Spax Screws Flat Countersunk Head - Zinc-Plated - #6 x 3/4", Pkg 45 Hex Head 410 Stainless Steel Masonry Screws This innovation distributes the load

This innovation distributes the load through two points on each joist nail for greater strength

The ring shank design delivers superior holding power

Syntec Premium "S" Segment cup wheels are a fast-cutting and aggressive grinding wheel

Designed to anchor nominal 4x4 wood posts to existing concrete

Low-Torque Thread Design: Drives easier and extends battery life on cordless tools

Spax Screws Flat Countersunk Head - Zinc-Plated - #6 x 3/4", Pkg 45 Hex Head 410 Stainless Steel Masonry Screws This innovation distributes the loadCrafted from Steel with a Zinc Plated finish and synthetic coating, these durable Spax Screws feature a Flat Countersunk Head and serrated cutting threads that eliminate the need for pre drilling. With a versatile Unidrive design, they offer the perfect combination of a Square and Phillips head.