L H Dottie Co HPS312 Cup Die Set 3-1/2 Inch

Product Description

The L H DOTTIE CO HPS312 is a 3-1/2 inch cup die set designed for use in punch and die operations common to electrical and mechanical trade work. Cup die sets provide the shaped tooling needed to produce clean, accurate knockouts or formed openings in sheet metal, enclosures, and related materials. This set is sold as a single unit and is the appropriate die component for applications requiring a 3-1/2 inch diameter cut or form. Electricians and mechanical contractors rely on cup die sets to maintain consistent, burr-free results across repetitive punching tasks.

This cup die set is suited for trade professionals working on electrical panel installations, junction box preparation, conduit entry points, and similar sheet metal fabrication tasks. It is intended for use with compatible punch driver systems and die holders that accept a 3-1/2 inch cup die configuration. The set is sold individually, making it practical as a replacement die or as a standalone addition to an existing punch set.

Key Features

• 3-1/2 inch cup die configuration for accurate knockouts and formed openings
• Sold as a single unit for targeted replacement or supplemental use
• Designed for use with compatible punch driver and die holder systems
• Appropriate for sheet metal enclosures, electrical panels, and conduit entry applications
• Hardware accessory category, suited for licensed electrical and mechanical trade use

Compatibility

Designed as an OEM-style replacement or supplemental cup die for punch driver systems that accept a 3-1/2 inch cup die configuration. Verify compatibility with your existing punch set before installation.

Installation Notes

Installation and use of cup die sets should be performed by qualified electricians or mechanical trade professionals familiar with punch and die tooling. Disconnect all power to enclosures or panels before beginning any knockout or punching operation. Use only with a compatible punch driver and properly rated die holder to avoid tooling damage or injury. Follow applicable NEC guidelines when creating conduit entries or knockouts in electrical enclosures.