These are fully threaded hex cap screws (i

1 1/2-12 Nylon Insert Locknut Zinc Plated

deformation-controlled expansion anchors with a preassembled expander plug

1 1/2-6 x 16 Socket Cap Screw Alloy

3/4-10 x 4 Hex Cap Screw SS 18-8 (A2)

3/4-16 x 7 Hex Cap Screw SS 18-8 (A2) 5/8-11 Hex Cap Screws 316 Stainless Steel These are fully threaded hex3 4 16 x 7 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 pressure