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The GREENLEE 7212SP-1/2P is a replacement round punch designed for use with the Greenlee SPEED PUNCH system. It produces a clean 0.885-inch diameter hole sized for 1/2-inch conduit installations. The punch works as a component within the SPEED PUNCH hydraulic or manual knockout system, delivering precise, burr-free holes in electrical enclosures, panels, and junction boxes. Electricians and panel installers rely on this punch when adding conduit entries to sheet metal enclosures without distorting the surrounding material. At 0.17 pounds, it is a lightweight, single-piece tool designed for repeated field use.
This punch is intended for electrical trade work where 1/2-inch conduit entries are required in steel or similar sheet-metal enclosures. Typical applications include service panels, pull boxes, meter enclosures, and industrial control cabinets. It is used exclusively as a component of the Greenlee SPEED PUNCH system and is not a standalone knockout tool. Licensed electricians performing panel work and conduit rough-in installations are the primary users of this replacement punch.
Designed for use with Greenlee SPEED PUNCH system components. Compatible conduit size is 1/2 inch. This punch is a replacement part and requires a compatible Greenlee SPEED PUNCH driver and die to function.
Installation should be performed by a qualified electrician in accordance with applicable NEC requirements. Before punching, de-energize and lock out any panel or enclosure being worked on. Ensure the correct die is paired with this punch to avoid damage to the tooling or workpiece. Inspect the punch edge for wear or chipping before each use and replace if damage is present.
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