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Rittal AS4055.520 round sheet metal punch with 20.4 mm diameter and three-way splitting design for creating M20 cable gland openings in steel enclosure panels.
£42.03
The Rittal AS4055.520 is a professional round sheet metal punch designed for accurately creating circular cut-outs in steel sheet panels for cable glands and electrical enclosure applications. As part of the Rittal Automation Systems tooling range, it provides precise and reliable punching performance for control cabinet assembly, industrial enclosure modification and electrical installation work.
This punch features a three-way splitting design that reduces the cutting force required during operation, helping to create clean circular openings with minimal effort. The tool is suitable for use with hydraulic punch systems or compatible tension screws, making it ideal for professional panel builders and electrical installers.
With a punching diameter of 20.4 mm and suitability for sheet steel up to 2 mm thickness, the AS4055.520 is designed for creating openings for M20 threaded cable glands and PG 13 applications in industrial enclosures. The complete tool set includes the required die and punch components for immediate use.
The Rittal AS4055.520 enables electricians and panel builders to create accurate round openings in steel enclosure panels for cable entry systems. The three-way splitting mechanism helps improve cutting efficiency while reducing the force required during punching operations.
Designed for industrial automation environments, this Rittal punching tool supports efficient control cabinet manufacturing and electrical installation processes. Its robust construction and compatibility with hydraulic tooling make it suitable for professional workshops and production applications.
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| Accessory Type | Tools | |
|---|---|---|
| Manufacturer | Rittal | |
| Series | Automation Systems | |
| Model | AS4055.520 | |
| Article number | 4055520 | |
| Product type | Sheet metal punch / hole punch | |
| Punch shape | Round | |
| Punch diameter | 20.4 mm | |
| Application | M20 / PG 13 cable gland openings | |
| Splitting design | Three-way split | |
| Suitable material | Sheet steel | |
| Maximum sheet steel thickness | 2 mm | |
| Operation | Wrench or hydraulic punch tool | |
| Suitable hydraulic tension screw | 4055.661 | |
| Tension screw size | 9.5 x 50 mm | |
| Supply includes | Female die and male punch | |
| Pack quantity | 1 piece | |
| Weight | 0.075 kg | |
| EAN | 4028177808669 |
The Rittal AS4055.520 is used for punching round openings in steel sheet panels for M20 cable glands and electrical enclosure applications.
The AS4055.520 creates a circular opening with a diameter of 20.4 mm.
The punch is designed for sheet steel with a maximum thickness of 2 mm.
The punch can be operated using compatible wrench equipment or a hydraulic punch system for efficient metal cutting.
The tool is supplied with a female die and male punch for creating round sheet metal cut-outs.
Rittal tooling solutions are widely used by electrical engineers, enclosure manufacturers and automation specialists to achieve precise, reliable and efficient control cabinet assembly.
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