Simply press in to a pre-bored hole. Solid brass press in inserts have fins to prevent splitting, splintering or pullout: Use them to put threaded holes almost anywhere or with plastic knobs to make shop jigs and fixtures. Simply bore hole size indicated and press into place. Installing threaded bolt (not included) expands insert to firmly lock in hole. Suitable for plywood, particle board, hardwood and soft wood.USA.

• Simply press in to a pre-bored hole.
• Specifications: Barrel Length=3/8 in, Material=BRASS, Outside Diameter=.330 in
• Specifications: Threads=1/4-20, Pilot Hole=21/64 in

Simply press in to a pre-bored hole.Platte River