Some common types of iron tools include:

• Hammers: Hammers are tools that are used to strike and shape metal, wood, or other materials. They consist of a heavy metal head and a handle.
• Wrenches: Wrenches are tools that are used to tighten and loosen nuts and bolts.
• Pliers: Pliers are tools that are used to grip and manipulate objects.
• Saws: Saws are tools that are used to cut through wood, metal, or other materials.

And some common types of construction hardware:

• Fasteners: Fasteners include items like screws, nails, bolts, and anchors. They are used to securely join different construction materials, such as wood, metal, or concrete.
• Brackets and connectors: Brackets and connectors are used to reinforce and connect structural elements. They ensure stability and strength in various building components, such as beams, trusses, and framing.
• Hinges and locks: Hinges and locks are crucial for doors, windows, cabinets, and other moveable parts of a building. They allow for smooth opening, closing, and secure locking.
• Handles and knobs: Handles and knobs are used for doors, cabinets, drawers, and other fixtures.
• Latches and catches: Latches and catches are used to hold doors, windows, gates, and other components in place. They ensure proper closure and security.
• Plumbing hardware: Plumbing hardware includes items like pipes, fittings, valves, faucets, and drains. They are used for water supply, drainage, and plumbing installations in residential, commercial, and industrial buildings.
• Cabinet hardware: Cabinet hardware includes items like hinges, drawer slides, handles, and knobs specifically designed for cabinets and storage units.

And some common types of Industrial iron tools: Welding machines, plate cutters, CNC cutting machines, turning machines, drilling machines.