12-14 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 1/4 x 3-3/4 Slotted Indented Hex Washer Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

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

This 1/4 x 2-1/4 Phillips Flat Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

Attaches wood to wood

Attaches drop ceiling tire wires to steel

Attaches wood trim to drywall or studs

Attaches gypsum board to wood studs

This 3/16 x 1-1/4 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 Phillips Flat Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces

Attaches cement board to wood studs

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

This 3/16 x 1-1/4 Phillips Flat Head Concrete Screw in Blue Finish is perfect for fastening materials to concrete surfaces