cutout silhouette round button, nail or stub with straight slot icon. outline logo of plug, stopper. black simple .

background black bolt building bung button cap construction contour countersunk cutout design drawing fastener flat gag graphic head hobnail icon illustration isolated key knob logo nail outline pictogram pierce pin plug poke round screw silhouette slot snap spike spile stopgap stopper stopple straight stub stud tack tintack vector white