1/2" and 5/8" Hole Saw Adapter Nuts

Diablo's Snap-Lock Plus™ Adaptor Nuts are designed for quick and easy hole saw cup changes for maximum job performance. Diablo’s MERGE, high performance hole saws deliver faster cutting performance and increased productivity thanks to an innovative mandrel design that simplifies the attachment process for fast and efficient hole saw mounting. Diablo's one-size fits all mandrel system is not just for Diablo hole saws; it will fit other brands of hole saws when using the enclosed adaptor nuts. Easily convert 9/16" to 6" hole saw cups by threading one of the enclosed adaptor nuts onto your existing hole saw system. Ideal for any corded or cordless drill press or handheld drill.

Place your order by 2 PM and it will ship for next business day delivery in most cases. We utilize reliable 24-hour carrier services whenever available to help ensure your order arrives on time.

A minimum order of $99 is required. Orders meeting this minimum qualify for standard shipping rates. Additional charges may apply for deliveries to remote or hard-to-reach areas, as determined by the carrier.

AAA Industrial Supply does not handle product warranties directly. All warranties, if applicable, are provided and administered by the manufacturer.

Warranty terms, coverage, and claims are subject to the manufacturer’s policies. For warranty support, customers must contact the manufacturer directly with proof of purchase.