Figure 3-12.--Lap joints.
The gain joint (fig. 3-15) is a special kind of
dado joint. You use it when appearance is a factor.
Rabbet joints are often used with dadoes. They
are cut across or with the grain (fig. 3-16). Cut
rabbets with the circular saw dado head or with the
jointer. They can be cut by hand using special
Cabinetmakers and other skilled woodworkers
often use the dovetail joint (fig. 3-17). It is used
most often in joining the corners of furniture
drawers and chests because of its locking features.
Figure 3-11.--Tongue and spline joints.
Such joints are usually made with blind dovetails so
rivets, or bolts. Its main disadvantage is that it is
Dado, Gain, and Rabbet Joints
You would use the plain dado joint (fig. 3-15) to
make cabinets and shelves. You would usually cut
this joint with a dado head (cutters), which fits on a
circular saw. You also can make this cut by hand
using a backsaw or tenon saw and finish it with
chisels. Fasten this joint with glue, nails, or screws.
Figure 3-13.--Typical scarf joints.