Irwin Cobalt Drill Bit Individual 1/4 Inch
Sponsored link · confirm price and availability on Amazon · updated October 16, 2026
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Irw in Cobalt Drill Bit Individual 1/4 Inch
A single 1/4-inch cobalt drill bit from Irw in for drilling hardened steel, stainless and other tough metals.
View on AmazonPros
- Cobalt steel holds its edge in hard metals
- Heat resistant for drilling stainless steel
- Buy only the size you need instead of a full set
- Widely available replacement size
Cons
- Cobalt bits are brittle and can snap if side-loaded
- Needs low speed and cutting fluid for best life
- More expensive than standard HSS bits
Is the Irw in Cobalt Drill Bit Individual 1/4 Inch worth it?
Yes, for the right buyer. The Irw in Cobalt Drill Bit Individual 1/4 Inch ranks #2 in our Best Drill Bits for Hardened Steel 2026 list (best single bit). Its biggest strength: cobalt steel holds its edge in hard metals. The ma in caveat: cobalt bits are brittle and can snap if side-loaded.
Alternatives to the Irw in Cobalt Drill Bit Individual 1/4 Inch
Products ranked near it in our research, each better for a slightly different buyer.
Buying advice: power tools
- 1Major platforms each cover hundreds of tools. Choose one with the specialty tools you may need later.
- 2Brushless motors are more efficient and durable. Brushed tools are fine for occasional light use.
- 3Kits include batteries and a charger. Once you own batteries, bare tools are much cheaper.
- 412V tools are compact for light work. 18V or 20V max tools handle most home projects. Higher-voltage platforms suit heavy cutting.
- 5Check tool and battery warranty lengths and whether registration is required.
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FAQ
Common questions
Is the Irw in Cobalt Drill Bit Individual 1/4 Inch worth buying?
Yes, for the right buyer. The Irw in Cobalt Drill Bit Individual 1/4 Inch ranks #2 in our Best Drill Bits for Hardened Steel 2026 list (best single bit). Its biggest strength: cobalt steel holds its edge in hard metals. The ma in caveat: cobalt bits are brittle and can snap if side-loaded.
Who is the Irw in Cobalt Drill Bit Individual 1/4 Inch best for?
Based on our research it suits hardened steel 2026. It's ranked #2 of 10 in our Best Drill Bits for Hardened Steel 2026 list.
What are the downsides of the Irw in Cobalt Drill Bit Individual 1/4 Inch?
The ma in trade-offs owners and reviewers point to: cobalt bits are brittle and can snap if side-loaded; needs low speed and cutting fluid for best life; more expensive than standard HSS bits.
What are the key features of the Irw in Cobalt Drill Bit Individual 1/4 Inch?
M42 cobalt, 1/4 inch and 135-degree split point.
What are the best alternatives to the Irw in Cobalt Drill Bit Individual 1/4 Inch?
Worth comparing: Irw in Cobalt Drill Bit Set 29-Piece, DeWALT DWA1269 Cobalt Drill Bit Set 29-Piece and Bosch CO14B Cobalt M42 Drill Bit Set 14-Piece. Each ranks near it in our research for a slightly different buyer.
Where can I buy the Irw in Cobalt Drill Bit Individual 1/4 Inch?
It's sold on Amazon. Prices and stock change often, so check the current listing before you buy, our link takes you straight to it.
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