BOSCH CO2142 15/64 In. x 3-7/8 In. Cobalt Drill Bit

Brand:BOSCH

3.7/5

26.98

PRODUCT DESCRIPTION BOSCH cobalt drill bits are specially designed for drilling in hard steel. Thick web helix delivers fast material removal combined with increased durability for maximum efficiency and performance. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch. FROM THE MANUFACTURER Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium.

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Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium. Available in jobber length, full shank. Surface hardened to penetrate tough abrasive materials. Rigid, thick web design adds stability to bit in tough applications. Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF).
Batteries Included? ‎No
Batteries Required? ‎No
Brand BOSCH
Brand ‎BOSCH
Customer Reviews 4.6 4.6 out of 5 stars 144 ratings 4.6 out of 5 stars
Finish ‎Black Oxide
Finish Type Black Oxide
Finish Type ‎Black Oxide
Item model number ‎CO2142
Item Package Quantity ‎1
Item Weight ‎0.8 ounces
Manufacturer ‎Bosch
Material Cobalt
Material ‎Cobalt
Measurement System ‎Inch
Part Number ‎CO2142
Shank Type 3-Flat
Shank Type ‎3-Flat
Surface Recommendation ‎Abs,Acrylic,Aluminum,Brass,Copper,Maple,Mdf,Metal,Nylon,Oak,Pine,Plastic,Polycarbonate,Pvc,Steel,Wood
Tool Flute Type Spiral
Tool Flute Type ‎Spiral
Warranty Description ‎No

3.7

8 Review
5 Star
76
4 Star
16
3 Star
5
2 Star
2
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1

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Scritto da: sean
Went dull pretty quick
Made it about 90% through a inch and a half piece of cast iron but wouldn’t finish. I kept it very oiled too
Scritto da: Darius K.
Won My Hard Steel Test
I've been testing various cobalt drill bits against hard steel on my drill press. My "hard steel" sample is a used Woods mower blade, about 1/4" thick. Not only did this bit drill through the blade, it "won" my tests. Others that cut through the blade were made by Irwin and Century. Two styles of Milwaukee bits would not drill through (still ok for mild steel). I did not test Dewalt because I can't buy a single 15/64" bit.
Scritto da: Go n
Sharp!
It stays sharp.
Scritto da: J. Hiatt
It is a drill bit and you put it in a drill to make holes
It is a drill bit. Not much more that that. Used is a couple of times and it has stayed sharp and not discolored
Scritto da: RSM
Good drill bits very tough
Good for hard steel
Scritto da: Amazon Customer
Better than any of the crap from lowes or home ...
Better than any of the crap from lowes or home depot or a box store. This cuts through steel easily
Scritto da: John Coulter
Strong bit
Nice quality
Scritto da: Christopher Vilchek
Five Stars
Good Product

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