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The DEWALT DW5230B25 is a premium percussion carbide drill bit sold in a bulk pack of 25, designed for drilling into masonry, concrete, and similar hard substrates. At 3/8 inches in diameter and 6 inches in overall length, this bit delivers the reach and cutting diameter needed for anchor bolt holes, conduit penetrations, and structural fastening applications. The carbide tip is engineered to withstand the repeated impact cycles of hammer drills, maintaining cutting efficiency across extended use on jobsite or service-call conditions. Trade professionals in electrical, plumbing, and HVAC keep this size on hand for common masonry penetration tasks.
This drill bit is suited for residential and commercial applications where masonry penetration is required. Typical use cases include drilling through concrete block, brick, and poured concrete for conduit hangers, pipe anchors, and equipment mounting points. The 25-piece bulk quantity makes it a practical supply for contractors and service shops that cycle through this common size regularly, reducing per-bit cost and keeping inventory stocked for recurring work.
Designed as an OEM-style percussion carbide drill bit for use with standard chuck hammer drills and rotary hammer drills that accept a 3/8-inch straight-shank bit.
This bit is intended for installation by licensed trade professionals including electricians, plumbers, and HVAC technicians performing masonry penetration work. Always wear appropriate eye protection and dust control measures when drilling into concrete or masonry. Confirm the drill is set to hammer mode before use, and ensure the bit is fully seated and the chuck is tightened before beginning. Do not use percussion bits in rotary-only mode, as this accelerates tip wear and reduces accuracy.
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