Hand drill extender kit

作者： Robert B. Wrobel

DOI:

关键词: Extender 、 Sample length 、 Mechanical engineering 、 Hole saw 、 Coupling (piping) 、 Tool holder 、 Drill 、 Engineering 、 Electrical conduit

摘要: A hand drill extender kit has components which are used with a length of electrical conduit to make an extender, near end can be held in the chuck and far hold tool such as hole saw, comprising chuckable part, holder coupler for coupling two lengths conduit, jig holes diametrically through fastening other components, auxiliary tools larger shafts, sample pre-drilled.