If it is desirable to sink the nail head below the surface, a nail punch, or set, is used. This is always necessary when the surface is to be planed after the nailing.
19. The Mallet. The mallet might be described as a hammer with a wooden head, and is used whenever we wish to deliver a blow which shall be less concentrated than that of the hammer. It is used in certain kinds of heavy chiseling, such as house framing, and gives a blow which does not shatter the tool handle as a hammer would.
Fig. 45. The Mallet
The use of the mallet is well illustrated by the making of a mortise-and-tenon joint, the chisel and mallet being used to cut the opening known as the mortise, as shown in [Fig. 46].
20. Screw-Driver. The screw-driver is perhaps the most common of household tools, and is probably abused more than any other. The handle is usually flattened so that the hand may grip it more tightly, but occasionally a round or fluted handle is seen.
Patent spiral screw-drivers have come into use in recent years, but where considerable force is required the brace and screw-driver bit are more effective.
Fig. 46. Cutting a Mortise