QUICK CHANGE MANDREL ASSEMBLY FOR USE WITH A HOLE SAW AND A PILOT DRILL BIT

摘要

A mandrel assembly is usable with a hole saw and a drill bit. The mandr el assembly includes a body having a shank portion and an adapter receiving portion. The adapter receiving portion defines an adapter receiving cavity a nd including a first wall having a first detent hole extending therethrough. Th e mandrel assembly further includes a bit coupler secured to the body. The bit coupler is located within the adapter receiving cavity and defines a drill b it receiving portion. The drill bit receiving portion includes a bit receiving cavity and a second wall having a second detent hole extending therethrough. The mandre l assembly further includes an adapter configured to be received within the adapter receiving cavity, the adapter having an externally threaded portion configur ed to meshingly engage with a set of internal threads of the hole saw, the adapter further having a first detent groove defined in an outer surface thereof. Th e mandrel assembly also includes a first ball detent located within the first decent hole of the body and is configured to be received within the first detent groove of the adapter. Moreover, the mandrel assembly includes a second ball detent located within the second detent hole of the bit coupler and is configured t o be received within a second detent groove of the drill bit.