These stainless steel cap nuts are composed of a hex nut and top cap consisting of 18% chromium and 8% nickel for corrosion resistance

5/8 x 3 1/2 Hex Lag Screw 18-8 SS

3/4-10 x 7 Hex Cap Screw SS 316 (A4)

Socket Cap Screws in 18-8 (A2) Stainless Steel by Brighton Best

8 x 2 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - 5 lbs Pack (640) 9/16-12 Hex Cap Screws 316 Stainless Steel These stainless steel cap nuts8 x 2 Simpson Bugle Head Wood Decking Screws 6 Lobe Drive 305 SS 5 lbs Pack (640) . 6 lobe drive prevents driver bit cam out and stripping in recess. Type 17 tip provides fast starts and prevents splitting in hardwoods. Coarse threads run approximately 2 3 up the shank to help draw the decking tightly to the substrate. Pre drilling is recommended near board ends to prevent splitting. Drive Sizes: #6 T15 #8 T20 #10 T25