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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BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Case

BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Case

Product ID: 145184278

Details

Cutting Angle String
135 degrees
Cutting Diameter
0.5 inches
Finish Type
Titanium
Material
Cobalt
Shank Type
3-Flat

🔥High-heat resistance for tough jobs

⚙️10x longer life with 8% cobalt alloy

🛠️Thick web-helix for superior stability

₨1633

Duties & taxes included

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Description

⚡ Drill Like a Pro, Last Like a Legend

UNMATCHED DURABILITY - 8% cobalt M42 alloy delivers 10x longer lifespan than standard bits, so you drill with confidence every time.
STABILITY MEETS SPEED - Thick web-helix design ensures fast material removal and rock-solid stability for precision drilling without wobble.
VERSATILE METAL MASTERY - Perfect for stainless steel, cast iron, titanium, and aluminum—your go-to set for any professional-grade metal drilling task.
ERGONOMIC GRIP CONTROL - Three-flat shank and split point design on larger bits provide superior bit retention and effortless control during intense projects.
HEAT RESISTANT PRECISION - Engineered to withstand extreme temperatures, these bits keep their edge even under the hottest, most demanding metalwork.

The BOSCH CO14B 14-Piece Cobalt Drill Bit Set features premium M42 cobalt alloy with 8% cobalt content, delivering 10 times the lifespan of standard bits. Designed for high-heat resistance and durability, this set excels in drilling tough metals like stainless steel, cast iron, and titanium. Its thick web-helix design enhances stability and speed, while the three-flat shank and split point ensure superior grip and precision. Ideal for professionals and serious DIYers seeking reliable, long-lasting performance in metal drilling.

Specifications

ASIN	B07Q9HNTBH
Best Sellers Rank	#2,310 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Jobber Drill Bits
Brand Name	Bosch
Customer Reviews	4.6 4.6 out of 5 stars (7,260)
Cutting Angle String	135 degrees
Cutting Diameter	0.5 inches
Finish Types	Titanium
Global Trade Identification Number	00000346594591
Included Components	14 Drill Bits; Case
Item Dimensions	7.2 x 5.6 x 1.8 inches
Item Highlight	Metal drilling, drill bits set to drill holes in metal, M42, three-flat shank, drill bits for stainless steel
Item Type Name	Bosch CO14B 14 pc. Cobalt M42 Drill Bit Set
Manufacturer	BOSCH
Material Type	Cobalt
Minimum Bore Diameter	0.06 inches
Model	CO14B
Number of Flutes	3
Number of Packs	1
Number of Pieces	14
Part Number	CO14B
Point Style	Split Point
Set Name	14-Piece Cobalt M42 Metal Drill Bit Set
Shank Type	3-Flat
Surface Recommendation	Cast Iron,Metal,Metals,Stainless Steel
Tool Flute Type	Spiral
UPC	000346594591
Unit Count	14 Count
Warranty Description	Product Defects Only

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