Knipex Welding Grip Pliers - 4224280
Best current price£39.89from eBay
Best offers
Shopping.co.uk recommended and popular offers
eBay£39.89Visit shop Knipex 42 24 280 Heavy Duty Locking Welding Grip Pliers 280mm
Visit shopeBay£39.89Visit shop All Offers
2 offers from £39.89 - £45.53
View price history by clicking the chart icon.
eBayKnipex 42 24 280 Heavy Duty Locking Welding Grip Pliers 280mm
Free delivery in 1–3 days
£39.89
Visit shop
Blueperry agriculture (UK)Knipex Welding Gripping Pliers Ta4224280
Free delivery in 1–3 days
£45.53
Visit shop
Product Information
Full details
The Knipex 42 24 280 Welding Grip Pliers are professional-grade tools designed for metalworkers, welders, and fabricators who need a secure, reliable way to clamp and hold diverse profiles during assembly or welding. These pliers offer exceptional clamping pressure and one-hand operation, making them a staple in high-stakes environments; however, their heavy-duty steel construction and 850g weight may be overkill for light-duty or precision electronics work.
All features
| Model Part Number | 4224280 |
|---|---|
| Brand | Knipex |
Extended Product Information
FAQs
What is the maximum diameter these pliers can clamp?
The Knipex 42 24 280 is designed to handle round or tubular objects ranging from 10mm to 70mm in diameter.
Are these pliers safe for use with MIG or TIG welding?
Yes, the heat-resistant malleable cast iron jaws are specifically designed to withstand the heat generated during welding processes.
Can I operate these with one hand?
Yes, the tool features an adjustment screw and release lever configuration that facilitates simple one-handed operation.
What is the material composition of the pliers?
The main body is made from high-strength rolled steel, and the jaws are constructed from heat-resistant malleable cast iron.
How much do the pliers weigh?
The pliers weigh 850 grams, contributing to their heavy-duty, stable performance.
Do I need to maintain the hinge?
To ensure smooth operation, keep the pivot points clean and apply light machine oil periodically.
Troubleshooting
Pliers do not lock securely when closed.
Adjust the knurled screw at the end of the handle to increase the tension or reach of the locking mechanism.
The release lever is stiff or difficult to engage.
Clean any debris or weld spatter from the hinge, then apply a small amount of lubricant to the pivot point.
Jaws have become uneven over time.
Inspect the pivot pin for wear. If the pins are intact, ensure the adjustment screw is set correctly to allow the toggle lever to reach its full locked position.
Pros and Cons
Pros
- Extremely durable, high-strength steel body
- Superior clamping pressure via toggle lever action
- Heat-resistant jaws ideal for welding applications
- Adjustable clamping width for various round or tubular profiles
- Efficient one-handed adjustment and release
Cons
- Substantial 850g weight may cause fatigue during extended use
- Less suitable for delicate or small-scale precision tasks
- Not intended for non-metal applications where jaw surfaces could mar material
Setup, Compatibility & Care
Setup requires initial calibration: open the pliers fully, adjust the screw to your desired diameter (10-70mm range), and test the lock. When clamping, ensure the workpiece is centered between the jaws to distribute pressure evenly. For long-term care, keep the pivot points lubricated with a light machine oil to maintain smooth operation of the toggle mechanism. Because the tool is made of high-strength steel, store it in a dry environment to prevent corrosion. Periodically clean the cast iron jaw surfaces with a wire brush to remove spatter or debris buildup that might interfere with a secure grip.