Coolant through and Anti Rust design. See two videos below, indicator is the same 0.0001. Total run out of holder and good set of collets are in 0.0003, holder alone without collets are 0.0001.
Plus since it's balanced, so regardless of speed, holder and collets will running true. You'll need a good set of collets as well. Video will open in a new window.5PC CAT40 ER32 Collet Chuck. Gage or projection length o f ER32 chuck is 2.75. Fully ground flange and V-groove - easy on tool changers for less spindle and.
V-Flange CAT 40 is production balanced to 20K high speed spindle turning and meet standard industrial needs. Hardened and ground to ensure maximum accuracy. Through spindle coolant capability from pull stud to collets.Decent quality at reasonable price. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Other Toolholding". The seller is "tpactools2" and is located in this country: US.
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