Switch or lamp socket recess cutting tool for wood or chip-board sheets and penetration stop cooperating with penetration control enclosing cutting blades to limit cutting depth.

摘要

The cutting tool is used for providing a circular recess for reception of an electrical switch or socket using an interchangeable disc (6) provided around its periphery with cutting blades (8,9) having a negative cutting angle.The disc is fitted to a shaft (3) which can be coupled to a rotary drive shaft (1), with a penetration stop (2), slid along the coupled shafts for selecting the required penetration depth and coupled to a penetration control (5) enclosing the cutting blades