Hardened and tempered, drop-forged Chrome Vanadium steel jaws with combination profile for sheet o...Hardened and tempered, drop-forged Chrome Vanadium steel jaws with combination profile for sheet or pipe. Deep-cut jaw faces assist grip. Knurled jaw adjustment screw and flip release mechanism. Black phosphate finish for long term corrosion resistance. This premier quality set comes with deep cut jaws and a black anti-rust finish. Sizes included are 125mm, 175mm, and 250mm, with corresponding maximum jaw capacities of 30mm, 40mm, and 45mm. Model No. AK668.
This Sealey Locking Pliers Set (Model No. AK668) is designed for mechanics, DIY enthusiasts, and tradespeople who need reliable gripping and holding power for various tasks. Its key benefit is providing a secure, hands-free grip on irregular shapes, pipes, or sheet metal, reducing user fatigue and improving precision. A potential caveat is that while versatile, they are best suited for temporary clamping and may leave marks on softer materials if too much force is applied.
All features
Model Part Number
AK668
Brand
Sealey
Extended Product Information
FAQs
What material are the Sealey AK668 locking pliers made from?
The jaws are made from hardened and tempered, drop-forged Chrome Vanadium steel.
What is the purpose of the black phosphate finish?
The black phosphate finish provides long-term corrosion resistance, helping to prevent rust and wear.
How do I adjust the jaw opening?
You adjust the jaw opening using the knurled adjustment screw located on the jaw mechanism.
Can these pliers grip round objects like pipes?
Yes, the combination profile and deep-cut jaw faces are designed to grip both flat sheet materials and round pipes effectively.
What are the maximum jaw capacities for each size in the set?
The 125mm plier has a maximum capacity of 30mm, the 175mm plier has a capacity of 40mm, and the 250mm plier has a capacity of 45mm.
How do I release the locking mechanism?
To release the pliers, simply flip the release lever, which is typically located on one of the handles.
Are these suitable for heavy-duty industrial applications?
While robust for general workshop and DIY use, for extremely heavy-duty or continuous industrial applications, professional-grade industrial clamps might be more suitable depending on the specific demands.
Troubleshooting
Pliers do not lock onto the object.
Ensure the jaws are fully closed and the locking mechanism is properly engaged. Adjust the knurled screw to achieve a tighter initial fit before squeezing the handles.
Pliers release unintentionally.
Check that the object being gripped is within the maximum jaw capacity. Ensure the release lever is not accidentally being pressed. Clean and lubricate the mechanism if it feels stiff.
Jaws slip during use.
The deep-cut jaw faces should provide a strong grip. Ensure the jaws are clean and free of oil or grease. If gripping a very smooth or rounded surface, consider using a piece of rubber or cloth as padding (though this may reduce grip force).
Corrosion or rust on the tool.
Clean any rust with a wire brush and apply a light coating of oil or a rust inhibitor to the affected areas, especially the jaws and adjustment screw. Store in a dry place.
Pros and Cons
Pros
Durable construction from hardened and tempered Chrome Vanadium steel.
Versatile use for gripping pipes and sheet metal.
Secure and reliable grip due to deep-cut jaw faces.
Easy to adjust and release with the knurled screw and flip mechanism.
Corrosion-resistant finish for extended tool life.
Set includes multiple sizes for various applications.
Cons
May not be suitable for delicate or easily damaged materials without additional padding.
Primarily designed for holding, not for cutting or prying.
Jaw capacity limits the size of objects that can be gripped.
Requires manual adjustment for each new workpiece.
Setup, Compatibility & Care
Setup:
Select the appropriate plier size for your task.
Rotate the knurled adjustment screw to open the jaws to a width slightly larger than the object you intend to grip.
Place the jaws around the object.
Squeeze the handles firmly together until the jaws lock onto the object. The locking mechanism should engage automatically.
To release, flip the release lever located on one of the handles.
Compatibility:
These locking pliers are designed for gripping various materials including metal, plastic, and wood.
Maximum jaw capacities are 30mm (125mm plier), 40mm (175mm plier), and 45mm (250mm plier).
Care:
After use, clean jaws with a dry cloth to remove debris.
Apply a light coat of oil to the adjustment screw and pivot points to prevent rust and ensure smooth operation.
Store in a dry environment. Periodically check the locking mechanism and release lever for proper function.