A backer board prevents tearout

Regardless of the type of drill and bit you're using, bits will cause splintering and tearout when they exit a board. 16 prevent this from happening, simply slip a backer board beneath the woikpiece before drilling. Any piece of wood scrap can be used as a backer board. For a more permanent backer board, many woodworkers attach pieces of scrap wood to their drill press table with screws driven up through the guide holes In the table, in addition to preventing tearout, a wood auxiliary table on your drill press helps prevent damage that can occur to drill bits if they're inadvertently driven into the metal table.

Backer board

Drill press speeds

Material

Hoie dia.

Speed (rpm)

Plastic

Vie in.

6000-6500

Va in.

3000-3500

Vi in.

500 1000

Soft

Vie fci.

6000-6500

metal

Vi in.

4500-5000

Vl in.

1500 250

Steel

Vie In.

5000 6500

x/n in.

1500-2000

V> In.

500-1000

Wood

0-Vz in.

3000-4000

Va 1 In.

2000-300 0

1+ in.

700-2000

Note: Muitlspur bits should be used

at very low speed (250 to 700 rpm)

Woodworking Tools and Installation Tips

Woodworking Tools and Installation Tips

There are a lot of things that either needs to be repaired, or put together when youre a homeowner. If youre a new homeowner, and have just gotten out of apartment style living, you might want to take this list with you to the hardware store. From remolding jobs to putting together furniture you can use these 5 power tools to get your stuff together. Dont forget too that youll need a few extra tools for other jobs around the house.

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