Here's a box of 25, #10 x 2 1/2" stainless steel, flat head, square drive deck screws, Thanks for looking.
Deck screws for composite material have curved necks that sink into material to sit flush with the surface. They have sharp points and narrow bodies to penetrate plastic-wood composite decking materials. Steel and alloy steel materials are available with corrosion-resistant finishes for use in outdoor environments.ApplicationOutdoor Wood to Wood ProjectsDriveSquareDrive Size#2Fastener Length2-1/2 inFinishPlainHead TypeFlatMaterial18-8 Stainless SteelMaterials for Use WithVinyl Decks; WoodOverall Length2-1/2 inScrew Size#10System of MeasurementInchThread TypeCoarseTip TypePointedTypeDeck ScrewManufacturer Part Number1VB40UNSPSC31161508