BOSCH CO2139 3/16 cala. x 3-1/2 cala. Wiertło kobaltowe

Brand:BOSCH

3.7/5

110.60

Nakrętki sześciokątne są najczęściej używanymi nakrętkami i będą działać w większości zastosowań. Mają standardową grubość i można je montować za pomocą klucza lub zestawu nasadek. Nakrętki śrub maszynowych to podzestaw gotowych nakrętek sześciokątnych przeznaczonych do użytku ze śrubami maszynowymi, które są zwykle znacznie mniejsze niż śruby.

Najlepiej nadaje się do wiercenia w lekkich metalach, stali wysokowęglowej, aluminium i stali stopowej, żeliwie, stali nierdzewnej i tytanie. Dostępne w długości roboczej, pełny trzonek. Powierzchnia utwardzona do penetracji twardych materiałów ściernych. Sztywna, gruba tkanina zwiększa stabilność bitu w trudnych zastosowaniach. Wytrzymuje zastosowania w wysokich temperaturach przez dłuższy czas (do 1100 stopni F).
Assembled Diameter ‎0.19 Inches
Batteries Included? ‎No
Batteries Required? ‎No
Brand BOSCH
Brand ‎BOSCH
Color ‎Metallic
Customer Reviews 4.7 4.7 out of 5 stars 767 ratings 4.7 out of 5 stars
Cutting Angle String 135 Degrees
Cutting Angle String ‎135 Degrees
Cutting Diameter ‎0.19 Inches
Included Components ‎Bosch CO2139 3/16 In. x 3-1/2 In. Cobalt Drill Bit
Is Discontinued By Manufacturer ‎No
Item Dimensions LxWxH 5.9 x 1.8 x 0.21 inches
Item Dimensions LxWxH ‎5.9 x 1.8 x 0.21 inches
Item model number ‎CO2139
Item Package Quantity ‎1
Item Weight ‎0.48 ounces
Manufacturer ‎Bosch
Material Cobalt
Material ‎Cobalt
Measurement System ‎Inch
Part Number ‎CO2139
Product Dimensions ‎5.9 x 1.8 x 0.21 inches
Shank Type 3-Flat
Shank Type ‎3-Flat
Size ‎3/16-Inch
Surface Recommendation ‎Aluminum,Stainless Steel,Cast Iron,Metal,Steel

3.7

9 Review
5 Star
81
4 Star
12
3 Star
4
2 Star
1
1 Star
2

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Scritto da: Michael Day
Item was as seller advertised
Item was as seller advertised
Scritto da: Faron Rogers
It's a drill
I drilled made some pre existing holes in a toy slightly larger with this drill bit. Worked as needed
Scritto da: Curtis W. Jackson
The Drill Bit That Got Through
The 3/16 In. x 3-1/2 In. Cobalt Drill Bit produced by the Bosch company was used by me in a handheld drill. The circumstance sucks because my rechargeable drill died, unable to power up. It’s probably the battery needing replacement. Whatever handheld or electric driller, Bosch CO2139 product is unlikely to require replacement for a good, long time. It is an attractive metal piece which fitted well in my drill. The drill bit dug favorably into wood and plaster boards, I did not try metal surfaces or anything harder because of my hands predicaments. Nonetheless, I feel assured ordering other drill bits from Bosch.
Scritto da: Amazon Customer
Held up very well while drilling stainless steel.
Bought two of these in different sizes for drilling stainless steel. After thoroughly searching the web for advice on drilling stainless, I found one post that made sense to me. The author stated that when drilling stainless, it makes no sense to lubricate the drill bit with any type of oil or lubricant. The objective is to cut the stainless while keeping it and the bit from becoming too hot. Lubricants only cause slippage. So I stacked washers on the stainless surface I was drilling and kept them filled with water. The water cooled the stainless and kept it from hardening before being cut. Also made sure to drill slowly as higher speeds build the heat faster. Drilled dozens of holes in this manner and the bits held up. The Bosch bits outperformed the Century bits that I also purchased.
Scritto da: rodger ball
Just what I wanted
Great product
Scritto da: Amazon Customer
Kind of worked
I bought two of these bits to go through a piece of 1/4" leaf spring steel. The steel turned out to be especially hard in some places, so the bits only worked for a few holes. One of the bits chipped out a bit. They might be okay for some light duty applications, but I'm not sure I'd get them again. I was able to find USA bits around the same price with higher cobalt content, lifetime warranty, and no breakage.
Scritto da: RIP
Good Product
what I wanted and expected to receive
Scritto da: Karla
Flattened surfaces to fit the chuck
Nice bits, especially for the price. Added feature are the flattened surfaces so it doesn’t slip in the chuck.
Scritto da: Vadim
Five Stars
great

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