Dewalt DW5521 Sds Plus Carbide Drill Bit 1/4x12x14 in

Product Description

The DEWALT DW5521 is a solid carbide SDS Plus rotary hammer drill bit engineered for aggressive drilling into concrete, masonry, and solid rock. It measures 0.25 inches in diameter with a 12-inch working length and a 14-inch overall length, giving tradespeople extended reach in deep-anchor and through-slab applications. The SDS Plus shank provides positive tool retention and efficient hammer energy transfer in compatible rotary hammer tools. This bit is suited for electrical, plumbing, HVAC, and general construction trades that need reliable carbide performance in hard substrate drilling tasks.

The DW5521 is designed for use with SDS Plus rotary hammers in residential and commercial construction settings. Typical applications include drilling anchor holes in concrete foundations, core penetrations through masonry block, and conduit or pipe sleeve openings through solid rock or reinforced slabs. It is a standard trade-use bit for licensed electricians, plumbers, HVAC installers, and general contractors working with concrete anchoring systems or mechanical penetrations.

Key Features

• Solid carbide tip construction for durability in concrete, masonry, and solid rock
• SDS Plus shank for positive retention and high hammer-energy transfer
• 0.25-inch diameter suits standard anchor and sleeve sizing
• 14-inch overall length provides extended reach for deep or through-slab drilling
• 12-inch usable flute length maximizes debris evacuation in deep holes

Compatibility

Designed for use with SDS Plus rotary hammer tools. Fits any rotary hammer accepting the standard SDS Plus chuck interface.

Installation Notes

Installation of this bit should be performed by qualified tradespeople familiar with rotary hammer operation. Always power down and disconnect the hammer tool before inserting or removing the bit. Wear appropriate PPE including eye protection and hearing protection when operating rotary hammer equipment in concrete or masonry. Consult applicable building and mechanical codes for anchor spacing, embedment depth, and penetration sleeve requirements specific to the job.

Technical Specifications

• Shank Type: SDS Plus
• Drill Diameter: 0.25 inches
• Working Length: 12 inches
• Overall Length: 14 inches
• Tip Material: Solid Carbide
• UPC: 885911093972
• Sold As: Each

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: DW5521