The nylon flange head adds stability in hollow surfaces

3/8 x 5 Powers Round Toggle Bolt Zinc Plated (25)

3/16 x 2 Powers Round Toggle Bolt Zinc Plated (50)

10 x 2 1/2 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 316 SS - 1 lbs Pack (82)

6 x 2 1/4 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (3000)

10 x 4 1/2 Phillips Bugle Decking Screws Dacrotized - Carton (500) 1-14 Grade 5 Hex Cap Screws Zinc Plated The nylon flange head adds10 x 4 1 2 Phillips Bugle Decking Screws Dacrotized Carton (500) . Exterior wood screws used for attaching wood to wood. Used in fencing, decks and patios Exceeds 500 hr. salt spray resistance Medium degree of corrosion resistance