Fang bolt | Article about fang bolt by The Free Dictionary
fang bolt[′faŋ ‚bōlt]
A bolt having a triangular nut with sharp projections at its corners; used to attach metal pieces to wood.
References in periodicals archive
30 Days Prior To Initial Date Of Tender Opening, Complete With All Parts As Listed In The Drawing Excluding Check Rails, Cut Rails, Standard Fish Plate, Fish Plate And Bolts, Fang Bolts
, Plate Screw, E.R.