3/8"-16 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws

These 3/8-16 x 3-1/2 Grade 5 Coarse Hex Cap Screws are crafted from durable Grade 5 steel, delivering reliable strength and long-lasting performance for demanding applications. Featuring a zinc finish, they offer moderate corrosion resistance, making them suitable for both indoor and outdoor use. The hex head design allows for easy installation and removal using standard wrenches or sockets, while head stamping ensures quick grade identification even after installation. Ideal for construction, machinery, automotive, and industrial projects, these bolts provide precise threading for smooth engagement and maximum holding power, ensuring components stay securely connected under stress. Manufactured by Midwest, these screws are a dependable choice for professionals and DIY enthusiasts seeking high-quality fastening solutions.

Features

• Zinc finish provides moderate corrosion resistance
• Head stamping provides easy class/grade identification even after installation
• Precise threading provides smooth engagement and maximum holding power, ensuring components remain firmly connected under stress
• Hex head design allows for easy installation and removal with standard wrenches or sockets
• Manufactured from Grade 5 steel for reliable strength and long‑lasting performance in demanding applications.

Specifications

• Length: 3-1/2"
• Thread Type: Coarse
• Retail Selling Unit Piece Count: 50
• Material: Steel
• Subclass: H5
• Tariff Code: 7318.15.8066
• Scale: Standard
• Product Line: GF
• Diameter: 3/8"
• Drive Size: 9/16" Wrench
• Nominal Size: 3/8 in.-16 x 3-1/2 in.
• Country of Origin: China
• Drive Type: Hex
• Thread Size: 16
• Finish: Zinc
• Class: BL