BOSCH CO2157 15/32 inch. x 5-3/4 inch. Kobalt boor

Brand:BOSCH

3.5/5

37.44

Het beste te gebruiken voor het boren in licht metaal, koolstofstaal, aluminium en bondgenootstaal, gietijzer, roestvrij staal en titanium. Verkrijgbaar in jobber-lengte, volledige schacht. Oppervlak gehard om door harde schurende materialen te dringen. Stijf, dik webontwerp voegt stabiliteit toe aan de bit in zware toepassingen. Bestand tegen toepassingen bij hoge temperaturen gedurende langere tijd (tot 1100 graden F).

Het beste te gebruiken voor het boren in licht metaal, koolstofstaal, aluminium en bondgenootstaal, gietijzer, roestvrij staal en titanium. Verkrijgbaar in jobber-lengte, volledige schacht. Oppervlak gehard om door harde schurende materialen te dringen. Stijf, dik webontwerp voegt stabiliteit toe aan de bit in zware toepassingen. Bestand tegen toepassingen bij hoge temperaturen gedurende langere tijd (tot 1100 graden F).
Batteries Included? ‎No
Batteries Required? ‎No
Brand BOSCH
Brand ‎BOSCH
Customer Reviews 4.5 4.5 out of 5 stars 53 ratings 4.5 out of 5 stars
Finish ‎Titanium
Finish Type Titanium
Finish Type ‎Titanium
Included Components
Item model number ‎CO2157
Item Package Quantity ‎1
Item Weight ‎3.2 ounces
Manufacturer ‎Bosch
Material Cobalt
Material ‎Cobalt
Measurement System ‎Inch
Part Number ‎CO2157
Shank Type 3-Flat
Shank Type ‎3-Flat
Surface Recommendation ‎Alloy Steel
Tool Flute Type Spiral
Tool Flute Type ‎Spiral
Warranty Description ‎No

3.5

10 Review
5 Star
68
4 Star
22
3 Star
6
2 Star
0
1 Star
3

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Scritto da: Shooter McGavin
Works pretty good on most stuff
The bit worked pretty good with cutting oil until I went to drill on a coil spring and the bit actually chipped one side of the lower part of the bit. It might still work for drilling softer metal or if I clean it up on the grinder, but appears to be a casting with the bit polished and ground down to look forged. I would probably suggest buying at a local store to get a warranty on a bit honestly. The next bit this size I buy will be at a local store that has a warranty on it.
Scritto da: Michael A Matthews
Good bit
Good bit
Scritto da: criticinOH
Works OK.
It drilled holes in steel as expected. I haven't drilled enough to comment on longevity or durability.
Scritto da: Paul D. Siverling
Great drill bits.
Used these to drill out a wheel stud on my Jeep worked perfectly.
Scritto da: Pappie
excellent drill bit for the price
Excellent bit . Cut through steel with no effort.
Scritto da: Appleisme
Solid, sharp hard working twist bit
Cuts through metal like cold butter, holes are smooth and clean! ONLY problem is with this bit it was difficult to resharpen.
Scritto da: N Papadopoulos
Used to drill 1/4 316 stainless. Worked well using ...
Used to drill 1/4 316 stainless. Worked well using cutting fluid as a lubricant. Don't let the drill get too hot, and run at 650 RPM max. Still sharp after 20 holes.
Scritto da: Mike reynolds
Not for hard steal
Trying to drill axle flanges for larger wheel studs didn’t even get two holes before the bit died
Scritto da: Rick H.
Five Stars
It might be the best drill bit I have ever purchased.
Scritto da: Nexus
Punched through! Great bit
Bought this as I needed to drill though some pretty thick steel (thickest point was about an 8th of an inch). It handled the job perfectly. It cut through pretty quickly, and did not start to chip apart, wear out or fade. Looks and feels strong. Had good weight to it too, adding to the quality feel. Not much else to say. Would recommend it for sure.

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