1/8" - 1/2" IMPACT READY(R) Step Drill Bit

The DEWALT DWA1783IR IMPACT READY Step Drill Bit is suitable for drilling multiple hole sizes in steel and similar materials. Featuring a 1/4 in. hex shank, this bit is compatible with both rotary drills and impact drivers, making it suitable for various electrical applications that require step drilling.

Key Features of the DEWALT DWA1783IR Step Drill Bit:

• Step Range: Drills holes from 1/8 in. to 1/2 in., covering 13 fractional inch sizes with 1/32 in. increments.


• Titanium Nitride Coating: Intended to enhance wear resistance and assist with chip removal.


• Split Point Tip: Intended to facilitate starting on contact and minimize bit movement at the initial point of entry.


• Double-Spiral Flute Design: Features two spiral flutes intended to aid in chip clearance from the cutting area.


• Laser-Engraved Markings: Each step includes laser-engraved numbers for visibility during use.


• Impact Rated: Engineered for use with impact drivers as well as standard rotary drills.


• Material Construction: Made from high speed steel, suitable for primary application on steel panels or boxes commonly found in electrical work environments.