3/16 x 2 Mushroom Spike Zinc Plated (100)

10 x 3 1/2 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 1 lbs Pack (54)

When used with castle or slotted nuts

3/4-16 x 5 Hex Cap Screw SS 316 (A4)

5/8 x 16 Hex Lag Screw Hot Dipped Galvanized

1/2-13 x 5 Hex Tap Bolt Silicon Bronze 5/8-11 Grade 5 Hex Cap Screws Zinc Plated 3/16 x 2 Mushroom Spike1 2 13 x 5 Hex Tap Bolt Silicon Bronze. Silicon Bronze Hex Tap Bolts are similar to low carbon steel in hardness but offer high resistance to corrosive environments such as sea water, gases, sewage and atmospheric conditions. Commonly used in naval construction and power plant applications.