DIN B & Coolant-Thru (CoolFLEX). Balanced to 25,000 RPM at G2.5. 0.0001 or better from taper to collet pocket.
Each holder lab certified for accuracy and balance. CoolFLEX Tool Holders CoolFLEX holders are factory set for coolant-thru spindle. Simply remove stop screws (2) for DIN B coolant. Holder includes our Power Coat nut that holds 75% tighter than standard ER nuts, to provide better T.And extended cutting tool life. NOTE: ER 16 and 20 tool holders come with hex nut as standard. For slotted nuts simply add SLOTNUT to the end of the part number. For holders with coolant nut included, add -C to the part number. CAT40 x ER20 - 4.00, hex nut. Other Available CAT 40 ER 20 Collet Chucks. Listings are described with detail information. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks\Collet Chucks".
The seller is "hpcecs-online" and is located in this country: US. This item can be shipped worldwide.