7D (2-1/4") Wood Siding Nail - 316 Stainless Steel, 25 lb. Pkg Drywall Screws 6-lobe drive recess – Secure

6-lobe drive recess – Secure engagement and longer bit life

5-inch lally columns and 7 LVL/PSL/LSL girders but is also available in a wide range of other sizes

The Simpson Strong-Tie Deck-Drive™ DCU Composite Screw is engineered for strength

Slender shank permits nailing at board ends with reduced splitting

wall framing

7D (2-1/4") Wood Siding Nail - 316 Stainless Steel, 25 lb. Pkg Drywall Screws 6-lobe drive recess – SecureSimpson wood siding nails are available in either type 304 or type 316 stainless steel. Checker pattern on nail head blends well with wood grain, reduces glare from sunlight and accepts surface finishes. Annular ring shank increases pull out resistance to provide a secure attachment that reduces cupping of siding boards.