The socketed or mortising chisel (38) is unknown till the Italian bronze of the 8th century s.c., and the Naucratis iron of the 6th century.
Mortising machines and tools - Mortising tools are powered by electric drills or drill presses.
Mortising machines are self-contained motorized units.
Woodworkers use these tools and machines, fitted with special mortising bits, to create the square or round holes that tenons fit into.
Many log furniture makers use a mortising machine and special mortising tools for creating square or round holes for the tenons to fit into.