AMT446 – Delta Model 14-650 Type 2 Hollow Chisel Mortiser

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Serial Number: P9807

Overview

A hollow chisel mortiser operates like a drill press, but cuts square holes.  It uses special bits that have a rotary interior and a square chisel exterior.  It has an integrated fence and a hold-down that make it easy to cut a line of square holes, to form a mortise.

Here is a video about how it is used:

Changing Bits

This video covers how to change bits:

Maintenance

This video has details about how to change bits and how to maintain the hollow chisel mortiser.

 

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