Comparison : Item # SDWC15450-KT, 0.335" x 4-1/2" (4-1/4" Thread Length) Simpson Strong-Drive® SDWC® Truss Screw, T30 6-Lobe, Cap Head, Type-17 Point, E-coat® Electrocoating, Black, 50/pk
Item # SDWC15450B-KT, 0.335" x 4-1/2" (4-1/4" Thread Length) Simpson Strong-Drive® SDWC® Truss Screw, T30 6-Lobe, Cap Head, Type-17 Point, E-coat® Electrocoating, Black, 500/pk
Item # SDWC15600-KT, 0.335" x 6" (5-3/4" Thread Length) Simpson Strong-Drive® SDWC® Truss Screw, T30 6-Lobe, Cap Head, Type-17 Point, Clear Zinc Coating, Orange, 50/pk
Item # SDWC15600B-KT, 0.335" x 6" (5-3/4" Thread Length) Simpson Strong-Drive® SDWC® Truss Screw, T30 6-Lobe, Cap Head, Type-17 Point, Clear Zinc Coating, Orange, 500/pk