Simpson 3/8 x 9" Heli-Tie Helical Wall Tie Stainless Steel HELI37900A RFB Retrofit Bolt Shank Type - Machining: SDS

Shank Type - Machining: SDS Plus

This makes it the preferred material for fasteners used in boat building and marine trade applications where corrosion protection is critical

The Quik Guard coating is rated for exterior use and certain preservative-treated wood environments as described by ICC-ES AC257

This broad range allows operators to select the appropriate cutting speed for a wide variety of materials and tooling diameters

Simpson 3/8 x 9" Heli-Tie Helical Wall Tie Stainless Steel HELI37900A RFB Retrofit Bolt Shank Type - Machining: SDSSimpson HELI37900A Heli Tie 3 8 in. x 9 in. Helical Wall Tie by Simpson Strong Tie is a 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 in new construction to provide a mechanical connection between a masonry faade and its backup material. As it is driven,