Simpson 4" x 20d Annular Ring Shank Common Nail, 316 Stainless Steel 6 Ga. PACK:25 Lb (625) What makes the ZMAX finish

What makes the ZMAX finish suitable for exterior and treated-wood use

Shank Type: Smooth Shank

providing the reach needed for deeper rebar embedment hole cleaning applications

The seat adjusts to accommodate varying porch-slab thicknesses from 4 in

Simpson 4" x 20d Annular Ring Shank Common Nail, 316 Stainless Steel 6 Ga. PACK:25 Lb (625) What makes the ZMAX finishSimpson 4 inch 20d Annular Ring Shank Common Nail in Type 316 Stainless Steel is a heavy duty fastener engineered for demanding wood framing and wood to wood fastening applications where corrosion resistance and superior holding strength are essential. Featuring a full round head, diamond point, and an annular ring shank that dramatically increases withdrawal resistance compared to smooth shank nails, this 6 gauge nail delivers a secure, long lasting