E Z LOK 400 4 Threaded Insert, Brass, Knife Thread, 1/4" 20 Internal Threads, 0.500" Length (Pack of 25)

Provides a robust machine thread in hardwood Ideal for use in woods such as oak, cherry, and maple Designed for use in furniture, protective paint, storm windows and marine applications Simply drill the correspondingly large hole and install with screwdriver or optional drive tool Proprietary external knife threads provide excellent holding power