The manufacturer states that this set is 8% cobalt, which would make this set grade M42. In the previous question the manufacturer states that this set is M35, which has only 5% cobalt.

Sorry in advance if this is a dumb question. new diy'er. will these be ok and fit chuck of a dewalt hammer drill? thank you!!

Yes they'll fit any drill chick the only thing they do not fit impact drivers those require a hex shank they will fit but never use the hammer setting with thest bits it'll ruin them

i have a lowes trailer made of thin angle iron having trouble drilling 1/4 inch holes what type bits do i need

These cobalt bits should work fine for that.

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DEWALT Cobalt Alloy Steel Drill Bit Set with Pilot Point, 14-Piece (DWA1240)

DEWALT Cobalt Alloy Steel Drill Bit Set with Pilot Point, 14-Piece (DWA1240)

Product ID: 21156672

Details

Brand
DEWALT
Cutting Angle String
135 Degrees
Finish Type
Cobalt Alloy
Material
Cobalt Alloy
Shank Type
Straight

📦Connectable ToughCase+ storage

🔩Cobalt alloy steel for durability

⚙️14-piece precision set

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Description

🔧 Drill smarter, not harder — the pro’s choice for unstoppable precision.

BUILT TO LAST - Cobalt alloy steel construction ensures maximum speed and longevity in hard metals.
ORGANIZE LIKE A PRO - Patented bit-bar design and clear lid let you customize and access bits instantly.
SPACE SMART STORAGE - Connectable ToughCase+ system optimizes your workspace and keeps bits secure.
PRECISION MEETS POWER - Pilot point tips eliminate bit walking for flawless starts every time.
VERSATILE METAL MASTERY - Engineered for stainless steel, i-beams, angle iron, and more — drill with confidence.

The DEWALT 14-piece Cobalt Alloy Steel Drill Bit Set (DWA1240) features industrial-grade cobalt steel with pilot point tips designed to prevent bit walking and maximize drilling speed in hard metals. Housed in a patented bit-bar ToughCase+ system, it offers customizable, connectable storage with a clear lid for quick bit identification. Ideal for professionals tackling stainless steel, i-beams, and other tough materials, this set combines durability, precision, and space-saving innovation.

Specifications

ASIN	B015J5HU4Y
Best Sellers Rank	#24,484 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #18 in Wood Drill Bit Sets
Brand Name	DEWALT
Customer Reviews	4.6 4.6 out of 5 stars (2,447)
Cutting Angle String	135 Degrees
Finish Types	Cobalt Alloy Steel
Global Trade Identification Number	00885911410861
Included Components	DWA1240 - (14) Piece Cobalt Alloy Steel Drill Bit Set
Item Dimensions	8.75 x 1.74 x 8.75 inches
Item Type Name	Tool
Item Weight	362 Grams
Manufacturer	DEWALT
Material Type	Cobalt Alloy Steel
Minimum Bore Diameter	3 Millimeters
Model	DWA1240
Number of Flutes	2
Number of Pieces	14
Part Number	DWA1240
Point Style	Pilot Point
Set Name	14-Piece
Shank Type	Straight
Surface Recommendation	Alloy Steel,Iron,Metal,Metals,Stainless,Stainless Steel,Steel
Tool Flute Type	Spiral
UPC	885911410861
Unit Count	1.0 Count

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In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

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