A router bit is a tool for woodworking giving a quality finish to
woodwork. It cuts wood providing a way to give a clean and even a
decorative edge to woodwork. The following is some basic information
about router bits to get you started in your woodworking efforts.
The Parts of a Router Bit
Here are the there main parts of a router bit:
1) The shank- the part of the router bit that is inserted into the
collet (the sleeve of the router).
2) The cutting edge- this part cuts and removes the wood. They are
available in several sizes and shapes.
3) The pilot- the guide for the router in order to make a correct
cut. It can be an extension of the shank or a ball bearing
attachment.
The Different Kinds of Router Bits
While there are over 50 router bit profiles, here are the four
basic types of router bits:
1) Grooving Bits- These bits make a groove in the piece of wood.
This type of bit is commonly used for street address signs for
homes. Different types of grooving bits include the V-Groove, the
Round-Nose and the Straight Bits.
2) Joinery Bits- Router bits that help make several different types
of joints. This type of router bit includes the Finger Joint, the
Drawer Lock, the Rile and Stile, and Dovetail Bits.
3) Edge Bits- Bits used to create different-shaped edges in
woodwork. Examples of these types of bits include the Beading,
Flush, and Round-over bits.
4) Specialized Bits- These bits do not fit into one of the above
categories and have more specialized purposes including the Key
Hole, Raised Panel, and T-Slot bits.
Carbide versus HSS bits
Most of the bits you will find available in hardware stores are
carbide (short for tungsten carbide) tipped. These router bits are
made of a very hard material that stays sharp longer than steel and
is resistant to heat. However, this type of router bit can chip and
is very expensive (this is why most of the bits are tipped and not
made completely of carbide).
High Speed Steel (HSS) bits have been around longer but are not
as readily available as the carbide bits. An HSS router bit is not
as expensive but will dull fairly quickly. The HSS router bit is
more suited for occasional work while a carbide router bit is meant
for greater use, lasting 20 times longer than the HSS router bit.
How to Take Care of Router Bits
To keep your router bit set in good shape, you will want to do
small amounts
of cutting at a time. This not only keeps you away from overheating,
but will also extend the life of the router bit. Always use the
shortest and widest bit possible for your project. This will again
prevent overheating and will also avoid chattering.
Always keep your router bits clean and free from pitch and in
good condition to avoid dulling. Remove any pitch and tar from the
router bit (if not removed, it will cause the bit to unevenly bounce
on the surface). Commercial bit cleaner can be used to remove pitch
and tar; however, a scrap piece of wood will usually do the trick.
This will help keep your router bits in good working order.
The parts of a router bit, the types of bits, the difference
between HSS bits and carbide bits, and the proper care of router
bits are all important concepts to understand when selecting your
own router bit set. This basic knowledge will
help you know what you need in a router bit set and how to use it
properly.
About the Author
Kaitlin Carruth is a client account specialist with
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