Need to assemble and disassemble something frequently? Square Drive screws will do the job once or twice, but the threads in the wood will eventually fail. You need these Solid Brass threaded inserts. Drill a hole the same diameter as the body of the insert and simply thread in the insert using a screw driver or an installation wrench Drill a clearance hole in the piece to be joined and assemble with the appropriate machine screw. Best when used in side or face grain. Made in the USA.
Threaded Insert Driver Sold Separately
See Available Machine Screws Here.
Internal Threads: 1/4-20
Requires Drill Size: 3/8"
Body Diameter: 3/8"
External Thread Diameter: 15/32"
Overall Length: 1/2"
Drive Type: Slotted (use special insert driver or make your own).