3/16 x 3 1/2 Mushroom Spike Zinc Plated (100)

1/4 x 3 Nailon™ Anchor Mushroom Zinc Plated (100)

the expansion mechanism compresses and exerts force against the walls of the hole

Nylon insert locknuts are hex nuts with a nylon-filled collar

3/4-16 x 3 1/4 Hex Cap Screw SS 18-8 (A2) 3/4-10 Socket Cap Screws 18-8 Stainless Steel 3/16 x 3 1/2 Mushroom3 4 16 x 3 1 4 Hex Cap Screw SS 18 8 (A2) . 18 8 stainless steel hex cap screws will have a typical composition of 18% chromium and 8% nickel. These percentages exist in 303, 304 and 305 series stainless steels so 18 8 is used at times to designate any and all of those alloy groups. 18 8 stainless steel offers good corrosion resistance and machines easily but will over time stain in coastal environments. They are also acceptable for use in ACQ