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The FREUD DHS3500 is a high-performance hole saw designed for fast, deep cutting in a single pass. It measures 3-1/2 inches in diameter with a 2-3/8 inch cutting depth, making it suitable for boring through wood and metal without repositioning. The variable tooth design reduces vibration while increasing cut speed. Tool-free plug ejection speeds up material removal between cuts. The Snap Lock system allows quick arbor changes with no downtime. The mandrel and pilot bit are sold separately.
This hole saw is built for trade professionals working on rough framing, electrical rough-in, plumbing penetrations, and HVAC ductwork applications where consistent, deep bores are required. It is compatible with the Snap Lock mandrel system, which accepts all Diablo hole saws from 5/8 inches to 6 inches in diameter. Typical users include electricians, plumbers, HVAC installers, and general contractors working in residential and light commercial construction.
Compatible with the Diablo Snap Lock mandrel system, which fits all Diablo hole saws ranging from 5/8 inches to 6 inches in diameter. Mandrel and pilot bit are sold separately. Rated for use in wood and metal materials.
Installation is performed by electricians, plumbers, and HVAC technicians using a standard drill or drill press. Always confirm the mandrel and pilot bit are properly secured before operation. Follow applicable NEC or IPC penetration and firestopping requirements after boring through framing or structural members. Do not exceed the rated material types listed for this saw.
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