Comparison : Item # SDCP22318, 0.575" x 3-1/8" (2" Thread Length) Strong-Drive® SDCP Timber-CP Screw, Yellow-Zinc Coated, Flat Head with Nibs, T40 6-Lobe Drive, Type-17 Point, 250/pk
Item # SDCP22318-R50, 0.575" x 3-1/8" (2" Thread Length) Strong-Drive® SDCP Timber-CP Screw, Yellow-Zinc Coated, Flat Head with Nibs, T40 6-Lobe Drive, Type-17 Point, 50/pk
Item # SDCP22434, 0.575" x 4-3/4" (3-1/8" Thread Length) Strong-Drive® SDCP Timber-CP Screw, Yellow-Zinc Coated, Flat Head with Nibs, T40 6-Lobe Drive, Type-17 Point, 250/pk
Item # SDCP22434-R50, 0.575" x 4-3/4" (3-1/8" Thread Length) Strong-Drive® SDCP Timber-CP Screw, Yellow-Zinc Coated, Flat Head with Nibs, T40 6-Lobe Drive, Type-17 Point, 50/pk
Item # SDCP22512, 0.575" x 5-1/2" (3-1/8" Thread Length) Strong-Drive® SDCP Timber-CP Screw, Yellow-Zinc Coated, Flat Head with Nibs, T40 6-Lobe Drive, Type-17 Point, 250/pk