16d (3-1/2") Preservative-Treated Wood Decking Nail, Annular Ring Shank, 25lb (1,400 fasteners) HU Face Mount Hangers these structural screws give you

these structural screws give you the muscle to get it done right

and other surface-mounted components

use round and triangle holes for maximum load

This makes it ideal for outdoor projects built with Ipe

16d (3-1/2") Preservative-Treated Wood Decking Nail, Annular Ring Shank, 25lb (1,400 fasteners) HU Face Mount Hangers these structural screws give youSimpson T16PTD RP25 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.