Hillman 1 in. Zinc Plated Steel USS Hex Nut, Coarse Thread, 10 Pack Bright Finish Nails 175 Thickness Measurement 3 mm Wear FRUSTRATION FREE Detailed 175 Thickness Measurement 3 mm Wear Layer Thickness (Mils) 0 Backing Dry Back Construction Type VT Edge Type Straight edge Installation Type Glue down Floating No Groutable No Luxury Vinyl Tile No Protective Wear Layer Vinyl Gloss Level Medium Textured No Scratch Resistant No Stain Resistant No Commercial Residential Commercial Residential Use Location Indoor Sub Floor Surface Wood or concrete For Use Over Concrete Yes For Use Over Cork Underlayment Yes For Use Over Tile No For Use Over Vinyl No For Use Over Wood Yes Pieces per Carton 1 Sold As Piece Sample Available No Square Footage Per Piece (Sq Hollow Wall Anchoring: Wings expand behind drywall or plaster for a secure A: They fit 1 in A: 10 nuts per package