W400 4" I-Lag™ Eye Lag Screw for Wood

The W400 eye lag screw provides a direct attachment point when ceiling wire or jack chain must be secured to structural wood. Its 4-inch profile, Type A wood threads, and formed eyelet let a crew create controlled drop points for suspended ceiling work, support routing, and related overhead layouts without adding separate eye hardware.

We stock the W400 eye lag screw in 100-piece boxes and in master-carton quantities of 10 boxes of 100 pieces. The fastener uses a clean electroplated zinc finish that is free of oily residue, helping keep hands, pole-tool adapters, and finished work areas cleaner during installation.

Establishing Stable Wiring Paths with the W400 Fastener Series

The W400 eye lag screw is designed for indoor, tension-only applications. A 1/4-inch nominal Type A thread profile provides the wood-biting section, while the eyelet head provides a defined point for threading ceiling wire or jack chain. This layout supports orderly spacing where crews are setting an overhead route rather than relying on improvised wire wraps or loose attachment points. For planned routing across a larger footprint, it can be coordinated with cable management equipment and compatible eye lag screws selected for the actual framing condition.

The electroplated zinc coating gives the hardware a uniform handling surface while remaining intended for dry interior use. Product documentation identifies ICC-ES evaluation, eco-friendly RoHS compliance, American Recovery Act compliance, and production in an ISO 9001-approved factory. These references can assist with submittal review and purchasing requirements on commercial projects, but they do not replace approved drawings, local code requirements, or the structural direction of the project engineer. Hook and Hanger supplies the W400 eye lag screw for the stated application, with final placement determined by the responsible installer.

Sizing and Technical Specifications for the W400 Eye Lag Screw Series

Use the following specifications when reviewing the fastener against the overhead layout:

• 4-Inch Overall Profile: The W400 eye lag screw measures exactly 4 inches overall to establish structural engagement in suitable wood framing.

• Extended Thread Pitch: It has a minimum of 1-1/2 inches of aggressive thread to provide a continuous gripping surface in wood.

• 1/4-Inch Nominal Gauge: The fastener uses a 1/4-inch nominal Type A thread profile for standard overhead wood fastening tasks.

• Clean Electroplated Zinc Finish: An oily-residue-free electroplated zinc barrier is specified for dry, indoor applications only.

• Pre-Tied Capability: The open eyelet head allows crews to pre-tie ceiling wire or jack chain before placing the fastener.

• Lagmaster® Pole Tool Integration: Matching Lagmaster® pole tools allows installation from the floor where the work sequence and site conditions permit.

• Tension-Driven Engineering: The W400 eye lag screw is designed for tension hardware applications only.

Standard Installation Procedures and Structural Integration Workflows

Before installation, verify that the selected location is sound wood framing and that the fastening point matches the approved suspension plan. Lay out the drop points, check overhead conflicts, and determine whether the wire, chain, or supporting assembly should be pre-tied before placement. Crews can then drive the W400 eye lag screw into the timber joist or framing member using a compatible pole tool or other approved installation method. This approach lets the crew establish consistent drop locations while reducing repeated climbing for standard overhead work.

Once seated, the integrated eyelet gives a clear route for ceiling wire or jack chain. In cable-support work, the eyelet can be used as part of a coordinated pathway for low-voltage conductors, fiber-optic runs, or communications cable where the project design calls for those systems. Follow the cable manufacturer’s bend-radius, spacing, and support requirements so the wire is not pinched, overloaded, or allowed to sag. For adjacent framing conditions, installers may use purlin clips, j-hooks, angle clips, beam clamps, or threaded rod fasteners where those products are specified; they are structural alternatives or complementary components, not replacements for a wood-mounted eye fastener. Plan all drilling, pilot-hole work, and verification under the correct overhead drilling and anchoring procedure.

Advantages of Optimizing Overhead Wire Arrays with W400 Eye Lag Screw

The W400 eye lag screw supports a repeatable fastening method when crews need defined wood attachment points for overhead wire or jack-chain layouts.

• Floor-based installation with compatible pole tools can reduce ladder or scaffold use and help crews move through repetitive fastening work more quickly.

• The oily-residue-free surface treatment supports clean handling and limits residue transfer to tools, gloves, and nearby finishes.

• Documented ARRA and RoHS references can support federal, state, and environmental procurement review when these standards apply.

• Box quantities of 100 and master-carton quantities of 1,000 help purchasing teams match planned layout counts and reduce mid-project resupply issues.

Get All Your Installation Supplies under One Roof with Hook and Hanger

We offer online ordering for contractors and purchasing teams who need to match screw size, pack quantity, and application details before release.

Hook and Hanger can help review product information, technical documentation, shipping arrangements, and applicable return terms so the W400 eye lag screw can be dispatched to suit the project schedule. Where a ground-based sequence is appropriate, combine the order with compatible extension poles and related installation hardware.

Secure Your Commercial Hardware Inventory Directly From Hook and Hanger

Hook and Hanger supplies straightforward, dependable hardware for real construction demands. Selecting the specified size and durable configuration of this screw supports an efficient installation while keeping your order with a distributor focused on practical jobsite solutions.

To purchase your W400 Eye Lag Screw inventory or to explore our complete selection of Angle Clips, Beam Clamps, and Threaded Rod Fasteners, visit hookandhanger.com today. For technical support, bulk pricing tiers, or submittal documentation, call our specialist team at 805-583-9920 or email info@hookandhanger.com.