Do these work with the small 1/4 drive impacts?

Yes, the DWA1790IR will work with the 1/4" Impact Driver.

Why do they advertise this as 7/8-Inch-1-1/8-Inch. Looks like it also does up to 7/8?

I think the statement implies that is capable of doing an 7/8 hole for an 1/2 ko, and an 1 1/8 for a 1 inch ko. Also its a great step bit!

has anyone used these with stainless steel ? im looking at regular use with ss electrical panels and sheeting up to 1/4" thick.

Yep, can be use with stainless steel like butter :)

Does these bits come in a carry case or bag

No, this will not include a case or bag.

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DEWALT Step Drill Bit, Impact Ready, 1/8-Inch-1/2-Inch (DWA1783IR)

DEWALT Step Drill Bit, Impact Ready, 1/8-Inch-1/2-Inch (DWA1783IR)

Product ID: 11691133

Details

Cutting Angle String
135 Degrees
Cutting Diameter
0.5 Inches
Finish Type
Titanium
Material
Titanium
Shank Type
Hex

🔢Laser-engraved step numbers for precision

🔩Split-point tip for faster starts

⚙️Titanium Nitride Coating for durability

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VT15641

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Description

🔧 Drill Smarter, Not Harder — The Pro’s Choice for Speed & Precision

UNMATCHED DURABILITY - Titanium Nitride coating extends bit life and resists wear under heavy use.
PRECISION SPEED START - Split-point tip ensures instant contact and faster drilling, saving you time on every project.
VISIBLE STEP MARKINGS - Laser-engraved numbers enhance step visibility, so you drill with confidence and accuracy every time.
EFFORTLESS CHIP REMOVAL - Two-flute spiral design optimizes debris ejection, keeping your work clean and efficient.
IMPACT DRIVER OPTIMIZED - 1/4-inch hex shank engineered for seamless compatibility with impact drivers and rotary drills.

The DEWALT Step Drill Bit (DWA1783IR) features a titanium nitride coating and a split-point tip for faster, cleaner drilling through metal. Its two-flute spiral design ensures superior chip removal, while laser-engraved step numbers provide clear size visibility. Optimized for impact drivers with a 1/4-inch hex shank, this bit delivers professional-grade durability and precision for metalworking tasks.

Specifications

ASIN	B0090IHBL4
Best Sellers Rank	#43,078 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #72 in Step Drill Bits
Brand Name	DEWALT
Customer Reviews	4.7 4.7 out of 5 stars (1,754)
Cutting Angle String	135 Degrees
Cutting Diameter	0.5 Inches
Finish Types	Titanium Nitride
Global Trade Identification Number	00885911294065
Included Components	Dewalt - DWA1783IR
Item Dimensions	6 x 2.88 x 0.75 inches
Item Type Name	Dewalt - DWA1783IR
Item Weight	0.01 Pounds
Manufacturer	DEWALT
Material Type	Titanium Nitride Coated
Minimum Bore Diameter	0.03 Inches
Model	DWA1783IR
Number of Flutes	2
Number of Pieces	1
Part Number	DWA1783IR
Point Style	Split Point
Shank Type	Hex
Surface Recommendation	Metal
Tool Flute Type	Spiral
UPC	885911294065
Unit Count	1.0 Count

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VT15641

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In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

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TrustScore 4.5 | 7,300+ reviews

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