Simpson 4d x 1 1/2" Annular Ring Shank Box Nail, 316 Stainless Steel Concrete and Masonry Screw The step design eliminates the

The step design eliminates the need for multiple drill bits

this innovative hanger delivers a two-hour fire rating tested to ASTM E814

Metal fabrication work requiring precise

further contributing to long-term durability and precision

Depth Pin Measures narrow holes or channels not accessible with standard gauge

Simpson 4d x 1 1/2" Annular Ring Shank Box Nail, 316 Stainless Steel Concrete and Masonry Screw The step design eliminates theSimpson 4d x 1 1 2" Annular Ring Shank Box Nail in 316 Stainless Steel is a premium fastener engineered for demanding outdoor, coastal, and moisture prone construction applications. Built by Simpson from Type 316 stainless steel, this 14 gauge box nail delivers outstanding corrosion resistance in saltwater environments and chemical exposure scenarios where standard fasteners fall short. The annular ring shank design provides a mechanical grip that