Here are two used Lyndex Nikken Milling Chucks. They can hold a 3/4" diameter shank tool. With Nikken Collet series KM3/4 the clamping range is 3/4" to 1/8".
The Jacobs BT 40 tension/compression tap holder is used for no.1 tap collet system with the collet size range from M3 to M14 with 165-mm projection. It has been prebalanced to 6000 RPM at G 6.3-Inch. The Jacobs BT 40 tension/compression tap holder features a quick change style allowing taps to be changed quickly.
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