Meet the Diablo DHS14SGP 14 pc General Purpose Bi-Metal Hole Saw Set—your fast, reliable solution for clean, accurate holes in wood, metal, and plastic. Built around a durable bi-metal design, this kit is engineered to cut faster and withstand the demands of pro and DIY projects alike, delivering tangible productivity gains on every job.

This 14-piece kit has you covered with:

• 10 bi-metal hole saw cups for a broad range of common hole sizes
• 1 Snap-Lock Plus™ mandrel for quick, secure attachment
• 1 pilot bit for precise starting alignment
• 2 adaptor nuts (1/2” and 5/8”) for fast cup changes

Why this set stands out

Diablo’s high-performance hole saws pair robust bi-metal construction with optimized tooth geometry to deliver faster cutting and longer life than standard bi-metal options. The Snap-Lock Plus mandrel system simplifies mounting and cup changes, helping you transition between cuts with minimal downtime and maximum job site momentum. If you’re tackling multiple openings in a single project, this kit streamlines your workflow—from initial pilot to finished hole.

Ideal uses and practical applications

• Electrical rough-ins: quick, clean holes in studs or metal boxes for conduit and wiring passes
• Plumbing and HVAC: precise penetrations through metal panels, fittings, and ducting
• Woodworking and cabinetry: accurate holes in hardwoods, plywood, and composite materials for hardware and routing needs
• General repairs and DIY projects: from shelving installations to framed projects requiring dependable hole quality

What problems it solves

Frustrating hole saw changes and slow cuts eat into project timelines. With the DHS14SGP kit, you get a complete, ready-to-go solution that reduces downtime, increases cutting speed, and extends tool life thanks to durable bi-metal construction and a user-friendly mounting system. The included pilot bit and adaptor nuts ensure you’re prepared for common hole sizes right out of the box, so you don’t have to pause mid-project.

Who should consider this kit

Ideal for professional tradespeople—electricians, plumbers, HVAC technicians, and carpenters—as well as serious DIY enthusiasts who value speed, precision, and long-term durability in their hole-cutting tools. If you frequently cut holes for outlets, fixtures, vents, or hardware, this Diablo set is designed to improve accuracy and efficiency across a wide range of materials.

Tips for best results

• Start with the pilot bit to prevent wandering and ensure clean entry cuts
• Match the cup size to the hole you need, then swap quickly using the Snap-Lock Plus mandrel
• Use steady, even pressure and let the teeth do the work to minimize heat buildup and prolong blade life
• For metal, consider a light lubricant to reduce friction and extend saw life on thicker sections