Is the flat shank on all bits?

The shank is round for the bits sized 1/16” to 1/8”. For bits sized 13/64” to 1/2”, they have the three flat shank.

Will these drill thru stainless?

YES. The DWA1181 DEWALT 21-pack black oxide twist drill bit set is ideal for general-purpose drilling materials like metal. It’s no secret that stainless steel is in fact a metal. I’ve used the 9/16” version (not included in this set, but exact same parabolic flute 31 degree helix design) to drill perfect holes in very hard 1/4” thick stainless steel. Use a drill press, not a hand held drill, go slow and use a good lubricant like Anchor. The bit cuts very smoothly and the resulting hole is smooth and shiny inside. Just my 2 cents.

Are these universal? Do they fit most drills?

Yes, the largest drill bit shank in the DWA1181 is a 1/2".

Dewalt Dwa1181 21 Piece Set Black Oxide Coated Hss Twist

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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R1218

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Drill smarter, last longer — the pro’s choice for every surface!

31 HELIX ANGLE - Balanced aggression for deep, clean holes without wear
BLACK OXIDE COATING - Enhanced corrosion resistance for longer-lasting durability
135 SPLIT POINT TIPS - Drill on contact with zero walking for precision starts
PARABOLIC FLUTE DESIGN - Optimized chip ejection keeps your workflow smooth and fast
VERSATILE 21 PIECE SET - Covers metal, hardwood, PVC & more for every project

The DEWALT DWA1181 21-piece black oxide coated HSS twist drill bit set is engineered for professionals and DIYers alike, delivering precision and durability across metal, wood, PVC, and fiberglass. Featuring a corrosion-resistant black oxide finish, 135° split-point tips for accurate starts, and a parabolic flute design for efficient chip removal, this set ensures reliable performance and longevity in every drill.

Specifications

ASIN	B079VJMH6T
Best Sellers Rank	#36,382 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #150 in Power Drill Bit Sets
Brand	DEWALT
Brand Name	DEWALT
Customer Reviews	4.8 out of 5 stars 5,790 Reviews
Cutting Angle String	135 Degrees
Cutting angle string	135 Degrees
Finish Types	Black Oxide
Finish type	Black Oxide
Global Trade Identification Number	00885911426749
Included Components	(1) 21 Piece drill bit set
Item Dimensions	22.2 x 3.5 x 22.2 centimeters
Item Type Name	Drill Bits
Item Weight	454 g
Item dimensions L x W x H	22.2 x 3.5 x 22.2 centimeters
Manufacturer	DEWALT
Material	High Speed Steel (HSS)
Material Type	High Speed Steel (HSS)
Minimum Bore Diameter	2 Millimeters
Model	DWA1181
Number of Flutes	2
Number of Packs	1
Number of Pieces	21
Part Number	DWA1181
Point Style	Split Point
Set Name	21-Piece Set
Shank Type	Straight
Shank type	Straight
Surface Recommendation	Fiberglass,Metal,Plastic,Pvc,Wood
Tool Flute Type	Parabolic
UPC	885911426749

Reviews

P**L

Is what it is

Great set in one case. Issue with all of these, not just DeWalt, is getting the drill bit out and back in without slicing your fingers.

7.06.2024

M**.

The quality so far has been impeccable.

Despite the fact I don't use my drill often, any time I needed to do a job on some kind of difficult material, these drill bits have never failed me. Definitely worth the money.

1.04.2024

A**N

Good

Good condition but price a bit too high

24.12.2025

D**E

Works Great

Nice and sharp. Great assortment of sizes. Very durable. Sturdy case.

14.10.2026

J**E

Ótimas brocas

Ótimas brocas, show de bola.

25.07.2026

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R1218

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Received my product in pristine condition. Great service overall.