Wire Rope Bulldog Clamp Sizing & Installation Guide
Selecting the correct wire rope bulldog clamp size is important for proper installation and secure rope termination. Refer to the following sizing guide for the recommended number of clips, rope turn-back length, tightening torque and spacing.
| Rope Size (mm) / Imperial | Minimum Number of Clips | Rope Turn-Back Length (mm) | Recommended Torque (Nm) | Spacing Between Clips |
|---|---|---|---|---|
| 3–4 mm (1/8 in) | 2 | 85 | 6.1 | 6 × Rope Diameter |
| 5 mm (3/16 in) | 2 | 95 | 10.2 | 6 × Rope Diameter |
| 6–7 mm (1/4 in) | 2 | 120 | 20.3 | 6 × Rope Diameter |
| 8 mm (5/16 in) | 2 | 133 | 40.7 | 6 × Rope Diameter |
| 9–10 mm (3/8 in) | 2 | 165 | 61.0 | 6 × Rope Diameter |
| 11–12 mm (7/16 in) | 2 | 178 | 88 | 6 × Rope Diameter |
| 13 mm (1/2 in) | 3 | 292 | 88 | 6 × Rope Diameter |
| 14–15 mm (9/16 in) | 3 | 305 | 129 | 6 × Rope Diameter |
| 16 mm (5/8 in) | 3 | 305 | 129 | 6 × Rope Diameter |
| 18–20 mm (3/4 in) | 4 | 460 | 176 | 6 × Rope Diameter |
| 22 mm (7/8 in) | 4 | 480 | 305 | 6 × Rope Diameter |
| 24–25 mm (1 in) | 5 | 660 | 305 | 6 × Rope Diameter |
| 28–30 mm (1-1/8 in) | 6 | 860 | 305 | 6 × Rope Diameter |
| 33–34 mm (1-1/4 in) | 7 | 1120 | 488 | 6 × Rope Diameter |
| 36 mm (1-3/8 in) | 7 | 1120 | 488 | 6 × Rope Diameter |
| 38–40 mm (1-1/2 in) | 8 | 1370 | 488 | 6 × Rope Diameter |
Maintain a spacing of approximately 6 times the nominal rope diameter between clips, subject to the applicable product specification and installation instructions.
The table provides reference sizing and installation values. Actual clip quantity, turn-back length and tightening torque must be verified against the specific clamp manufacturer’s
instructions and applicable standard. Do not use these values as certified lifting or working-load specifications without verification.
Bulldog Grip Size Chart: How to Choose the Correct Size
Select a wire rope grip according to the rope’s nominal diameter, construction and intended use. The clip’s saddle, U-bolt and thread dimensions must match the selected model. Do not use a generic chart
alone to determine clip quantity, spacing, tightening torque or termination capacity.
Wire Rope Bulldog Clamp 25mm Heavy Duty
For applications involving 25 mm wire rope, request a compatible heavy-duty clip and verify its dimensions and approved working requirements with the manufacturer. A clamp’s suitability depends
on its design and rated application, not diameter alone.
Wire Rope Gripper and Bulldog Grip Uses
Wire rope clips can secure compatible wire rope sections in certain loop and end-termination arrangements. Choose the correct grip for the rope type and follow the manufacturer’s installation instructions.
Never assume that a general-purpose clip is suitable for lifting.
Applications of Wire Rope Bulldog Clamps
- Forming wire rope loops and end terminations
- Securing compatible wire rope assemblies
- General industrial and engineering applications
- Rope installations using an appropriately selected clip system
- Maintenance and replacement of compatible wire rope hardware
Suitability depends on the clamp design, rope construction, loading conditions and applicable safety requirements. Do not assume that a general-purpose clip is suitable for overhead lifting or other
safety-critical applications.
How to Select the Correct Bulldog Grip Size
1. Measure the Wire Rope Diameter
Measure the nominal diameter of the wire rope and identify its construction. Select a compatible clip designed for that rope size.
2. Check the Clip Design
Confirm the saddle profile, U-bolt dimensions, thread size, material and finish against the product drawing and intended application.
3. Follow the Manufacturer’s Installation Instructions
Use the specified clip quantity, spacing, rope turnback and tightening torque for the exact model. Where a termination is used for lifting, follow the applicable approved design and inspection requirements.
Installation and Safety Guidelines
- Use a clip specifically sized and approved for the wire rope.
- Install the clip in the orientation specified by its manufacturer.
- Tighten fasteners to the specified torque using the correct method.
- Inspect the assembly and retighten only as instructed by the manufacturer.
- Do not use damaged, cracked, deformed or heavily corroded components.
- Never determine a safe working load from clip size alone.
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Frequently Asked Questions About Wire Rope Bulldog Clamps
What is a Wire Rope Bulldog Clamp?
A Wire Rope Bulldog Clamp secures compatible wire rope sections when forming loops and end terminations.
What sizes do wire rope bulldog clamps come in?
Available sizes vary by product design and manufacturer. Confirm the compatible rope diameter and technical specifications before ordering.
Is a Bulldog Grip the same as a wire rope clip?
Yes. People commonly use the term Bulldog Grip to describe a type of wire rope clip. Check the product design and technical specifications to ensure it suits your requirements.
How do I choose a 25mm wire rope clamp?
Check the wire rope’s diameter and construction, then consult the manufacturer’s specifications to select a compatible 25mm clamp for your intended application.
How do I choose the correct wire rope clamp size?
Match the clamp to the wire rope’s nominal diameter and construction. Check the manufacturer’s documentation for the correct dimensions and installation requirements.
How many wire rope clips do I need?
The required number depends on the clip design, rope diameter and application. Follow the installation instructions for your exact product rather than relying on a generic size chart.
Can I use Bulldog Grips for lifting?
Use a Bulldog Grip for lifting only when the manufacturer approves the clip and termination method for that application. Follow the relevant safety requirements and installation instructions. Never assume that a general-purpose wire rope clip has a lifting rating.
Does AMCO Exports supply stainless steel wire rope clips?
Contact AMCO Exports to confirm available materials, sizes, surface finishes and order quantities.
How can I request a quotation from AMCO Exports?
Send AMCO Exports your required rope diameter, clip design, quantity, material or finish preference and delivery destination. Our team can help confirm availability and pricing.
Request a Quote for Wire Rope Bulldog Clamps
Looking for wire rope grips for an industrial or engineering application? Contact AMCO Exports with your required size, quantity and technical specifications to enquire about availability, pricing and bulk supply.
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