5/8-18 x 3 1/2 Hex Cap Screw SS 18-8 (A2)

Drive nails are stainless steel

10 x 2 1/2 Simpson Flat-Head Deck-Drive™ DWP Wood Screws - 6-Lobe Drive 316 SS - Deck Pack (350)

3/4-16 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

7 x 3 Simpson Trim-Head Wood Decking Screws - Square Drive 316 SS - 5 lbs Pack (490)

M18-2.50 x 40 Socket Cap Screw 12.9 Alloy Plain DIN 912 3/4-16 Hex Cap Screws 316 Stainless Steel 5/8-18 x 3 1/2 HexM18 2. 50 x 40 Socket Cap Screw 12. 9 Alloy Plain DIN 912 . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds DIN 912. Manufactured from heat treated alloy steel, 1960 series.