Greenlee 60040 Rectangular Knockout Punch Unit

Greenlee 60040 Rectangular Knockout Punch Unit

The Greenlee 60040 Rectangular Knockout Punch Unit is a complete rectangular punch assembly engineered for use with any Greenlee hand or hydraulic driver. This punch series is rated for cutting clean rectangular knockouts in up to 14 gauge mild steel, and is available in rectangular sizes ranging from .861" x 1.01" (21.9mm x 25.7mm) up to .990" x 1.14" (25.1mm x 29.0mm), including .866" x 1.18" (22.0mm x 30.0mm) and .866" x 1.65" (22.0mm x 41.9mm) options. Each unit ships as a complete kit, eliminating the guesswork of sourcing individual components separately, and is built for electricians and panel fabricators who need precise, burr-free enclosure openings.

Key Features

• Rectangular Sizes: Available in rectangular openings from .861" x 1.01" up to .990" x 1.14" to match a range of panel and enclosure requirements.
• Complete Punch Set: Includes punch, die, draw stud, and nuts, so each unit is ready to use with a compatible driver right out of the box.
• Material Capacity: Rated for cutting up to 14 gauge mild steel cleanly and accurately.
• Universal Driver Compatibility: Designed for use with any Greenlee hand or hydraulic driver, giving installers flexibility in tool selection.
• Durable Steel Construction: Built from hardened steel components to withstand repeated punching cycles in demanding job-site conditions.
• Made in the USA: Manufactured in the United States for consistent, reliable performance.

Technical Specifications

• Country of Origin: United States
• Type: Rectangle Punch Unit for up to 14 gauge mild steel
• Shape: Rectangular
• Available Sizes: .861" x 1.01", .866" x 1.18", .866" x 1.65", .990" x 1.14"
• Included Components: Punch, Die, Draw Stud, and Nuts

Typical Applications

• Electrical Panel and Enclosure Fabrication
• Knockout Openings for Switchgear and Panelboards
• Commercial and Industrial Electrical Installations
• Custom Enclosure Modification and Retrofit Work
• Field Use with Greenlee Hand or Hydraulic Drivers

Why Greenlee?

Greenlee is a trusted name among electrical contractors for tools that hold up to daily job-site demands. The 60040 Rectangular Punch Unit series delivers a complete, precisely sized punch, die, and hardware set built to cut clean rectangular knockouts in mild steel up to 14 gauge, and compatibility with any Greenlee hand or hydraulic driver means each size fits seamlessly into an existing Greenlee tool setup. Manufactured in the United States, this punch unit line is built for reliable, repeatable performance across a range of rectangular sizes on professional electrical installations.