Can you use these wet also or are they specifically for dry cutting?

These bits are designed to cut dry but can also be used wet.

How many holes can you expect out of these bits in porcelain and ceramic?

It is impossible to give a general answer due to factors such as tile thickness and hardness, rotation speed, pressure on the tile, using the correct cutting technique, etc.However, assuming that the diamond core-bits are used correctly, a 35 mm diameter FS Mondrillo drill bit, on a tile porcelain stoneware with a thickness of 7 mm can make several tens of holes, up to 50 holes and even more.

Can these be used to drill a hole through cement as well?

These bits are to not be used on cement application these bits are for ceramics, porcelain, terracotta, granite and marble.

Montolit Mondrillo Dry Diamond Core Bits

Name: Montolit Mondrillo Dry-Cutting Diamond Core Bits
Brand: Montolit
SKU: 5456-1/4 in
Price: 53.84 USD
Availability: InStock

Montolit Mondrillo Dry-Cutting Diamond Core Bits

Features

Bit sizes 1/4" - 5/8" come with a M14 Male - 5/8"-11 Threaded Female Adapter

5/8"-11 threaded arbor to be used on most angle grinders

For drilling all types of ceramics, gres porcealin, terracotta tiles, granite and marble

Use these drill bits when creating conduits for electrical wires, bathroom fittings and plumbing installations

Threaded adapter available for use in chuck drill

Montolit

Montolit Mondrillo Dry-Cutting Diamond Core Bits

From $53⁸⁴ USD

Montolit Mondrillo Dry-Cutting Diamond Core Bits Features Bit sizes 1/4" - 5/8" come with a M14 Male - 5/8"-11 Threaded Female Adapter 5/8"-11 threaded arbor...

Size

1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
1"
1-3/16"
1-3/8"
1-1/2"
1-3/4"
2"
2-3/16"
2-1/2"
2-3/4"
3"
4"

Type

Diamond Drill Bits

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Montolit Mondrillo Dry-Cutting Diamond Core Bits

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Montolit Mondrillo Dry-Cutting Diamond Core Bits

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Montolit Mondrillo Dry-Cutting Diamond Core Bits

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