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 pc. Cobalt M42 Drill Bit Set

Bosch CO14B 14 pc. Cobalt M42 Drill Bit Set

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

🔩Thick web-helix design for stability

⚙️8% cobalt alloy for 10x durability

£65.90

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Description

⚡ Drill Like a Pro, Last Like a Legend

PRECISION STABILITY - Thick web-helix design ensures superior bit stability and fast material removal, perfect for professional-grade metalwork.
UNMATCHED DURABILITY - 8% cobalt M42 alloy delivers 10x longer life than standard bits, so you drill with confidence every time.
VERSATILE SIZE RANGE - Includes 14 essential sizes from 1/16" to 1/2", covering all your metal drilling needs in one sleek set.
ENHANCED GRIP CONTROL - Split point tips and three-flat shanks on larger bits provide superior grip and precision, reducing bit walking.
HEAT RESISTANT PERFORMANCE - Engineered to withstand extreme temperatures, these bits keep cool under pressure for uninterrupted workflow.

The Bosch CO14B 14 pc. Cobalt M42 Drill Bit Set features premium 8% cobalt alloy bits engineered for 10x longer life and high-heat resistance. Designed with a thick web-helix for stability and precision, this set includes 14 versatile sizes ideal for drilling stainless steel, cast iron, titanium, and other tough metals. Perfect for professionals and serious DIYers seeking durability and performance in one trusted package.

Specifications

ASIN	B07Q9HNTBH
Best Sellers Rank	#1,827 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Jobber Drill Bits
Brand Name	Bosch
Customer Reviews	4.6 4.6 out of 5 stars (7,229)
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
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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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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£65.90

Duties & taxes included

In stock

Sold byAmazon UKDelivered 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 UK.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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