National Marker N220889 Steel Screw Hook

Product Description

The NATIONAL MARKER N220889 is a steel screw hook designed for medium-weight to heavy-weight hanging applications. Measuring 3/8 inch in diameter by 4-7/8 inches in length, it features lag screw threads for secure installation into wood framing, joists, or structural members. This hardware is suited for suspending planters, signs, clotheslines, and similar loads in residential and light commercial settings. The all-steel construction provides the rigidity needed for reliable, long-term service in overhead or wall-mounted configurations.

This screw hook is appropriate for general-purpose fastening tasks where a threaded lag-style hook is required. Typical applications include hanging items from deck framing, garage ceiling joists, fence posts, or interior wood structures. It is commonly installed by general contractors, maintenance technicians, and experienced DIYers working on shelving, utility, or outdoor hardware projects.

Key Features

• Lag screw threads for direct drive into wood without a separate fastener
• 3/8 inch shank diameter for medium to heavy hanging loads
• 4-7/8 inch overall length provides substantial thread engagement depth
• All-steel construction for rigidity and durability
• Sold individually; minimum order quantity of 10 units

Compatibility

Designed as a direct-installation lag-thread screw hook for use in wood substrates such as joists, studs, rafters, and dimensional lumber in residential and light commercial construction.

Installation Notes

A licensed carpenter, general contractor, or experienced maintenance technician typically installs this hardware. Pre-drill a pilot hole sized appropriately for the lag thread diameter to prevent wood splitting and ease installation. Ensure the receiving wood member is structurally sound and of sufficient thickness to provide full thread engagement. Do not exceed the load rating of the mounting substrate or the hook itself.

Technical Specifications

• Shank Diameter: 3/8 inches
• Overall Length: 4-7/8 inches
• Material: Steel
• Weight: 0.197 pounds
• Thread Type: Lag screw
• UPC: 00038613123021
• Unit of Measure: Each
• Minimum Order Quantity: 10

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N220889