10 x 2 1/2 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - 5 lbs Pack (410) . 6-lobe drive prevents driver bit cam-out and stripping in recess. Type 17 tip provides fast starts and prevents splitting in hardwoods. Coarse threads run approximately 2/3 up the shank to help draw the decking tightly to the substrate. Pre-drilling is recommended near board-ends to prevent splitting.
Drive Sizes:
#6 - T15
#8 - T20
#10 - T25
