T-Nut, 3 Prongs, #10-32, 18-8 Stainless Steel, 9/32 in Barrel Ht, 4000 PKMfr #: 814599 BR 4000 Used for fastening metal to products made of wood, particle board or plastic. Used for fastening metal to products made of wood, particle board or plastic. The 3 prong style is used in harder materials to minimize splitting of the mating surface. (4 prongs are most commonly used in softer materials) Stainless Steel 18 8 for corrosive environments Barrel Length: 9 32", inches Thread Size Pitch: #10 32