Simpson #14 x 2-1/4 in Collated Pancake Head Wood-to-Metal Screw 410 Stainless SSPCSD214T1414 Mixer and a two-speed transmission combined

and a two-speed transmission combined with variable speed control

the cap prevents anchoring adhesive from running out during installation while simultaneously centering a 3/8 in

Blade Size: Standard 1-1/16"

Simpson Strong-Tie Strong-Drive SDS Heavy-Duty Connector screws needed for installation

Simpson #14 x 2-1/4 in Collated Pancake Head Wood-to-Metal Screw 410 Stainless SSPCSD214T1414 Mixer and a two-speed transmission combinedThe Simpson Strong Tie SSPCSD214T1414 is a #14 x 2 1 4" collated, pancake head wood to metal screw crafted from Type 410 stainless steel for reliable corrosion resistance in demanding fastening applications. Engineered with a #5 self drilling point and fine thread pattern, this screw drills cleanly through sheathing and into aluminum or light gauge steel framing without pre drilling. The large diameter, low profile pancake head delivers exceptional