taper pin
noun
a short round metal rod having a small amount of taper so that when driven into a hole it tightens on the taper so that it can act as a stop or wedge
Words nearby taper pin
tape-record,
tapeman,
tapenade,
taper,
taper off,
taper pin,
taper relief,
tapered roller bearing,
taperstick,
tapestried,
tapestry