Easy to install, it won't fall off easily. Thread Coverage: Partially Threaded. Head Type: Hex. Drive System: External Hex. 1/4-20 x 3/4" Furniture Screw (Silver) with 1/4"-20 Threaded Inserts for Wood.Insert nuts: 1/4-20 x 19/32"；Insert head : 0.46" / 11.7mm;body : 0.315" / 8mm; threads : 0.41" / 10.4mm ; Screws :1/4-20 x 3/4".
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