Simpson 3/8 x 18" Heli-Tie Helical Wall Tie Stainless Steel HELI371800A

The Simpson Strong-Tie Heli-Ties are designed to anchor building facades to structural members such as concrete block. These helical wall ties are made from 304 stainless steel for a long lasting service life and excellent corrosion resistance. The helical design makes installation quick into the predrilled pilot hole. Model No. HELI371800ACoating/Material. Type 304 Stainless SteelSize (in.) 3/8 x 18Drill Bit Dia. (in.) 7/32 or 1/4 Note: Product dimensions may differ from picture. Please see above item description for specifications.