Use with draw-bolt or in Bench Press Simply drill the recommended hole size in the metal that you desire to dimple, then use a press to do the work. Made from heat treated Chrome Moly steel, these dies are built to last They work great in Bench Press with no drilling needed for even faster production. Customizable Dimple Dies for Metal Fabrication in Various Colors and Sizes Dimple Dies For Sale 5/8" Dimple Dies - Punch & Flare Tool For 16ga Steel & 14ga Aluminum Woodward Fab Dimple Dies Punch and flare a hole in up to 1., 5MM/16 gauge steel Easily punch and flare holes in sheet metal up to 1/8" thick with Eastwood Dimple Die Set. Perfect for fabrication projects. Order now at JB Tools Flare Height (inches): 1/4 (approximate) , Construction: steel Made of Hardened Steel