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The EAGLE CUTTING TOOL VM4350-016-4-D is a carbide tipped masonry drill bit designed for boring through concrete, block, brick, and other masonry materials. With a 0.25 inch diameter and a 4 inch overall length, this bit is well suited for light structural drilling, anchor setting, and penetration work in both new construction and retrofit applications. Manufactured in the USA, it is built to the dimensional standards that trade professionals expect from a production-grade masonry bit. Electricians, plumbers, and general contractors rely on carbide tipped bits like this one when running conduit, pipe sleeves, or fastener anchors through masonry substrates.
This bit is appropriate for residential and light commercial masonry drilling tasks where a standard 0.25 inch bore is required. Common applications include setting sleeve anchors, driving through CMU block walls, and creating pilot holes in poured concrete for mechanical and electrical rough-in work. The 4 inch overall length provides enough depth capacity for most standard wall penetrations without the need for an extension.
Designed as an OEM-style replacement and production masonry drill bit compatible with standard rotary hammer and hammer drill chucks accepting a straight shank 0.25 inch bit.
Masonry drill bits of this type are installed by electricians, plumbers, and general contractors using rotary hammer drills or hammer drills set to hammer mode. Always wear appropriate eye protection and respiratory protection when drilling masonry. Ensure the work surface is clear of embedded conduit, rebar, or live utilities before drilling. Follow applicable OSHA and local safety codes when working on or near structural masonry elements.
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