By using round-head screws it was unnecessary to countersink the metal.
countersink this hole enough to allow the head to sink flush with the surface.
countersink for the heads on the back of the shield and so fasten the antlers in place.
countersink all holes, except the four holes which hold the supports for the cart handle.
The term is also applied to the tool with which the countersink is formed.
countersink the holes on the side from which the screws enter.
Bore all holes, where shown in the drawing, and countersink them.
Be sure to countersink the holes for the heads of the bolts.
The round-headed screws are best, unless you want to countersink them.
Bore and countersink four holes for 11⁄4-inch flat-head screws.