Dottie HPD312 Hole Saw, 3-1/2" Die 3" Conduit

Get faster, more reliable conduit penetrations for security, surveillance and network installations with the Dottie HPD312 hole saw. This 3-1/2-inch die is purpose-built for clean 3-inch conduit openings, helping technicians complete cable routing and monitoring system installs with precision and minimal rework. Built from high-speed alloy steel and dual-rated for steel and stainless, the HPD312 stands up to repeated use on conduit bodies, junction boxes and panel enclosures.

The patented 3-point design eliminates slug binding inside the cup, so punches cycle smoothly and downtime is reduced. Because the die requires up to 50% less torque than competing options, crews experience less fatigue and tools endure less stress—accelerating job completion on security, surveillance and networking projects. Interchangeability with competing brand dies also lets contractors standardize tooling without costly changes to inventory.

Choose the Dottie HPD312 hole saw die for dependable conduit hole production on commercial and industrial security and monitoring installs. Order now to streamline your cable installation workflow and keep projects on schedule.

• Delivers clean, accurate 3-1/2-inch holes tailored for 3-inch conduit installs, reducing rework on security and surveillance cabling
• 3-point die design prevents slug binding for uninterrupted punching and faster cycle times
• High-speed alloy steel construction and dual rating for steel and stainless improve durability across networking and conduit panels
• Requires up to 50% less torque, lowering operator effort and reducing wear on punch tools to boost onsite productivity
• Interchangeable with competing-brand dies to simplify inventory and integrate with existing punch tool fleets