Hollow-chisel Mortiser in Action

Hollow-chisel Mortiser in Action

Hollow-chisel mortisers are one of my favorite tools. When mortising machines were first invented, a drill bit and a chisel were mounted side by side. Ralph and Robert Greenlee changed all that, and production woodworking forever with the invention of the hollow chisel. It’s quite an accomplishment to drill a square hole, and while the device is simple, the relationship between the bit and the chisel is critical. If there […]

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