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 Included Case - M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

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

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 metal drilling

⚙️10x longer life with 8% cobalt M42 alloy

🛠️Three-flat shank for superior grip & stability

S$88

Duties & taxes included

In stock

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Description

⚡ Drill Like a Pro, Last Like a Legend!

STABLE SECURE GRIP - Three-flat shank design prevents slipping, delivering precise control on every drill.
UNMATCHED DURABILITY - Engineered with 8% cobalt M42 alloy for 10x longer lifespan than standard bits.
VERSATILE SIZE RANGE - Includes 14 essential sizes from 1/16" to 1/2" to tackle any metalworking project with confidence.
FAST CLEAN DRILLING - Thick web-helix and split point tips enable rapid material removal and reduced walking on tough metals.
HEAT RESISTANT PRECISION - Withstands extreme temperatures, ensuring consistent performance on stainless steel, titanium, and cast iron.

The BOSCH CO14B 14-Piece Cobalt Drill Bit Set features premium M42 cobalt alloy bits with 8% cobalt content, delivering 10x longer life and exceptional heat resistance. Designed for professional-grade metal drilling, this set includes 14 sizes with a three-flat shank for enhanced grip and stability, ideal for stainless steel, cast iron, titanium, and light-gauge metals. Its thick web-helix design and split point tips ensure fast, precise drilling, making it the go-to choice for demanding DIYers and metalworkers alike.

Specifications

ASIN	B07Q9HNTBH
Best Sellers Rank	#2,139 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Jobber Drill Bits
Brand Name	Bosch
Customer Reviews	4.6 4.6 out of 5 stars (7,109)
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 Type Name	Bosch CO14B 14 pc. Cobalt M42 Drill Bit Set
Item Weight	1 Pounds
Manufacturer	BOSCH
Material Type	Cobalt
Minimum Bore Diameter	0.06 Inches
Model	CO14B
Number of Flutes	3
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	14.0 Count
Warranty Description	Product Defects Only

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