Simpson 3/8 x 18" Heli-Tie Helical Wall Tie Stainless Steel HELI371800A PACK:200 Pk 8" Riser Block

8" Riser Block

head diameter sits flush without leaving a large

reliable connection between the stair stringer and the carrying header or rim joist while replacing costly framing

The double-barrier coating makes this screw a practical choice for structural applications where moisture exposure and long-term corrosion resistance matter

Simpson 3/8 x 18" Heli-Tie Helical Wall Tie Stainless Steel HELI371800A PACK:200 Pk 8" Riser BlockSimpson HELI371800A Heli Tie 3 8 in. x 18 in. Helical Wall Tie by Simpson is a corrosion resistant, Type 304 stainless steel helical wall tie engineered to anchor building faades to structural members or to stabilize brick walls. The helical design allows the tie to be driven quickly and easily into a predrilled pilot hole or embedded into mortar joints during new construction creating a mechanical connection between a masonry faade and its backup