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Screw chuck – Safe Lock Woodworm Screw
The Safe Lock woodworm screw (screw chuck) provides a convenient method for
holding a bowl blank to cut a recess or spigot to mount on an accessory jaw.
The accessory jaw segments must be properly mounted beforehand to use the
woodworm screw. The woodworm screw is to be mounted inside the centre hole of
the chuck as shown below:
Open the jaw slides and insert the
Safe Lock Woodworm screw in
the center hole of the chuck.
Position the Safe Lock
Woodworm screw as shown as
the image.
Note:
All 4 flat sides of the Safe
Lock Woodworm screw should be
in contact with the flat end of the
jaw slides.
Make sure this flat face of the
Safe Lock Woodworm screw
comes in contact with the flat
surface of the jaw slide
