How many size of drill bits?

Purchased June 2022: smallest 3/32, middle 7/64, and largest 1/8. Sizes are stamped on side of each piece.

want to know what the quick change is?

Clic-change is a GIMMICK. It is present on 100% of all quarter inch hex drill bits, driver bits, literally any quarter inch hex tool for a drill or driver. Since the '90s. Shame on Bosch for this advertisement.

Are the drill bits replaceable (in case one breaks)?

Each of the three self centering drills have allen set screws on the side of each unit that allow the drill bits to be removed and replaced. I use these drill bits all the time. It is easier and more accurate to drill a centered starter hole using these bits than trying to eyeball a hole and find out that it is not centered. Fast, accurate and easy to use. And I believe that the small drill bit is used is each of the drills.

Are the drill bits tapered ?

The drill bit themselves are straight, like any 'normal' drill bit. The size 6 is 3/32; size 8 is 7/64; and size 10 is 1/8" diameter. The tip of the housing is slightly tapered to facilitate centering, such as in the hole of hinge.

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⚡ Drill Smarter, Not Harder — The Ultimate Bit Upgrade

VERSATILE TRIO - Includes No. 6, No. 8, and No. 10 bits crafted from durable High Speed Steel with black oxide finish for long-lasting performance.
TOOL FREE FREEDOM - No tools needed to change bits, eliminating downtime and boosting your project momentum.
PRECISION PERFECTED - Self-centering bits reduce walking, delivering exact drill starts every time—because details matter.
SPEED MEETS EFFICIENCY - Clic-Change system enables lightning-fast, one-handed bit swaps to keep your workflow seamless.
BUILT FOR PROFESSIONALS - Engineered by Bosch, a trusted name with 70+ years of innovation, designed to meet the demands of your toughest jobs.

The Bosch CC2430 Clic-Change 3-Piece Bit Assortment features a patented quick-change system allowing fast, one-handed bit swaps without tools or re-chucking. Its self-centering design ensures precise drill starts with minimal walking. Crafted from high-speed steel with a black oxide finish, this set includes three versatile bits (No. 6, No. 8, No. 10) ideal for wood, metal, and plastic. Trusted Bosch engineering guarantees durability and professional-grade performance.

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Material	High Speed Steel (HSS)
Finish Type	Black Oxide
Shank Type	Straight
Brand	BOSCH
Tool Flute Type	Spiral
Surface Recommendation	Wood, Metal, Plastic
UPC	000346315608
Global Trade Identification Number	00000346315608
Manufacturer	Bosch
Number of Pieces	3
Item model number	CC2430
ASIN	B0000TZX1M

Bosch CC2430 Clic-Change 3-Piece No. 6, No. 8, and No. 10 Self-Centering Bit Assortment

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