What is the exact diameter of each bit include? Please, no "small" or "probably" answers.

Probably small ones..... Also they are listed in the "features & details" section. Gets you an answer much faster than waiting for someone else to tell you.

Will these drill through the bottom of a Clausen pickle jar?

Draw a line for the cut making sure a fabrot line marker is used for accuracy. Allow at least 1/8” for width of blade. Apply even pressure through out duration of cut. Be sure to wear gloves and ear protection when picking up glass shards and wife yelling “you are a moron but that’s partly why l still love after 40 years of marital bliss”.

When would you use these (for glass and tile) instead of the cylindrical diamond bits?

Thank you for your question. The GT2000 are designed for the lighter density of glass and wall tile or natural stone. If the tile is harder material like porcelain or granite it is recommended to use the diamond hole saws or cylindrical diamond bits. If you have further questions please feel free to contact our Bosch Customer Service Representatives at 1-877-BOSCH-99 (1-877-267-2499).

Do I need to purchase any other equipment, other than a cordless drill, to be able to make a 1/4" hole in a glass bottle?

Thank you for your question. You should not have to have anything other than a drill. When using the GT2000 bits they should drill through glass bottles as long as you use water to keep bit cool while drilling. If you have further questions please feel free to contact our Bosch Customer Service Representatives at 1-877-BOSCH-99 (1-877-267-2499)

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BOSCH 4-Piece Carbide Tipped Glass & Tile Drill Bit Set

Product ID: 358430701

Details

Cutting angle string
90 Degrees
Cutting diameter
6.35
Finish type
Oxide Coated
Material
Diamond
Shank type
3-Flat

⚡Innovative geometry for faster drilling

🎯Precision tip eliminates bit wander

💎Carbide tip with reinforced head for durability

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Description

🔧 Drill smarter, not harder — precision and speed in every spin!

BUILT TO LAST - High-quality carbide with reinforced heads resists cracking and extends bit life.
SLIP FREE GRIP - Three flat shank design prevents slippage, ensuring steady, confident drilling.
PINPOINT ACCURACY - Precision tip design stops bit walking for flawless holes every time.
SPEED MEETS CONTROL - Innovative bit geometry drills faster without sacrificing control or quality.
ALL IN ONE VERSATILITY - Four essential sizes cover glass, ceramic, tile, and mirror installations effortlessly.

The BOSCH GT2000 4-Piece Carbide Tipped Drill Bit Set features precision tips that prevent bit wander, durable carbide tips with reinforced heads to resist cracking, and innovative geometry for faster drilling. Designed with a three flat shank for superior grip, this versatile set includes four common sizes ideal for glass, ceramic, tile, and mirror applications, delivering professional-grade performance and longevity.

Specifications

ASIN	B001GNC8RI
ASIN	B001GNC8RI
Best Sellers Rank	#51,927 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #217 in Power Drill Bit Sets
Brand Name	BOSCH
Customer Reviews	4.0 4.0 out of 5 stars (3)
Customer reviews	4.0 4.0 out of 5 stars (3)
Cutting Angle String	90 Degrees
Cutting Diameter	6.35 Millimeters
Date First Available	11 August 2012
Department	Glass & Tile Drills
Finish Types	Oxide Coated
Global Trade Identification Number	00000346372342
Included Components	4 Bits: (1) 1/8", (1) 3/16", (1) 1/4", (1) 5/16"
Is Discontinued By Manufacturer	No
Item Type Name	....
Item Weight	0.08 Pounds
Item model number	GT2000
Manufacturer	Bosch
Manufacturer	Bosch
Material Type	Diamond
Minimum Bore Diameter	0.13 Inches
Model	GT2000
Number of Flutes	2
Number of Pieces	4
Part Number	GT2000
Point Style	Center Point
Set Name	4-Piece
Shank Type	3-Flat
Surface Recommendation	Glass
Tool Flute Type	Spiral
UPC	000346372342
Unit Count	1 Count
Warranty Description	no

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22404CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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