These solid aluminum nails can be hammered into pre-drilled holes to fasten tackless strip or metal moldings down onto concrete subfloors, or onto tile or stone when necessary. The semi-square body compresses and holds against the walls of a pre-drilled 1/8" hole. For carbide or masonry drill bits used to drill the 1/8" holes for these fasteners, see our No. 223 - 1/8" Solid Carbide Drill with No. 225 - 1/8" Hexagon Adaptor. Fastener dimensions : 1/8" dia. x 7/8" long. Hole size: 1/8" x 1".

• Solid aluminum nails for fastening tack strip onto concrete, tile, or stone
• Oval head seats in metal moldings with countersunk holes
• Semi-square body compresses against pre-drilled 1/8” hole
• Fastener dim.: 1/8" dia. X 7/8" long. Hole: 1/8" dia. x 1" deep