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Bosch co2143b m42 cobalt 1/4 x 4" drill bit $2.89 at Amazon +other sizes available

$2.89
$7.09
+5 Deal Score
1,819 Views
Amazon has a number of its Bosch m42 cobalt drill bits for 40-50% off. I bought a couple of these 1/4" bits for $2.89. Nearest competitor is $4 and list is $7.

https://www.amazon.com/BOSCH-CO21...B07QBWPVQW
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Created 03-12-2024 at 01:20 PM by lobo411
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Score
+5
1,819 Views
$2.89
$7.09

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Model: BOSCH CO2143B 1-Piece 1/4 In. x 4 In. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

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Sort: Lowest to Highest | Last Updated 5/7/2024, 09:34 AM
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Amazon$2.99
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Joined Dec 2018
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burntorangehorn
03-13-2024 at 04:11 AM.
03-13-2024 at 04:11 AM.
I have a set of Bosch M42. Very good value, but look into cobalt bits. They're best for drilling into metal on a drill press. M42 is too brittle for many people to use in a hand-held drill.
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Joined Jan 2022
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> bubble2 151 Posts
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AquaKite9796
03-17-2024 at 10:35 AM.
03-17-2024 at 10:35 AM.
Love cobalt drills and end mills. Can't justify carbide for home hobbyist mill.
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Joined Mar 2016
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eddie277
04-03-2024 at 02:08 PM.
04-03-2024 at 02:08 PM.
Quote from burntorangehorn :
I have a set of Bosch M42. Very good value, but look into cobalt bits. They're best for drilling into metal on a drill press. M42 is too brittle for many people to use in a hand-held drill.

Agreed. Molybdenum m7 are my go to for cordless drills. Can get them cheaper then this per bit too off ebay from drill hog. Come in 12 pack for 1/4"
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