Simpson Strong-Tie S09400FB5 #9 x 4" SQUARE DRIVE TRIM HEAD 305SS SCREWS 5lb
Features and Benefits:
These Trim Head Square Drive Screws are #9 diameter, 4" length, 0.250" Head diameter, #2 square drive, includes bit. 305 STAINLESS STEEL. Each box contains 5 pounds (61/lb = 305 total screws)
Type 305 stainless steel for superior corrosion resistance
Trim-style head is less noticeable on the decking surface
Type-17 point for fast starts
Coarse threads approximately 2/3 up the shank draw the decking and other material tightly to the substrate
Square Drive helps prevent driver-bit cam-out
Pre-drilling recommended near board ends to prevent splitting
Driver bit included in each package 305 Grade Stainless Steel is a nickel-chromium grade of stainless steel that has a high resistance to corrosion. Fastening all types of wood decking including cedar, redwood, preservative-treated woods (non-hardwood) and some composite decking materials.