Simpson 1 in. x 18 in. SDS-Plus Carbide 2-Cutter Head Drill Bit MDPL10018 Retrofit Post Bases and the minimum center-to-center spacing

and the minimum center-to-center spacing is 8 in

Long-series through-hole dowel drill for thick panels

the comparable model is the SCHA10

Simpson #8 x 1-1/2" Truss-Head Screw in 305 Stainless Steel is a high-performance fastener from Simpson designed for securing a wide range of materials to wood and wood-substrate surfaces

which significantly increases its ability to carry load even if the hole expands - a critical performance advantage in seismic and high-wind environments

Simpson 1 in. x 18 in. SDS-Plus Carbide 2-Cutter Head Drill Bit MDPL10018 Retrofit Post Bases and the minimum center-to-center spacingKey Features Uniformly brazed carbide inserts result in longer bit life Most bits contain a centering tip that facilitates easy spot drilling Chromium nickel molybdenum steel alloy body ensures hammering quality and extended service life Heat treatment procedures and shot peened finish increase surface hardness, drilling speed, reduces drill bit wear and improves resistance to bending forces Drill bits conform to ANSI Standard B212. 15 Chisel shaped