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2 inch aluminum handle ratchet buckle for 50 mm tie down straps, available with 3000 kg or 5000 kg breaking strength for cargo securing, transport and commercial tie-down applications.
- Size: 2 Inch / 50 mm
- Breaking Strength: 3000 kg / 5000 kg
- Handle: Aluminum Handle
- Body: High-Strength Steel Structure
- Compatible Webbing: 2 Inch Polyester Webbing
- Applications: Trucks, Trailers, Cargo Lashing and Equipment Transport
SF-RB-5003
SUPER FISHER / OEM
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The SUPER FISHER SF-RB-5003 is a 2 inch ratchet buckle designed for use with 50 mm polyester webbing in cargo securing and tie-down assemblies. It combines an aluminum operating handle with a high-strength steel buckle body, providing a practical tensioning component for trucks, trailers, equipment transport and general cargo lashing.
Available with 3000 kg or 5000 kg breaking strength options, this ratchet buckle can be integrated into different 2 inch tie-down configurations according to the required webbing, end fittings and assembly specification.
Its ratcheting mechanism allows the operator to progressively tension the webbing and maintain controlled strap tension during cargo securement.
The SF-RB-5003 uses a combination of an aluminum handle and steel load-bearing structure rather than an all-aluminum construction.
The aluminum handle provides a broad gripping area for repeated ratchet operation while keeping the handle section relatively lightweight.
Its shaped profile gives the operator enough space to operate the buckle while wearing work gloves, which is useful during loading, unloading and routine transport operations.
Aluminum also provides natural corrosion resistance at the handle, making it suitable for cargo securing equipment that may regularly be used outdoors.
The main ratchet frame, gear and other load-bearing components are manufactured from steel to withstand the mechanical forces generated during strap tensioning.
The steel components use a protective surface treatment to improve resistance to corrosion and everyday environmental exposure.
The combination of an aluminum handle and steel working mechanism balances operating convenience with the structural requirements of a heavy-duty ratchet buckle.
The SF-RB-5003 is available with two breaking strength specifications:
Model | Size | Breaking Strength | Handle Type |
|---|---|---|---|
SF-RB-5003 | 2 Inch / 50 mm | 3000 kg / 6600 lbs | Aluminum Handle |
SF-RB-5003 | 2 Inch / 50 mm | 5000 kg / 11000 lbs | Aluminum Handle |
Breaking Strength, often abbreviated as B.S., indicates the force at which the component is expected to fail during controlled testing.
Breaking strength should not be treated as the allowable working load of a completed tie-down assembly. The usable rating of the finished strap depends on the complete system, including the buckle, polyester webbing, end fittings, stitching and applicable safety factor.
When sourcing components for a specific tie-down rating, all parts of the assembly should be selected according to the required specification.
The ratchet mechanism converts repeated handle movement into progressive webbing tension.
During operation, the 2 inch webbing passes through the buckle mandrel. Moving the aluminum handle rotates the mandrel and winds the webbing around it, allowing slack to be removed gradually.
The gear and pawl mechanism helps prevent unintended reverse movement while the strap is being tensioned.
This mechanical advantage allows the operator to achieve controlled tension without relying solely on manual pulling force.
For buyers who require a complete strap rather than an individual buckle, SUPER FISHER also supplies complete 2 Inch Ratchet Tie Down assemblies with different lashing capacities, webbing colors and hook configurations.
The SF-RB-5003 is designed for standard 2 inch / 50 mm tie-down webbing.
Polyester webbing is commonly used in cargo securement because it combines strength with relatively low stretch and good resistance to moisture.
The webbing should pass smoothly through the ratchet mandrel without folding, bunching or rubbing against the frame edges.
When assembling a tie-down strap, the webbing specification should be selected together with the required buckle breaking strength and end fitting.
SUPER FISHER provides a wider range of ratchet straps for buyers who require complete cargo securing systems instead of individual hardware.
A ratchet buckle forms the tensioning section of a complete tie-down assembly. Different end fittings can be selected according to the available anchor points on the vehicle, trailer or equipment.
Common configurations include:
Flat hooks for trailer rub rails and similar wide attachment points
Double J hooks for D-rings and narrower anchor points
S hooks for general cargo securing
Snap hooks where additional hook retention is required
Chain fittings for selected equipment transport applications
The selected hook or end fitting should be compatible with both the webbing width and the intended tie-down assembly rating.
Buyers sourcing individual components can combine the buckle with suitable webbing and fittings from the broader Ratchet Tie Down range.
The 2 inch aluminum handle ratchet buckle is suitable for a variety of transport and cargo securing applications.
The buckle can be used as part of a ratchet strap assembly for securing palletized goods, building materials, machinery and other loads transported by trucks and trailers.
When combined with suitable webbing and end fittings, the buckle can be incorporated into tie-down systems used on flatbed trailers for equipment and general freight.
The ratchet mechanism provides progressive tension adjustment for securing machinery, tools and equipment during road transport.
Different strap and hook configurations can be assembled for towing, wheel-lift and vehicle transport applications where a 2 inch tensioning buckle is required.
The buckle can also be used in reusable cargo securing straps for internal logistics, warehouse handling and industrial transportation.
Selecting a ratchet buckle should be based on the complete tie-down system rather than the buckle alone.
The SF-RB-5003 is designed for 2 inch / 50 mm webbing. The webbing should match the buckle width so that it winds evenly around the mandrel.
Choose between the 3000 kg and 5000 kg breaking strength versions according to the specification of the complete tie-down assembly.
The buckle should not be selected with a lower breaking strength than other critical components required by the intended assembly design.
Consider where the strap will be attached. Flat hooks, J hooks, snap hooks and other fittings suit different anchor points.
For equipment regularly exposed to moisture, road spray or outdoor storage, surface protection and routine inspection become especially important.
Cargo securement requirements vary between markets and applications. If the finished ratchet strap needs to comply with a specific standard, the webbing, buckle, hooks, stitching, labeling and completed assembly should all be specified accordingly.
SUPER FISHER supports component supply as well as complete customized tie-down assemblies for distributors, importers and industrial buyers.
Quality inspections can include raw material checks, dimensional and appearance inspection, assembly inspection, tensile load testing and functional testing according to the product and order requirements.
OEM and ODM options can include:
Ratchet buckle specification
Webbing width and length
Webbing color
End fitting selection
Logo and product marking
Custom labels
Packaging
Complete tie-down assembly configuration
For customized orders, provide the required webbing size, strength specification, end fittings, quantity and target market before production.
Ratchet buckles should be visually inspected before being incorporated into a tie-down assembly and checked regularly during service.
Before use, inspect:
Ratchet frame for bending, cracks or deformation
Gear teeth for excessive wear or damage
Pawl mechanism for correct engagement
Mandrel for deformation or restricted rotation
Aluminum handle for visible damage
Surface coating for excessive corrosion
Webbing contact areas for sharp edges or burrs
Do not use a buckle with damaged gears, a bent frame, cracked components or a ratchet mechanism that does not engage correctly.
When tensioning a completed strap, make sure the webbing remains aligned on the mandrel and does not bunch excessively at either side.
The breaking strength of the buckle should never be used by itself to determine the permitted load of a complete tie-down system.
The SF-RB-5003 is designed for 2 inch, or approximately 50 mm, polyester tie-down webbing. Using the correct webbing width helps the strap wind evenly around the mandrel during tensioning.
No. The 5000 kg specification refers to breaking strength, not the working load limit of a finished tie-down strap. The allowable rating of the complete assembly depends on the webbing, buckle, hooks, stitching, applicable safety factors and relevant standard.
An aluminum handle reduces weight at the operating section and provides good corrosion resistance while the main steel frame continues to provide the required structural support. The preferred configuration depends on application, operating environment and buyer requirements.
Yes. It can be combined with compatible 2 inch polyester webbing, suitable end fittings and correctly specified stitching to produce a complete ratchet tie-down assembly.
Yes. The complete strap can be configured with different end fittings such as flat hooks, double J hooks, S hooks or other compatible fittings. Hook selection should depend on the anchor point and required assembly rating.
The webbing should have sufficient engagement on the mandrel to maintain secure tension without excessive wrapping that interferes with ratchet operation. Follow the requirements applicable to the completed tie-down assembly and the operating instructions supplied with the strap.
No. A ratchet buckle and cargo tie-down strap are intended for load restraint and cargo securement. They should not be used as lifting slings or lifting devices unless specifically designed, rated and certified for lifting.
Yes. Custom options can include buckle configuration, webbing length and color, end fittings, branding, labels and packaging according to order requirements.
Navigating the complex landscape of commercial transport regulations requires hardware that meets rigorous testing criteria. This aluminum handle ratchet buckle is manufactured to satisfy or exceed the stringent cargo securement guidelines established by international regulatory bodies:
DOT Compliance: Meets Department of Transportation requirements for commercial over-the-road securement.
WSTDA Standards: Aligns with Web Sling & Tie Down Association guidelines for mechanical tensioning devices.
CVSA Regulations: Satisfies Commercial Vehicle Safety Alliance criteria, reducing the risk of roadside citations and impoundments.
By integrating compliant hardware into your securement systems, you actively mitigate compliance-related delays and uphold the highest standards of highway safety.
