taper key

taper key

[′tā·pər ‚kē]
(design engineering)
A rectangular machine key that is slightly tapered along its length.
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References in periodicals archive ?
Tenders are invited for Plain Rectangular Taper Key 12X10x85 Mm To Rds0 S- Sk-77536,Item No-24,Alt No-6 Six Or Latest.