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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Bosch CC2430 Clic-Change 1/4in Self-Centering Drill Bit Set (3 Piece)

Bosch CC2430 Clic-Change 1/4in Self-Centering Drill Bit Set (3 Piece)

Product ID: 5403448

Details

Cutting Angle String
135 degrees
Cutting Diameter
0.25 inches
Finish Type
Black Oxide
Material
Alloy Steel
Shank Type
Straight

🎯135° precision cutting angle

⏱️tool-free quick bit change

⚙️3-piece self-centering set

KD 13.80

Duties & taxes included

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Description

🔧 Drill Like a Pro, Change Bits in a Snap!

VERSATILE 3 PIECE SET - Includes #6, #8, and #10 shanks to cover a wide range of cabinet and door hardware projects.
EFFORTLESS BIT SWAPPING - Clic-Change system enables fast, tool-free, one-handed bit changes—cut downtime, boost productivity.
DURABLE ALLOY STEEL BUILD - Black oxide finish and premium alloy steel ensure long-lasting sharpness and resistance to wear.
PINPOINT ACCURACY EVERY TIME - Self-centering design eliminates bit walking for perfectly aligned pilot holes and hinge installations.
PROFESSIONAL RESULTS FOR ALL SKILL LEVELS - Engineered to help novices and pros alike achieve flawless, clean, and precise screw placements.

The Bosch CC2430 Clic-Change 1/4in Self-Centering Drill Bit Set is a 3-piece precision tool kit designed for fast, tool-free bit changes and flawless pilot hole drilling. Featuring a self-centering mechanism and a durable black oxide alloy steel construction, it’s ideal for cabinet hinge installation and hardware mounting, delivering professional-grade accuracy and efficiency for both DIYers and seasoned craftsmen.

Specifications

ASIN	B0000TZX1M
Best Sellers Rank	#7,457 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Wood Drill Bit Sets
Brand Name	Bosch
Customer Reviews	4.6 4.6 out of 5 stars (6,828)
Cutting Angle String	135 degrees
Cutting Diameter	0.25 inches
Finish Types	Black Oxide
Global Trade Identification Number	00000346315608
Included Components	Self-centering drill bits with 1/4" hex shank: (1) #6, (1) #8, (1) #10
Item Highlight	Cabinet Hardware Installation \| Hinge Mounting \| Pilot Hole Creation \| Quick Change System \| Door Fixture Applications
Item Type Name	CC2430 3 Pc. Self-Centering Bit Set
Item Weight	0.27 g
Manufacturer	Bosch
Material Type	Alloy Steel
Minimum Bore Diameter	0.25 inches
Model	CC2430
Number of Flutes	3
Number of Pieces	3
Part Number	CC2430
Point Style	Center Point
Set Name	3-Piece Set
Shank Type	Straight
Surface Recommendation	Acrylonitrile Butadiene Styrene,Acrylic,Aluminum,Brass,Copper,Maple,Medium Density Fibreboard,Metal,Nylon,Oak,Pine,Plastic,Polycarbonate,Poly Vinyl Chloride,Steel,Wood
Tool Flute Type	Straight
UPC	000346315608
Unit Count	3 Count
Warranty Description	1 Year

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