14-14 x 2-1/2 Unslotted Indented Hex Washer Head Self-Drilling Screw with Bonded Neo-EPDM Washer 410 Stainless Steel Passivated and WaxedAttaches metal or aluminum to metal or aluminum.

This 3/16 x 4 Slotted Indented Hex Washer Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

Attaches gypsum board

Attaches metal to wood

Wood to wood for interior wood applications

This 1/4 x 4 Phillips Flat Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

Attaches light gauge sheet metal to sheet metal

Indoor or outdoor applications

This 3/16 x 2-1/4 Slotted Indented Hex Washer Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

This 3/16 x 3-3/4 Slotted Indented Hex Washer Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

Exterior wood screw for outdoor applications

This 1/4 x 3-3/4 Phillips Flat Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

This 3/16 x 3-3/4 Phillips Flat Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces