Simpson T10HPTDB 10d (3") Preservative-Treated Wood Decking Nail - 316 Stainless Steel, 25 lb. Pkg HGU Girder Hangers while a 6-lobe drive provides

while a 6-lobe drive provides secure engagement and reduces cam-out

If you have a nominal post measuring 3-1/2x3-1/2" you will need an ABU44Z Post base

Use all specified fasteners (NOT included)

Available in bulk packaging for efficient jobsite use

The flat head sits level with the surface

Simpson T10HPTDB 10d (3") Preservative-Treated Wood Decking Nail - 316 Stainless Steel, 25 lb. Pkg HGU Girder Hangers while a 6-lobe drive providesThe Simpson T10HPTDB wood decking nails are available in either type 304 or type 316 stainless steel for superior corrosion resistance. 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.