Malco C5R 5-Blade Crimping Tool – Leak-Proof Crimps for Round Duct & Stove Pipe | 7 to 1 Leverage

Overview

The Malco C5R 5-Blade Crimping Tool is built for HVAC pros and DIY installers who work with round duct and stove pipe. Featuring a five blade design, it supports fast end downsizing and helps you form clean, consistent crimps that sit neatly against joints.

Strong design for reliable crimps

Thanks to a tight fitting, more self-supporting crimp connection, the C5R helps you secure ductwork with confidence. The 7 to 1 compound leverage reduces effort, letting you complete crimps with less wrist strain and smoother operation.

• Quickly downsize ends of round duct and stove pipe
• Creates a tight fitting, more self-supporting crimp connection
• Compound leverage produces 7 to 1 mechanical advantage
• Ergonomic Redline Handles won't wear you down
• Made in the USA

Ergonomics and value in use

The ergonomic Redline handles are designed to stay comfortable during longer sessions, helping you maintain steady control as you work in confined spaces or above fixtures. The tool is built to endure regular use in professional settings.

• Ergonomic Redline handles reduce fatigue during repeated crimps
• Durable construction suitable for routine HVAC tasks

Real world scenarios

In tight closets, attic runs, or above ceiling panels, the Malco C5R enables precise end preparation and solid crimps that support subsequent connections. While results depend on technique and materials, many installers find the tool helps streamline workflow.