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The EAGLE CUTTING TOOL SDS4350-5625-18-D is an SDS-shank masonry drill bit engineered for rotary hammer drilling into concrete, block, brick, and other masonry substrates. The bit measures 9/16 inch in diameter with an 18-inch overall length, making it well-suited for deep anchor holes and through-penetration work where standard-length bits fall short. The delta-style tip geometry promotes aggressive material removal and reduces heat buildup during extended drilling cycles. Installers across mechanical, electrical, and plumbing trades rely on this bit profile when setting anchors, running conduit sleeves, or core-boring through masonry walls.
This bit is intended for use with SDS-chuck rotary hammers in residential and light commercial construction and service applications. The 18-inch OAL makes it particularly useful when drilling through thick CMU walls, poured concrete foundations, or stacked masonry where shorter bits cannot reach full depth in a single pass. It is a common choice for HVAC, plumbing, and electrical rough-in work that requires precise, clean-entry holes through masonry assemblies.
Designed for use with standard SDS-chuck rotary hammers commonly used in masonry drilling applications across HVAC, plumbing, and electrical trades.
This bit is installed and operated by licensed tradespeople using SDS rotary hammers set to hammer-drill mode for masonry work. Confirm the chuck is fully seated and locked before drilling. Wear appropriate PPE including eye protection and dust control measures in accordance with OSHA and site safety requirements. Do not use in standard keyless drill chucks, as the SDS shank requires a compatible rotary hammer chuck.
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