Chain Hooks

Chain Hooks

Holloway Houston stocks a premium selection of Crosby Chain Hooks, including the advanced S-315A Integrated Latch Hook and the legendary Golden Gate® (Bullard) style hooks. Unlike standard "foundry" or "slip" hooks that rely on gravity or tension to stay engaged, the hooks in this category feature robust, positive-locking mechanisms designed to prevent accidental disengagement during dynamic lifts.

The Evolution of Hook Safety

Standard rigging hooks often use a flimsy spring-loaded latch (flapper latch) to retain the load. While compliant for many lifts, these latches can be easily damaged or fouled. The products in this category represent the next level of safety :

• Integrated Latches : The latch is part of the hook's geometry, protected from impact and side-loading.
• Positive Locking Gates : The gate must be manually closed and locked, ensuring the hook cannot open even if the load is set down and the line goes slack.

Product Spotlight: Crosby S-315A

The Modern Standard for Chain Slings The Crosby S-315A Eye Chain Hook is designed to replace standard sling hooks where increased safety is required.

• Integrated Latch : The heavy-duty latch seats into the hook tip, creating a smooth, snag-free profile. It is vastly more durable than cheap spring latches.
• Wide Throat : When the latch is open, the S-315A offers a generous throat opening to easily capture wire rope slings, master links, or lifting points.
• Eye Connection : Designed with an "Eye" top, these hooks are connected to the chain leg using a Connecting Link (Hammerlok). This allows for full articulation and easy replacement if the hook is damaged.

Product Spotlight: Crosby Golden Gate® (BL-O)

The "Bullard" Style for Critical Lifts Often referred to as Golden Gate Hooks, the Crosby BL-O Chain Nest Hooks utilize a unique gate design that has been a staple in safety-critical industries for decades.

• Positive Locking Gate : The gate (pin) manually rotates to close the throat and locks in place. It effectively turns the hook into a solid continuous ring.
• Roll-Out Protection : Because the gate is a solid structural element, it prevents "roll-out"; a dangerous phenomenon where a bottom-heavy load rotates and forces the latch open.
• Chain Nest Connection : These hooks feature a specialized "Chain Nest" connection point that allows them to be inextricably linked to the chain, minimizing the risk of tampering or incorrect assembly.

Applications & Use Cases

• Overhead Lifting : Both the S-315A and BL-O series meet ASME B30.10 requirements for overhead lifting.
• Construction & Steel Erection : The Golden Gate hook is preferred in environments where hooks are dragged or subjected to rough handling that would shear off a standard safety latch.
• Offshore Rigging : The positive locking nature of these hooks makes them ideal for personnel transfer baskets (Billy Pughs) and dynamic lifts on supply vessels.

Technical Specifications

• Material : Forged Alloy Steel, Quenched and Tempered for maximum ductility.
• Design Factor : 4:1 (Standard for overhead lifting).
• Fatigue Rated : Tested to 20,000 cycles at 1.5 times the WLL.
• Traceability : Fully traceable with Product Identification Code (PIC) and material grade markings.

Eye Hook vs. Clevis Hook

The hooks in this specific category are Eye Hooks (or Chain Nest).

• Clevis Hooks attach directly to the chain with a pin.
• Eye Hooks require an intermediate Connecting Link to attach to the chain. Why use an Eye Hook? The intermediate link provides an extra degree of articulation, allowing the hook to rotate more freely when positioning the load.

Complete Your Rigging Assembly

These hooks are the termination points for high-performance chain slings. To build a complete assembly, you will need Grade 80 or Grade 100 Chain and the appropriate Connecting Links to attach these hooks to the chain legs.

Browse our inventory below to select the hook style and Working Load Limit that fits your lift plan.