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The DEWALT ACCESSORIES DWA1414 is a two-piece drill and tap set designed for creating and repairing internal threads in metal applications. The set includes a 5/16-inch split point drill bit and a 3/8-16 NC tap, both manufactured from high-carbon steel. The drill bit features a black oxide coating for added wear resistance and a patented core diameter that reduces breakage during use. This combination set is built for repetitive threading work where bit integrity and tap alignment matter. Machinists, metal fabricators, and maintenance technicians reach for this set when threading new holes or chasing damaged threads in ferrous and non-ferrous metals.
The DWA1414 is suited for use in metal fabrication shops, maintenance and repair operations, and general industrial environments. The 3/8-16 NC thread specification is one of the most common coarse-thread standards in North American fastener applications, making this set a practical addition to any tap and die collection. The pairing of a matched drill bit with the correct tap eliminates guesswork on drill sizing and keeps the workflow moving on the bench or in the field.
Designed as an OEM-style replacement and general-use tap set for 3/8-16 NC coarse-thread applications in metal workpieces.
Tap and die work should be performed by a qualified machinist or tradesperson familiar with thread cutting procedures. Secure the workpiece firmly before drilling and use appropriate cutting fluid to extend tap life and improve thread finish in steel or cast iron. Follow standard hand-tapping practice by backing off the tap periodically to break chips and prevent tap binding. Never force a tap in a blind hole, as breakage may result in a damaged workpiece.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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