Comparison : Item # SDHR27400, 0.275" x 4" (2-1/8" Thread Length) Simpson Strong-Drive® SDHR Combo-Head Screw, T40 6-Lobe or Hex Drive, Combination Head, Type-17 Point, Blue-Zinc Coated, 100/pk
Item # SDHR27400-R25, 0.275" x 4" (2-1/8" Thread Length) Simpson Strong-Drive® SDHR Combo-Head Screw, T40 6-Lobe or Hex Drive, Combination Head, Type-17 Point, Blue-Zinc Coated, 25/pk
Item # SDHR27614, 0.275" x 6-1/4" (4-3/8" Thread Length) Simpson Strong-Drive® SDHR Combo-Head Screw, T40 6-Lobe or Hex Drive, Combination Head, Type-17 Point, Blue-Zinc Coated, 100/pk
Item # SDHR27614-R25, 0.275" x 6-1/4" (4-3/8" Thread Length) Simpson Strong-Drive® SDHR Combo-Head Screw, T40 6-Lobe or Hex Drive, Combination Head, Type-17 Point, Blue-Zinc Coated, 25/pk
Item # SDHR31400, 0.315" x 4" (2-1/8" Thread Length) Simpson Strong-Drive® SDHR Combo-Head Screw, T40 6-Lobe or Hex Drive, Combination Head, Type-17 Point, Blue-Zinc Coated, 100/pk