Simpson 4d - 1-1/2" Wood Siding Nail, 316 Stainless Steel PACK:5 Lb (1990) Installing double 2x10 wood joists

Installing double 2x10 wood joists to masonry headers

Skew Angle: 45 degrees

Pre-bent for precise

500 x Simpson #12 x 1" Self-Drilling X Metal Screws

Heavy-duty rotary hammer drilling requiring SDS-max shank compatibility

Simpson 4d - 1-1/2" Wood Siding Nail, 316 Stainless Steel PACK:5 Lb (1990) Installing double 2x10 wood joistsSimpson 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