Length of the bits for each diameter?

"Hi there, please see the following model with diameter and length size of the bits that comes in CO14B; CO2131 - 1/16"" - 1.875"" CO2132 - 5/64"" - 2.0"" CO2133 - 3/32"" - 2.5"" CO2134 - 7/64"" - 2.625"" CO2135 - 1/8"" - 2.75"" CO2136 - 9/64"" - 2.875"" CO2137 - 5/32"" - 3.125"" CO2139B - 3/16"" - 3.5"" CO4141 - 7/32"" - 3.75"" CO2145 - 1/4"" - 4.5"" CO2147 - 5/16"" - 4.5"" CO2151 - 3/8"" - 5.0"" CO2159 1/2"" - 6.0"" For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST."

Where is the 5/64" individual bit? (The only one I need to replace, of course!)

You always have to order any single bit or bit replacement separately, unless you can convince the company otherwise.

Does Bosch make a metric set????

This COB14B Drill bit set is at a standard or imperial measurement. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

Do either of the sets come with a bit holder? If not, what size bit holder would work?

The CO14B set doesn't come with a bit holder. The bits will work with drills that caters straight shank bits and three-flat shank bits. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7AM-7PM CST.

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🛠️ Drill Like a Pro, Last Like a Legend

ORGANIZED ON THE GO - Compact, durable case keeps your bits secure and ready for action—perfect for the professional constantly on the move.
UNMATCHED DURABILITY - Engineered with 8% Cobalt M42 alloy delivering 10x longer life than standard bits—built to outlast your toughest projects.
PRECISION PENETRATION - Surface-hardened tips slice through stainless steel, titanium, and cast iron with ease—no more compromises on quality.
VERSATILE 14 PIECE SET - From 1/16" to 1/2", this comprehensive assortment covers all your drilling needs in metals and light-gauge materials.
HEAT RESISTANT PERFORMANCE - Stay cool under pressure with bits designed to withstand extreme temperatures without losing edge or precision.

The BOSCH CO14B 14-Piece Assorted Set features premium M42 Cobalt drill bits with 8% cobalt content, engineered for exceptional durability and heat resistance. Designed for precision drilling in stainless steel, titanium, cast iron, and light metals, this set includes a range of sizes housed in a sturdy case, making it the ultimate choice for professionals demanding reliability and performance.

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Manufacturer	BOSCH
Part Number	CO14B
Package Dimensions	22.3 x 11.7 x 4.2 cm; 453.59 g
Item model number	CO14B
Size	14 pc. Drill Bit Set
Colour	Solid Black
Finish	Titanium
Material	Cobalt
Item Package Quantity	1
Measurement System	Inch
Included Components	14 Drill Bits; Case
Batteries included?	No
Batteries Required?	No
Item Weight	454 g

BOSCH CO14B 14-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

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