Source: www.chinafastener.com
Square Drive Deck Screws with Nibs, Double Countersunk Head, Stainless Steel 304
304/316 Stainless Steel Bugle Batten Screws for Timber Wood
Marine Grade 316 Stainless Double Thread Square Drive Composite Decking Screws
304/316 Stainless Steel Countersunk Head Square Drive Deck Screw w/ 4 Ribs
Pan Head Allen Socket Head Self Drilling Screws Stainless Steel 18-8/316/410
Stainless Steel Flat Head Torx Self Drilling Tek Screw #3 Point
Stainless Steel 18-8/316/410 Pan Head Square Drive Self Drilling Tek Screws
Stainless Steel Hex Washer Head Self Drilling Screw for Heavy Duty Steel Structure #6 Tek Point