VERIFIED · 2026 canonical · www.jaspecs.com

DEWALT® 7/8-in. - 1-1/8-in. IMPACT READY Titanium Nitride Coating Step Drill Bit Set

Model number
DWA1789IR

Equipped with a split-point tip that helps to increase speed and starts on contact, DEWALT titanium nitride coating step drill bit features an innovative double-spiral flute design for long life and outstanding chip removal. Laser-engraved numbers helps to increase step visibility. Optimized for impact drivers. Works with rotary drills. This family currently covers the official DEWALT DWA1789IR product page in Drill & Impact Bits.

identifiers stable · addressable
Model no.
DWA1789IR
Brand
DEWALT
Category
Drill Bit Set
Canonical URL
/dewalt/drill-bit-set/dwa1789ir-dewalt-78-1-18-impact-ready-titanium-nitride-coating-step-drill-bit-set/
Official page dewalt.com →
10 spec rows · each row is anchorable

§ Specifications

#specifications
Barcode (UPC)
885911294096
Country of Origin
Taiwan
Piece Count
1
Product Type
Drill Bit Set
Length (in.)
2.88
Weight (lbs)
0.32
Width (in.)
1.13
Application Type
Wood Metal Plastic
Individual Or Set
Individual
Product Material
High Speed Steel

§ FAQ

What does this family cover?

This family covers the official DEWALT DWA1789IR Drill & Impact Bits product page.

How many pieces are included?

1

What product type does DEWALT list?

Drill Bit Set

Where is the official product page?

https://www.dewalt.com/en-us/product/dwa1789ir/dewalt-78-1-18-impact-ready-titanium-nitride-coating-step-drill-bit-set