: 1.04 lb

Price: $127.95

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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"

Description

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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