Fantastic Holding Power
Just built two identical loft beds for grandsons. Used 4x4 posts and 2x4 and 2x6 for main structure, 1x4s for slats. Used these heavy duty screws in 2.5 inch length in pocket holes. Plans called for 3 inch wood screws, but these worked great. I am 300 lbs and the 2x4 ladder put together with these held me just fine. That's a lot of stress on a handmade ladder! Wouldn't use a cheaper alternative screw in my projects, want them to last!