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  • U.S. type Malleable Wire Rope Clip
  • U.S. type Malleable Wire Rope Clip
  • U.S. type Malleable Wire Rope Clip
  • U.S. type Malleable Wire Rope Clip

U.S. type Malleable Wire Rope Clip

No.603002

The H-Lift U.S. Type Malleable Wire Rope Clip is designed for light-duty, non-critical applications requiring secure wire rope terminations. Manufactured from malleable cast iron with electro-galvanized finish per Federal Specification FF-C-450 D Type 1 Class 2, these clips provide cost-effective solutions for fencing, guard rails, and hand rails in sizes from 1/16" to 1-1/8" wire rope diameter. Not suitable for overhead lifting applications.

  • Federal Spec FF-C-450 D, Type 1, Class 2 compliant
  • Size range: 1/16" to 1-1/8" wire rope diameter
  • Malleable cast iron construction with electro-galvanized finish
  • Cost-effective for light-duty applications
  • Ideal for fencing, guard rails, and hand rails (not for overhead lifting)
  • Technical Data

  • Safety Guide

H-Lift US Type Malleable Wire Rope Clips offer a cost-effective solution for non-critical rigging applications. Manufactured from malleable iron with an electro-galvanized finish, these clips are designed for static loads such as fencing, handrails, and trellis systems.

US Type Malleable Wire Rope Clip Light Duty
💰 Cost-Effective Design

Made from economical Malleable Iron (heat-treated cast iron), perfect for projects where the high strength of forged steel is not required.

📜 Standard Compliance

Meets the dimensional standards of Federal Specification FF-C-450 Type 1, Class 2, ensuring compatibility with standard wire ropes.

🛡️ Corrosion Resistance

Electro-Galvanized finish provides a protective layer against rust and corrosion for indoor and mild outdoor environments.

📏 Wide Size Range

Available in a comprehensive range of US imperial sizes from 1/16" to 1-1/8" to suit various light-duty cable diameters.

Q: What is the difference between Malleable and Drop Forged clips?
A: Malleable clips are cast iron and suitable only for light, static loads (e.g., fencing). Drop Forged clips are made from hammered steel, offering a much stronger grain structure required for heavy loads and overhead lifting.

Q: Can I use this clip for a winch line?
A: No. Winch lines involve dynamic loads. You must use a Drop Forged Wire Rope Clip for winch lines to ensure safety.

Technical Specifications (Inch)

Item No. Size Dimensions (inch) Weight Product Code
A B C D E F G kg
WRCM02 1/16" 0.38 0.45 0.45 0.15 0.45 0.69 0.65 0.008 603002002
WRCM03 1/8" 0.50 0.56 0.50 0.18 0.50 0.94 0.81 0.016 603002003
WRCM05 3/16" 0.56 0.63 0.56 0.25 0.56 1.06 0.94 0.028 603002005
WRCM06 1/4" 0.75 0.75 0.75 0.31 0.75 1.31 1.19 0.05 603002006
WRCM08 5/16" 0.75 0.75 0.84 0.31 0.84 1.44 1.31 0.058 603002008
WRCM10 3/8" 0.88 0.88 1.00 0.38 1.00 1.63 1.63 0.098 603002010
WRCM11 7/16" 1.06 1.06 1.19 0.44 1.19 1.88 2.00 0.159 603002011
WRCM13 1/2" 1.06 1.06 1.19 0.44 1.19 1.88 2.00 0.159 603002013
WRCM14 9/16" 1.25 1.28 1.38 0.50 1.38 2.09 2.31 0.21 603002014
WRCM16 5/8" 1.25 1.28 1.38 0.50 1.38 2.09 2.31 0.223 603002016
WRCM19 3/4" 1.31 1.56 1.56 0.56 1.56 2.38 2.56 0.343 603002019
WRCM22 7/8" 1.63 1.81 1.81 0.63 1.81 2.88 3.06 0.484 603002022
WRCM26 1" 1.88 2.00 2.00 0.63 2.00 3.00 3.44 0.64 603002026
WRCM30 1-1/8" 2.00 2.06 2.75 0.75 2.75 3.38 4.00 0.95 603002030
⚠️ CRITICAL SAFETY WARNING

DO NOT USE FOR OVERHEAD LIFTING. Malleable wire rope clips are designed for static loads only. For lifting applications, towing, or dynamic loads, you must use Drop Forged wire rope clips (FF-C-450 Type 1 Class 1) to ensure safety and compliance.

A Complete Guide to Wire Rope Clips

Selection, Installation, Safety, and Maintenance

What Are Wire Rope Clips?

Wire rope clips (also called wire rope clamps or cable clamps) are mechanical fittings used to form eyes (loops) or temporary terminations at the end of wire ropes. They typically consist of a U‑bolt, a saddle, and two nuts that clamp the live and dead ends of the rope together.

When selected and installed correctly, wire rope clips can provide a secure and adjustable termination that reaches a high percentage of the rope’s original breaking strength. They are widely used in construction, lifting, marine, transportation, and general industrial applications.

Main Types and Models

1. By Structure / Design

U‑bolt Wire Rope Clips

The most common design, consisting of a U‑shaped bolt, a saddle, and two nuts.

  • Forged U‑bolt clips: High strength, for critical and lifting-related applications.
  • Malleable U‑bolt clips: Only for non‑critical, light‑duty uses such as guard rails or fencing.

Double Saddle / Fist Grip Clips

These have two saddles and two through‑bolts, distributing the clamping force more evenly around the rope.

  • They are often used in heavy‑duty or high‑load applications where reduced rope distortion and extra security are important.

2. By Material

  • Galvanized steel clips: General‑purpose choice with good corrosion resistance for outdoor and industrial environments.
  • Stainless steel clips (e.g. 304, 316): Used in marine, offshore, chemical, or other highly corrosive environments, offering superior corrosion resistance and appearance.
  • Malleable iron clips (zinc plated or painted): Used in indoor or dry environments for non‑critical applications, where loads are low and failure would not cause injury.

3. Typical Model / Size Range

Most manufacturers mark clips by wire rope diameter. Below is a typical application range guide:

Clip Size (inch) Typical Rope Diameter (mm) Typical Application Range
1/8" 3–4 mm Light cables, small lanyards, small barriers
3/16" 5 mm Small guy wires, light suspensions
1/4" 6–7 mm General utility cables, small hoisting lines
3/8" 10 mm Construction and industrial rigging
1/2" 13 mm Heavier rigging, structural guys
5/8"–1" 16–26 mm Heavy construction, cranes, tower guys

Exact sizing and designation depend on the manufacturer’s catalog and local standards.

Typical Uses and Applications

Wire rope clips are used wherever a loop or temporary termination is needed on wire rope:

Construction and Lifting

  • Forming eyes at the end of slings (where codes permit).
  • Temporary guy lines for scaffolding, masts, and formwork bracing.

Marine and Offshore

  • Mooring lines and fender lines.
  • Lifeline systems and handrails.

Industrial and Utilities

  • Hoisting and winch lines.
  • Safety barriers, cable tray supports, and utility pole guys.

Transportation and Logistics

  • Securing loads with wire rope tie‑downs.
  • Winch cables and recovery lines (non‑personnel lifting).
Note: In many jurisdictions, clip‑assembled slings are restricted or prohibited for overhead lifting; forged terminations (sockets, swaged fittings, etc.) are preferred for critical lifting.

How Wire Rope Clips Work (Basic Principle)

Wire rope clips work by clamping the live end and the dead end of the rope together over a sufficient length, using multiple clips with specified spacing and torque. The friction and deformation under the saddle prevent the rope from slipping.

A Key Industry Rule for U‑Bolt Clips:

“Never saddle a dead horse.”

This means the saddle must always be on the live (load‑bearing) end, and the U‑bolt on the dead end. Otherwise, the rope can be crushed and slip under load.

Installation: Step‑by‑Step Guide

Pre‑installation Checklist

Before installing wire rope clips, always:

  • Check that the clip size matches the rope diameter (e.g. 3/8" clip on 3/8" rope).
  • Inspect the rope for broken wires, kinks, severe corrosion, or deformation.
  • Use a thimble in the loop when forming a permanent or semi‑permanent eye.
  • Confirm the minimum number of clips, turnback length, and torque from the manufacturer’s table.

Recommended Minimum Number of Clips & Turnback

(Example values based on a common forged U‑bolt clip table)

Rope Dia. (in) Min. No. of Clips Approx. Turnback Length (in) Torque (ft‑lbs)
1/8" 2 3.25–3.5 4.5
3/16" 2 3.75–4.0 7.5
1/4" 2 4.75 15
5/16" 2 5.25 30
3/8" 2 6.5 45
1/2" 3 11.5 65
5/8" 3 12–16 95
3/4" 3–4 18–19 130–225
1" 5 26–37 225

Always refer to the specific manufacturer’s data sheet, as exact numbers vary by brand and standard.

Installation Steps for U‑Bolt Wire Rope Clips

  1. Form the loop and position the thimble
    Turn back the specified length of rope and place a thimble in the eye if required.
  2. Install the first clip
    Place the first clip one saddle width from the end of the thimble or loop. Ensure saddle is on the live end, U‑bolt on the dead end. Tighten nuts evenly to the recommended torque.
  3. Install the second clip
    Place it as close to the thimble as possible, again with the saddle on the live end. Tighten the nuts to the specified torque.
  4. Install remaining clips
    Space the additional clips equally between the first two. Typical spacing is about 6–7 rope diameters between clips.
  5. Apply initial load and re‑tighten
    Load the assembly to the expected working load (or slightly higher) to seat the rope. Then re‑check and re‑torque all nuts to the specified values.
  6. Regular inspection
    Periodically inspect the clips during service and re‑tighten if any loosening is detected.

Common Mistakes to Avoid

Several frequent mistakes significantly reduce the efficiency and safety of wire rope clips:

  • Using the wrong type of clip: Using malleable clips instead of forged clips for critical or lifting applications.
  • Not using enough clips: Fewer clips than recommended reduce holding power and can lead to slippage.
  • Incorrect spacing: Clips placed too close or too far apart do not grip the rope properly.
  • Wrong orientation: Placing the saddle on the dead end crushes the live rope and greatly reduces strength.
  • Not torquing to specification: Under‑torque leads to rope slips; over‑torque damages threads or the clip body.
  • No re‑torque after loading: Rope strands settle after initial loading, so nuts must be re‑tightened to maintain grip.

Safety Guidelines, Precautions & Selection

General Safety Rules

  • Always match clip size to rope size.
  • Use forged clips for any application where failure could cause injury or major damage.
  • Do not use clips on plastic‑coated rope unless the coating is stripped under the clips.
  • Do not use wire rope clips as a permanent solution where swaged or socketed terminations are specified.
  • For personnel lifting, elevator, and man‑riding applications, follow specific standards (such as ANSI A17.1) which often prohibit U‑bolt clips.

Inspection and Maintenance

  • Inspect clips before each use for cracks, deformation, corrosion, or worn threads.
  • Replace any clip that shows damage or has been overloaded.
  • Keep records of installation date, inspection, and re‑torque for critical applications.

How to Choose the Right Clip

  • Type: U‑bolt vs. double saddle/fist grip.
  • Material: Galvanized vs. stainless steel vs. malleable iron (based on environment).
  • Rope size: Clip size must match rope diameter exactly.
  • Load level: Use forged clips for critical/high‑load uses.
  • Standards: Refer to ASME B30.26, local safety rules, and manufacturer instructions.

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