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) | Cabinet Hardware Installation | Hinge Mounting | Pilot Hole Creation | Quick Change System | Door Fixture Applications

Product ID: 5403448

Details

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

🎯Self-centering precision

🔩Fits 1/4in drills perfectly

⚙️Clic-Change quick bit swap

COP 189006

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Description

⚡ Drill smarter, not harder — precision meets speed with Bosch Clic-Change!

COMPACT READY TO GO - Lightweight 3-piece set fits all 1/4 inch drills—perfect for on-the-go precision and productivity.
VERSATILE 3 PIECE SET - Includes #6, #8, and #10 shanks to tackle a wide range of cabinetry and hardware projects.
EFFORTLESS BIT SWAPPING - Tool-free, one-handed Clic-Change system slashes downtime and keeps your workflow seamless.
PINPOINT ACCURACY EVERY TIME - Self-centering design eliminates walking for flawless pilot holes and hinge installs.
BUILT FOR PROFESSIONALS DI YERS - Durable alloy steel bits engineered for consistent, clean drilling across multiple materials.

The Bosch CC2430 Clic-Change 3-piece drill bit set features a patented tool-free quick-change system and self-centering design for precise, efficient drilling. Compatible with all 1/4 inch drills, this alloy steel set includes #6, #8, and #10 bits ideal for cabinetry, hinge installation, and general woodworking. Trusted by professionals and DIY enthusiasts alike, it delivers consistent accuracy and reduces downtime for maximum productivity.

Specifications

ASIN	B0000TZX1M
Best Sellers Rank	#6,681 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Wood Drill Bit Sets
Brand Name	Bosch
Customer Reviews	4.7 4.7 out of 5 stars (6,814)
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 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	2
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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COP 189006

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered 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 Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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