Dewalt DWA56084 Rotary Hammer Drill Bit 1/8 in Carbide

Product Description

The DEWALT DWA56084 is a carbide-tipped rotary hammer drill bit designed for drilling into concrete, masonry, and similar hard construction materials. The bit measures 0.125 inches in diameter with a 2.5-inch flute length and a 4.5-inch overall length. A spear cutting shape at the tip concentrates force at the point of entry, helping the bit penetrate dense substrates efficiently. The round-with-flats shank provides positive engagement in rotary hammer chucks to reduce slippage under load. This bit is used by licensed contractors, electricians, plumbers, and HVAC technicians who need to anchor or route through concrete and masonry during rough-in work.

This drill bit is suited for light-duty rotary hammer applications in residential and commercial settings. It is commonly used to drill anchor holes, conduit pass-throughs, and fastener pilots in poured concrete, concrete block, and general masonry. The 0.125-inch diameter is a frequently called-for size when setting small anchors or drilling pilot holes for threaded rod and hardware in concrete substrates. It is sold individually and is a direct replacement or restock item for jobsite kits.

Key Features

• Carbide-tipped cutting edge resists wear when drilling concrete and masonry
• Spear cutting shape concentrates force at the entry point for clean starts in hard material
• Round-with-flats shank seats securely in rotary hammer chucks and reduces bit rotation in the chuck
• 2-flute design clears debris from the bore as the bit advances
• 4.5-inch overall length with 2.5-inch usable flute length suits standard anchor-depth requirements
• Lightweight at 0.036 pounds, minimizing added load on handheld rotary hammers

Compatibility

Designed as an OEM-style replacement rotary hammer drill bit compatible with standard round-with-flats chuck systems on light-duty rotary hammers used in concrete and masonry applications.

Installation Notes

Installation should be performed by a qualified tradesperson following applicable codes such as the NEC for electrical anchor work or the IPC and IFGC for plumbing and gas rough-in penetrations. Always power down the rotary hammer and verify the chuck is fully released before inserting or removing the bit. Wear appropriate PPE including eye protection and a dust mask when drilling concrete or masonry, as silica-containing dust is generated. Do not use this bit in a standard keyless drill chuck not rated for rotary hammer impact forces.