Simpson 4d - 1-1/2" Wood Siding Nail, 316 Stainless Steel PACK:5 Lb (1990) quad-head geometry is specifically engineered

quad-head geometry is specifically engineered to crush through rebar and prevent the bit from sticking in reinforced concrete

Diamond point tip - self-starting point geometry reduces splitting and makes it easier to drive nails accurately into hardwoods and softwoods alike

making it well-suited for use in challenging or outdoor environments

Are screws included

Simpson 4d - 1-1/2" Wood Siding Nail, 316 Stainless Steel PACK:5 Lb (1990) quad-head geometry is specifically engineeredSimpson 4d 1 1 2" Wood Siding Nail in Type 316 Stainless Steel is a professional grade fastener from Simpson Strong Tie, engineered for securing wood siding panels in demanding outdoor and coastal environments. The annular ring shank design delivers superior withdrawal resistance, while the checker patterned full round head blends naturally with wood grain making this nail a go to choice for exterior siding installations where both holding strength