David I bought them at Ace Hardware. Both Home Depot and Lowe’s should have the stacked cabinets with drawers, on the screws and bolts aisle, where they offer less common fasteners and various misc. hardware. They are 10-32 X 1/4″ long and screw down in the hole flush. I took the LAA with me to match the threads. I went with stainless steel since I use whetstones. I also bought 10-32 X 3/16″. These are a tad shorter and sink in below the surface. I figure depending on the knife’s thickness there may be a need for these shorter ones too.
Both size locking screws use 5/32 Allen Wrench. The screws were around $0.60 a piece.
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