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> Cat 40 ER20 4" balanced G2.5 20,000RPM mini nut collet
Cat 40 ER20 4" balanced G2.5 20,000RPM mini nut collet
HIGH QUALITY CAT 40 ER20 4" Balanced G2.5 20,000RPM
* Draw Bar Thread: 5/8" -11
* Collet Series: ER-20
* Nut Diameter: 1.10"
* Balanced: G2.5 20000 RPM
Miniature nut enable collet chuck to get to hard to reach area.
* Made from alloy steel harden to 54-60 HRc
* Taper accuracy ground to AT3 standard
* All critical surface are precision ground
* Concentricity is less than 0.0002" from taper to collet face
* Coolant through capability
* Special Ni Coating
