AS4055.520 Rittal Sheet metal punch  20.4mm

AS4055.520 Rittal Sheet metal punch 20.4mm

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.

SKU: AS4055.520Alt SKU: 4055520MPN: AS4055.520
Price
List Price £42.03 ex VAT
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Manufacturer Lead Time

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Why Choose the Rittal AS4055.520 Sheet Metal Punch?

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.

Key Advantages

  • Professional round sheet metal punch for industrial enclosure applications.
  • 20.4 mm punching diameter suitable for M20 and PG 13 cable entry applications.
  • Suitable for steel sheet up to 2 mm thickness.
  • Three-way splitting design reduces punching effort.
  • Compatible with hydraulic punch tooling for efficient installation.
  • Compact and durable tooling solution for electrical panel builders.

Key Features

  • Rittal Automation Systems sheet metal punching tool.
  • Round punch design with three-way splitting.
  • 20.4 mm punch diameter.
  • M20 thread and PG 13 cable gland application.
  • Designed for steel sheet enclosure modifications.
  • Suitable for hydraulic punch bolt order number 4055.661.
  • Supplied with die and punch components.
  • Suitable for professional electrical installation and control cabinet manufacturing.

Reliable Sheet Metal Punching for Industrial Enclosures

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.

Typical Applications

  • Electrical control cabinet assembly.
  • Cable gland openings in enclosure panels.
  • Industrial enclosure modification.
  • Automation system installations.
  • Machine building and panel manufacturing.
  • Electrical workshops and maintenance environments.

Technical Specifications

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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

Frequently Asked Questions

What is the Rittal AS4055.520 used for?

The Rittal AS4055.520 is used for punching round openings in steel sheet panels for M20 cable glands and electrical enclosure applications.

What size hole does this punch create?

The AS4055.520 creates a circular opening with a diameter of 20.4 mm.

What material thickness can this punch handle?

The punch is designed for sheet steel with a maximum thickness of 2 mm.

How is the Rittal AS4055.520 operated?

The punch can be operated using compatible wrench equipment or a hydraulic punch system for efficient metal cutting.

What is included with the AS4055.520?

The tool is supplied with a female die and male punch for creating round sheet metal cut-outs.

Trusted by Industrial Panel Builders Worldwide

Rittal tooling solutions are widely used by electrical engineers, enclosure manufacturers and automation specialists to achieve precise, reliable and efficient control cabinet assembly.