123hotchef
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It's not really tappered well maybe slightly I'll get the calipers on itNo idea, ca you measure minor and major diameters of the taper?
https://en.wikipedia.org/wiki/Machine_taper
J60.625 in (15.875 mm) 0.677 in (17.196 mm) 1.055 in (26.797 mm)
Jt 2 1/2 ?
Or jt6
https://www.arceurotrade.co.uk/projects/Info/Drill-Chuck-Taper-Dimensions.html
Check length