Greenlee 60001 Square Knockout Punch Unit

Greenlee 60001 Square Knockout Punch Unit

The Greenlee Square Knockout Punch Unit is a precision-machined punch designed to create clean, accurately sized square knockouts in electrical enclosures, panels, and equipment housings. This punch family is available in sizes from 1/2" to 1-13/16" (46.0 mm), giving electricians and panel builders a fast, repeatable way to add square openings for switches, indicators, and other panel-mounted components without the burrs and distortion common to hole saws or manual cutting methods. Designed for use with any Greenlee hand or hydraulic driver, this punch unit is manufactured in the United States and engineered to deliver dependable performance and a consistent square profile knockout every time it is used, regardless of the size selected.

Key Features

• Size Range: Available in sizes from 1/2" to 1-13/16" (46.0 mm), producing precise square knockouts for standard panel and enclosure openings.
• Square Configuration: Purpose-built square punch shape delivers a clean, uniform square cutout with straight edges and square corners across the entire size range.
• Universal Driver Compatibility: Designed for use with any Greenlee hand or hydraulic driver, giving installers flexibility to match the punch unit to the tool already on hand.
• Consistent, Repeatable Cuts: Precision machining ensures each knockout matches its specified dimension for reliable fit-up of panel-mounted devices, whether 1/2", 7/8", or 1-13/16".
• Durable Build: Constructed to withstand repeated punching cycles in demanding electrical and industrial panel fabrication environments.
• Made in the USA: Manufactured in the United States to Greenlee's quality standards for professional electrical tooling.

Technical Specifications

• Shape: Square
• Size Range: 1/2" to 1-13/16" (46.0 mm)
• Country of Origin: United States

Typical Applications

• Electrical Panel and Enclosure Fabrication
• Switchgear and Control Panel Modifications
• Adding Square Knockouts for Switches and Indicators
• Commercial and Industrial Electrical Installations
• Panel Builder and Electrical Contractor Fieldwork

Why Greenlee?

Greenlee punch units are precision-machined to produce consistent, clean knockouts that reduce rework and improve panel fit-up, across every size in the 1/2" to 1-13/16" range. Compatible with any Greenlee hand or hydraulic driver, this Square Knockout Punch Unit family gives electrical professionals a versatile, durable tool built in the United States for dependable, code-compliant panel fabrication work.