Hillman 3/8 in. Dia. x 3-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack Key Accessories Q: What is the primary

Q: What is the primary purpose of a split lock washer

They are not recommended for use in treated lumber or where surface rust is unacceptable

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A: Pre-drilling is recommended for accurate alignment and to prevent splitting

Hillman 3/8 in. Dia. x 3-1/2 in. L Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack Key Accessories Q: What is the primaryHillman 3 8 in. x 3 1 2 in. Hex Head Cap Screws (50 Pack) Grade 5 heat treated hex head cap screws for strong, reliable fastening in wood or metal. Zinc plated alloy steel resists wear and corrosion, ideal for general construction and repair where a 3 8 in. 16 thread is needed. Key Features: Durable Grade 5 Strength: Heat treated alloy steel provides higher tensile strength for demanding applications Corrosion Resistant Zinc Finish: Protective plating