Shank Hooks-Crane Block & Hoist Replacement Hooks

Shank hooks serve as a top interface in heavy lifting, connecting slings, chains, and wire rope assemblies to the load. Holloway Houston Inc. (HHI) provides the complete Crosby® shank hook line. With Working Load Limits (WLL) spanning 0.5 tons to 300 tons, we provide the hardware necessary from light plant maintenance to massive offshore lifts.

Shank Hooks for Lifting and Rigging

A shank hook is a forged steel hook characterized by a straight "stem" (shank) designed for permanent or semi-permanent integration into chain links, wire rope fittings, or below-the-hook lifting devices. The shank provides the primary mechanical connection to the rigging hardware above, while the hook bowl receives the load.

All Crosby shank hooks at Holloway are manufactured in accordance with ASME B30.10 (Hooks), the governing standard for design, marking, and inspection. Shank hooks plays crucial role in rigging systems across construction, offshore, mining, and petrochemical industries. Our inventory covers a vast range of configurations, including chain nest hooks for sling termination, non-sparking bronze for hazardous zones, and long-shank Golden Gate® hooks for specialized spreader beam applications.

Types of Shank Hooks

Shank hooks are designed for permanent or semi-permanent lifting assemblies where the hook is welded, threaded, or integrated into lifting blocks, spreader beams, crane blocks, or specialized lifting fixtures. Unlike clevis or eye hooks, shank hooks feature a straight shank connection that provides a rigid and stable attachment point for repetitive lifting operations.

These hooks are widely used in industrial lifting systems, crane blocks, subsea rigging, and custom lifting frames where a fixed connection is required for reliability and consistent load control.

Shank Hook Types – WLL Range & Applications

Crosby S-1318A Grade 100 SHUR-LOC® Alloy Shank Hook

The Crosby S-1318A SHUR-LOC® Alloy Shank Hook is manufactured from forged, quenched, and tempered alloy steel and is designed for use with Grade 100 and Grade 80 chain systems. The recessed trigger and positive-locking SHUR-LOC® latch automatically secure the hook when loaded, helping prevent accidental release and improving lifting safety in demanding rigging environments.

WLL Range: Approximately 2.6 tons to 6.8 tons depending on chain size.
Applications: Chain sling assemblies, industrial lifting systems, crane rigging setups, heavy material handling operations, and fabrication lifting systems.

Crosby L-320R Swivel Alloy Shank Hook

The Crosby L-320R Swivel Alloy Shank Hook is designed to rotate under load, allowing the hook to align naturally with the load direction. The integrated swivel helps reduce twisting in the rigging system and improves load control during lifting operations.

WLL Range: Approximately 0.75 tons to 15 tons depending on hook size.
Applications: Crane blocks, hoist assemblies, lifting beams, general industrial rigging systems, and material handling applications requiring hook rotation.

Crosby L-562A ROV Eye Alloy Shank Hook

The Crosby L-562A ROV Eye Alloy Shank Hook is specifically engineered for offshore and subsea lifting operations where remote engagement is required. The hook incorporates design features that allow Remotely Operated Vehicles (ROVs) to easily connect and disconnect rigging components during underwater lifting tasks.

WLL Range: 3.2 tons to 175 tons depending on hook size.
Applications: Offshore lifting operations, subsea construction, marine recovery projects, deep-water rigging systems, and ROV-assisted lifting operations.

YOKE 8-931 Grade 100 Alloy Shank Hook

The YOKE 8-931 Grade 100 Alloy Shank Hook is manufactured from high-strength alloy steel and designed for heavy-duty lifting assemblies requiring a rigid shank connection. Its robust construction ensures reliable performance in demanding industrial and offshore lifting environments.

WLL Range: Approximately 16 tons to 22 tons depending on the model.
Applications: Offshore lifting systems, subsea rigging operations, marine construction projects, and heavy industrial lifting applications.

Crosby P-6740 ROV Subsea Shank Hook

The Crosby P-6740 ROV Subsea Shank Hook is designed for ROV-operated subsea lifting applications. These hooks feature specialized engagement points that allow ROV tools to securely attach and release lifting equipment in underwater environments.

WLL Range: Typically 10 tons to 120+ tons depending on configuration.
Applications: Offshore subsea lifting, deep-water construction, marine salvage operations, underwater rigging systems, and subsea installation work.

CSO ROV Subsea Shank Hooks

CSO ROV Subsea Shank Hooks are designed specifically for ROV-controlled lifting operations in offshore environments. Their design allows safe and efficient connection and disconnection of lifting equipment during subsea operations.

WLL Range: Varies by model depending on subsea lifting requirements.
Applications: Offshore energy projects, subsea construction, underwater installation operations, and ROV-assisted rigging systems.

Shank Hooks by Capacity

Capacity Category	WLL Range	Typical Models
Light Duty	1.5 – 3.8 Tons	Crosby O-318 Chain Nest
Medium Duty	3 – 22 Tons	Crosby S-1318A, YOKE 8-931
Heavy Duty	30 – 200+ Tons	Crosby S-319A Alloy Hooks
Offshore / Subsea	3.2 – 175 Tons	Crosby L-562A ROV Hooks

Available Materials & Construction

Alloy Steel

Quenched and tempered alloy steel provides superior strength and fatigue resistance for demanding lifting applications.

Grade 100 Alloy Steel

Used in high-performance lifting hardware where high load capacity with reduced weight is required.

Special Coatings

Crosby industrial paint finish
High-visibility coatings for subsea operations

Available Materials & Latches

Materials: Alloy Steel (Quenched & Tempered), Carbon Steel (General Purpose), Bronze (Non-Sparking).
Latch Types: SHUR-LOC® (Positive-locking), Pin-Lok/Rollox/Tip-Lok (Specialized), and Open (Latchless).
Finishes: Standard Self-Colored, Crosby Painted, or Natural Bronze.

Brands We carry

Crosby

Crosby is one of the most recognized manufacturers of lifting and rigging hardware in the world. Their hooks are engineered with advanced safety features such as QUIC-CHECK inspection indicators, forged alloy steel construction, and precision load ratings, making them a preferred choice for heavy industrial and offshore lifting applications.

YOKE Industrial Corp. is a global manufacturer specializing in Grade 80 and Grade 100 lifting hardware, including hooks, shackles, and lifting points. Known for high-strength alloy steel construction and innovative designs, YOKE products are widely used in offshore, subsea, and heavy industrial rigging operations.

What is a Shank Hook and How Does it Work?

A shank hook is a forged metal hook designed with a straight cylindrical stem called the shank. Unlike eye hooks that use a closed loop for attachment through shackles or bolts, a shank hook is installed directly into a hosting component such as a crane block or lifting device.

The Mechanical Interface

The shank is typically machined, threaded, or secured with a nut and cotter pin inside lifting equipment. This creates a strong and streamlined connection that eliminates intermediate connectors like shackles, reducing overall rigging weight and headroom.

Forged Integrity vs. Casting

Holloway Houston supplies forged shank hooks where aligned steel grain improves strength, fatigue resistance, and safer deformation under overload conditions.

How to Select the Right Shank Hook

Choosing the correct hook requires matching the hardware to the load dynamics and the operating environment:

Working Load Limit (WLL): Always select a hook rated for a capacity that exceeds your planned load. WLL is clearly forged into the body of every Crosby unit.
Shank Compatibility: Verify that the shank diameter and length are compatible with your connecting hardware, such as a crane block bore or a swaging socket.
Environmental Factors: Use Bronze for explosive atmospheres and Alloy Steel for heavy construction or offshore marine environments where strength and durability are paramount.
Latch Requirements: Determine if a safety latch is mandated by your site-specific lift plan or OSHA standards. SHUR-LOC® hooks are recommended for maximum safety in dynamic lifts.

Shank Hook Safety and Awareness

Shank hooks are load-bearing components governed by ASME B30.10 and OSHA 29 CFR 1910.184. Adhere to the following safety protocols:

Pre-Use Inspection: Inspect hooks for cracks, nicks, gouges, or corrosion. Per ASME standards, any hook showing wear exceeding 10% of the original section dimension must be removed from service.
Throat Opening & Twist: Take any hook out of service if the throat opening has increased beyond manufacturer recommendations or if the hook body shows a twist exceeding 10 degrees from the plane of the unbent hook.
No Field Modifications: Never weld, heat-treat, or mechanically alter a shank hook. These modifications void the manufacturer rating and create hidden stress points that can lead to catastrophic failure.

Safety Note: Shank hooks are load-bearing rigging components. Proper selection, inspection, and use must be consistent with ASME B30.10 and applicable OSHA standards. Final hardware selection must always align with manufacturer load charts and site-specific lift plans.

Frequently Asked Questions

Q: What is the primary difference between a shank hook and a clevis hook?

A: A shank hook uses a straight stem for permanent mounting inside a device (like a crane block), whereas a [Clevis Hook] uses a U-shaped attachment with a pin for a quick, removable connection to a chain.

Q: Can I weld a shank hook directly to my spreader beam?

A: No. Standard forged hooks are heat-treated. Welding introduces uncontrolled heat that can create "brittle zones" in the steel, leading to failure. Only hooks specifically designed for welding (like Weld-On Hooks) should be used, and only by certified welders.

Q: What does "Proof Tested" mean?

A: Every Crosby shank hook is proof-tested by the manufacturer to 2x the Working Load Limit. HHI provides these material certifications with every shipment to ensure your project meets ISO and OSHA traceability requirements.

Q: Are latches required on all shank hooks?

A: OSHA generally requires latches on all hooks used in construction (29 CFR 1926). However, in certain general industrial applications, latches may be omitted if the "Qualified Person" determines that using a latch creates a greater hazard (such as finger-pinching in a high-cycle environment).

Q: How do I know if my hook is Alloy or Carbon steel?

A: Crosby identifies materials through forged markings. Typically, an "A" (e.g., S-319A) indicates Alloy, while a "C" indicates Carbon. Alloy hooks will have a much higher WLL for their physical size compared to Carbon.

Q: What is a "Chain Nest" and why do I need one?

A: A chain nest is a specific geometry in the hook bowl that perfectly fits the radius of a chain link. This prevents the link from "side-loading" and ensures the tension is pulled straight through the centerline of the hook.

Complete Your Rigging System

Pair your Crosby shank hooks with our other industry-leading hardware:

Chain Slings- Full assemblies featuring pre-installed shank hooks.
Rigging Shackles- The industry standard for connecting hooks to master links.
Wire Rope Slings- High-capacity slings for heavy construction.
Master Links- Essential for multi-leg sling configurations.

Still have questions? Our rigging specialists can help you calculate capacity requirements or source a specialized long-shank configuration. Contact us at 1-888-496-4700 or visit our Houston headquarters.