The following collet chucks are designed to increase machining efficiency on Hardinge-type chuckers.
Available for both ER and DA collets
5/8" shank diameter for maximum efficiency on your Hardinge Chucker
Small diameter lock nut for machining hard-to-reach surfaces
Shorter shank length than Extensions, ideal for use on chuckers
Shorter length lock nut on "STUBBY" reduces machine set-up time
Available for both ER and Double Angle collets
All lock nuts (including ER) can be tightened with a standard open-end wrench (no special wrench needed)
5/8" SHANK "STUBBY" COLLET CHUCKS
DA300 - DA200 - ER11 - ER16 - ER20
All back up screws have 1/8" hex. socket.
*DO NOT OVER-TIGHTEN LOCK NUT, ALWAYS USE BACKUP SCREW