Cast Iron Pulleys
Cast Iron Rope Block, Hand Wheel Rope Pulley, Black Cast Iron Wire Pulley With Rebar Hook
A cast iron rope block with a hand wheel and rebar hook, designed for directional force change and friction reduction in rope or cable systems. The black cast iron wheel features a grooved surface to guide wire rope or cable, with sizes from 80mm to 180mm diameter. It is used in lifting, hoisting, and material handling applications where durability and load capacity are critical.
- Size
- 80mm - 180mm
- Catalogue Family
- Cast Iron Pulleys
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Cast Iron Rope Block Gives You
- Black cast iron construction resists wear and maintains strength under heavy and repeated loads
- Grooved wheel surface guides rope or cable, reducing slippage and misalignment
- Hand wheel enables manual control of rope tension and positioning
- Rebar hook provides a secure anchor point for fixed or temporary rigging setups
- Compact design allows installation in tight spaces on cranes, hoists, and trailers
- Low maintenance and long service life in industrial and outdoor environments
- Standardized sizes from 80mm to 180mm allow for consistent sourcing across projects
Application Scenarios
Where Cast Iron Rope Block Is Used
- Construction site hoisting where a rope is redirected over a fixed point using a hand wheel for controlled lowering
- Marine dockside rigging for mooring or cargo handling with a rebar hook anchored to a bollard
- Mining equipment setup using a cast iron block to redirect wire rope on a winch system
- Industrial plant maintenance where a hand wheel pulley adjusts tension on a cable-driven mechanism
- Temporary rigging on a trailer or truck bed for securing loads with a rebar hook anchor
- Manufacturing floor use in overhead crane systems where rope direction must be changed without additional hardware
Who It Is For
Buyers This Product Is Built For
- Construction contractors specifying durable rope redirection hardware for crane and hoist systems
- Marine and port operators needing robust pulleys for mooring and cargo handling
- Mining and energy project teams sourcing reliable rigging components for heavy lifting
- Industrial maintenance teams requiring hand-operated pulleys for tensioning and alignment
- Truck and trailer manufacturers integrating pulleys into tie-down and load securing systems
- Rigging distributors stocking a standard pulley range with consistent dimensions and finishes
Problems It Solves
Problems This Product Removes
- Rope or cable slipping off a smooth or ungrooved surface during load transfer
- Manual rope tensioning without a hand wheel leading to inconsistent force application
- Lack of a secure anchor point for the rope end when using a fixed pulley
- Using multiple components like a shackle and block when a single integrated pulley would suffice
- Pulley failure due to low wear resistance in softer materials under repeated use
- Inconsistent sizing across suppliers making it hard to standardize rigging setups
Technical Features
Technical Features
- Cast iron wheel with precision grooved or V-shaped surface for rope or cable guidance
- Hand wheel mounted on the axle for manual control of rope tension
- Rebar hook attached to the frame for secure anchoring to structural members
- Black cast iron finish for corrosion resistance and visual identification
- Available sizes from 80mm to 180mm in diameter with consistent groove depth and width
- Standardized mounting holes and frame design for easy integration into rigging systems
- No moving parts beyond the rotating wheel, reducing maintenance needs
Specifications
Cast Iron Rope Block Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Size Range | 80mm to 180mm diameter |
|---|---|
| Material | Black cast iron |
| Wheel Finish | Black cast iron, no additional coating |
| Mounting Feature | Rebar hook with frame attachment |
| Control Mechanism | Hand wheel on axle |
| Groove Type | Grooved or V-shaped for rope guidance |
| Pcs Per Carton | 40 (80mm), 34 (100mm), 26 (120mm), 20 (140mm), 16 (160mm), 16 (180mm), 12 (180mm) |
| Net Weight Per Unit | 0.67 kg (80mm), 0.71 kg (100mm), 0.90 kg (120mm), 1.00 kg (140mm), 1.10 kg (160mm), 1.40 kg (180mm), 1.80 kg (180mm) |
Materials
Materials And Finishes
- Black cast iron wheel for high wear resistance and load-bearing strength
- Steel rebar hook for secure anchoring to fixed points
- No surface coating or plating; finish is the natural black cast iron
Manufacturing Process
How This Product Is Made
1Casting of the pulley wheel and frame in black cast iron
2Machining of the groove and mounting holes to specified dimensions
3Assembly of the hand wheel onto the axle and securing with fasteners
4Attachment of the rebar hook to the frame using bolts or welding
5Final inspection for casting defects and dimensional accuracy
6Packing in cartons according to size and quantity per carton
Quality Control
Quality Control On Every Batch
- Dimensional tolerance check against published size table
- Visual inspection for casting defects such as porosity or cracks
- Functional check of hand wheel rotation and rebar hook attachment
- Proof load testing on production batches
- Material Test Certificate to EN 10204 3.1 supplied on request
- Third-party inspection accepted before shipment
Customisation
Customisation Options
- Custom size and groove configuration built to a drawing
- Private label and OEM marking available
- Rebar hook position or orientation adjusted to a drawing
- Carton and pallet packing configured for your warehouse or retail pack
- Custom packaging configuration for export or bulk shipment
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Steel pulley | Cast iron is more wear-resistant and quieter in operation, but steel is stronger and better for extreme dynamic loads |
| Plastic or nylon pulley | Cast iron handles heavier loads and resists heat and abrasion better, but is heavier and more expensive |
| Pulley without hand wheel | The hand wheel allows manual tension control, which is not possible with a fixed pulley |
| Pulley without rebar hook | The rebar hook provides a ready anchor point, eliminating the need for a separate shackle or mounting bracket |
Use Guide
How To Use And Inspect Cast Iron Rope Block
- Ensure the hand wheel rotates freely before use and the rebar hook is securely attached
- Match the pulley size to the rope or cable diameter to prevent slippage or damage
- Inspect the groove for wear or deformation before each use
- Do not exceed the load capacity implied by the size and material
- Keep the rebar hook anchored to a fixed structural member to prevent failure
- Retire the pulley if the wheel shows cracks, the hook is bent, or the hand wheel binds
Related Products
Often Ordered With This Item
Browse The Category
Industries Using This Product
Sourcing Support For This Product
Answers
Cast Iron Rope Block FAQ
What sizes are available?
Sizes range from 80mm to 180mm in diameter. Two 180mm sizes are available: one with 12 pieces per carton and one with 16 pieces per carton.
Is the cast iron wheel coated or plated?
No. The finish is natural black cast iron with no additional coating or plating.
Can I get a Material Test Certificate?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied on request with every order.
Can the rebar hook be relocated or modified?
Yes. Custom hook position or orientation can be built to a drawing.
What is the weight of each size?
Weights range from 0.67 kg (80mm) to 1.80 kg (180mm). The full list is available in the specs section.
Can you pack these in custom cartons?
Yes. Carton and pallet configurations can be adjusted to suit your warehouse or retail pack.
How long does it take to ship?
Lead time is confirmed after production evaluation. Goods can be held in our Qingdao warehouse free for two months to consolidate shipments.
Need A Quote On Cast Iron Rope Block
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.