Screwed Joints

FIG 4.19

Dowelled butt joint for the corner of a frame.

3 Using a bradawl, make a hole in the lower piece with a small diameter for the screw thread.

4 The screw should hole in the top piece lower piece.

2 Countersink the hole for the screw head.

4 The screw should hole in the top piece lower piece.

Screws are a quick and effective way of making a joint in wood, and I use them extensively for construction work. Try to avoid screwing into end grain as this will not be very secure. If a number of large screws need to be inserted, make the job easier by lubricating them with candle wax- 1 Drill a hole in the top piece slightly larger than the diameter of the screw.

3 Using a bradawl, make a hole in the lower piece with a small diameter for the screw thread.

slide through the and screw into the

FIG 4.20

Joining wood with screws.

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