National Marker N221002 Steel Screw Hook 3/8 X 10 in

Product Description

The NATIONAL MARKER N221002 is a heavy-duty steel screw hook designed for secure overhead and wall-mounted hanging applications. Featuring lag screw threads, it bites firmly into wood substrates and holds medium to heavy loads without backing out under sustained tension. The 3/8-inch shank diameter and 10-inch overall length give it the reach and holding strength needed for demanding installs. Contractors, maintenance technicians, and facilities personnel use this type of hook when a light-duty fastener is not adequate for the job. The all-steel construction resists deformation under load and holds up in utility and light commercial environments.

This screw hook is suited for hanging planters, signs, clotheslines, and other suspended loads in residential, commercial, and light industrial settings. The lag thread profile allows direct installation into wood framing, joists, or blocking without a separate anchor in most applications. It is sold individually, with a minimum order quantity of 10 units, making it practical for contractors stocking a service vehicle or completing multi-point hanging installations in a single job.

Key Features

• Lag screw thread profile for direct drive into wood substrates
• 3/8-inch shank diameter for medium to heavy load capacity
• 10-inch length provides extended reach through thick framing or blocking
• All-steel construction resists deformation under sustained load
• Suitable for hanging planters, signs, clotheslines, and similar applications

Compatibility

Designed for direct installation into wood framing, joists, or structural blocking where a lag-thread screw hook is the specified fastener type.

Installation Notes

Installation is performed by threading the hook directly into a pilot-drilled hole in solid wood or engineered lumber. Always drill a pilot hole sized to the shank diameter to prevent splitting and ensure full thread engagement. Verify the substrate and fastener combination can support the intended load before hanging any item. Follow applicable building codes and manufacturer load ratings when using screw hooks in overhead or safety-critical applications.

Technical Specifications

• Shank Diameter: 3/8 inches
• Overall Length: 10 inches
• Material: Steel
• Thread Type: Lag Screw
• Weight: 0.346 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10
• UPC: 00038613172807

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N221002