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  11. IMPACT READY Step Drill Bit Set, 3-Piece
Dewalt IMPACT READY Step Drill Bit Set, 3-Piece DWA1790IR - main

IMPACT READY Step Drill Bit Set, 3-Piece

  • Mfr # DWA1790IR

  • Zoro # G7419072

product price: $87.89
/ea
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Key Features

Number of Pieces
3
Cutting Direction
Right Hand
Drill Bit Material
High Speed Steel
Includes
DWA1783IR (1/8 in to 1/2 in), DWA1784IR (3/16 in to 1/2 in), DWA1786IR (3/16 in to 7/8 in)
Size Range
1/8 in to 7/8 in
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Specifications

Product Information

MFR #
DWA1790IR
Zoro #
G7419072
UPC #
885911294102
Country of Origin
China

Dimensions

Size Range
1/8 in to 7/8 in
Shank Size
1/4 in
Step Thickness
5/32 in, 3/8 in
Sizes Included
1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"
Drill Bit Dimension Type
Fractional Inch
Bit Length
3-13/32", 3-1/2"
Number of Hole Sizes
31
Drill Bit Sizes Included
1/8 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in, 9/32 in, 5/16 in, 11/32 in, 3/8 in, 13/32 in, 7/16 in, 15/32 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in, 13/16 in, 7/8 in
Number Hole Sizes
31
Shank Hex Size
1/4 in
Minimum Hole Size
1/8 in
Shank Diameter
1/4 in
Maximum Hole Size
7/8 in
Smallest Drill Bit Size
1/8 in
Largest Drill Bit Size
7/8 in
Shank Length
1 in

Description

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.)

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