Simpson 8d x 2 1/2" Redwood Painted Siding Nail, 304 Stainless Steel HH Header Hangers 04 is a solid carbide

04 is a solid carbide reversible insert knife with dimensions R=1

Construction: Single-Piece

flush countersinking in timber surfaces without additional pre-drilling or surface preparation

and the hole size is the same as the anchor size - 1/4 in

ZMAX Coating: Heavy galvanized coating provides enhanced corrosion resistance for demanding environments

Simpson 8d x 2 1/2" Redwood Painted Siding Nail, 304 Stainless Steel HH Header Hangers 04 is a solid carbideSimpson 8d x 2 1 2" Redwood Painted Siding Nail in 304 Stainless Steel is a premium quality fastener engineered specifically for cedar, redwood, and cypress siding installations. Made from Type 304 stainless steel, this nail delivers long lasting corrosion resistance suited to exterior wood siding applications. The redwood painted full round head blends seamlessly with siding surfaces, while the checkered head pattern mimics wood grain texture for a