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Screw chuck ā 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 Safe
Lock 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