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Bosch Glass and Tile Drill Bit - 4-Piece Set - Carbide-Tipped - 3-Flat Shank

Article #19835447 Model #GT2000 Format 4PC

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Description

Create clean drill holes in glass and tile with these Bosch drill bits. This set includes 1/8-, 3/16-, 1/4- and 5/16-in dia bits. Precision points prevent these units from wandering or walking on the surface. With reinforced heads, these carbide-tipped drill bits avoid cracking for lasting use. They stay secure in the chuck due to their three-flat shank.

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★★★★★ ★★★★★

2.6

(30)

Details

Article #1983278

Rated 2 out of 5 by Builtmany from Dull fast These bits do not hold up very well when drilling hard porcelain. I got 1 or 2 holes with each bit before it was trash. I also kept the bit cool with water and drilled at a low speed. I don't know what to say but $45 of bits to drill 8 holes was expensive. As far as I know nobody makes a bit to drill porcelain efficiently. These are about average quality.

Date published: 2014-11-13

Rated 4 out of 5 by Teddyget from Not that great on glass Did not work that great on glass. You need to be very patient and diamond bits are a lot easer.

Date published: 2013-02-26

Rated 4 out of 5 by TomL from Good for stone drilling Used these bits for drilling into granite. Bit did get hot so added some cool water during drilling to keep things at a cool temp. Drilled the granite into a fine powder using a little bit of pressure on a normal hand drill. Better than other tips I've (attempted) to use.

Date published: 2017-12-27

Rated 4 out of 5 by Bog6 from Read back of package small print Read the fine print on back, these are made for ceramic not porcelain. Porcelain will burn them up however for ceramic it cuts like butter (little water of course) the large bit broke ( maybe a fluke) the others are still like new. Just make sure you use them in ceramic.

Date published: 2021-02-09