The DEWALT DWA1790IR IMPACT READY Step Drill Bit Set, 3-Piece, is suitable for drilling various hole sizes in steel and other specified materials. Each bit features a titanium nitride coating and spiral flute design to support chip removal and durability during use. The set includes three step drill bits with hex shanks, suitable for both rotary drills and impact drivers.

Key Features of the DEWALT DWA1790IR IMPACT READY Step Drill Bit Set:

• Step Range: Covers hole sizes from 1/8 in. to 7/8 in., providing flexibility across multiple applications.
• Titanium Nitride Coating: Titanium nitride coating on high speed steel construction
• Spiral Flute Design: Spiral flute design
• Split Point Tip: Split point tip intended to reduce walking at initial contact
• Laser-Engraved Markings: Laser-engraved markings provide visible step measurements
• Impact Rated & Hex Shank: Compatible with impact drivers; 1/4 in. hex shank fits standard chucks securely.
• Set Includes Three Bits: DWA1783IR (1/8 in.–1/2 in.), DWA1784IR (3/16 in.–1/2 in.), DWA1786IR (3/16 in.–7/8 in.)