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.

Bosch Co14b 14 Pc Cobalt M42 Drill Bit Set

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

€ 101.39

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered 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 Belgium.

Secure transaction

Description

🔧 Drill Like a Pro, Last Like a Legend

PRECISION STABILITY - Thick web-helix design reduces bit wobble for smooth, accurate drilling in hard metals.
UNMATCHED DURABILITY - Engineered with 8% cobalt M42 alloy delivering 10x longer life than standard bits.
ERGONOMIC GRIP RANGE - Includes 14 jobber-length bits with 3-flat shanks and split points for superior bit retention and control.
VERSATILE METAL MASTERY - Perfectly drills stainless steel, cast iron, titanium, aluminum, and more with hardened tips.
HEAT RESISTANT PERFORMANCE - Withstands extreme temperatures, ensuring consistent precision in high-heat applications.

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. Its thick web-helix design ensures stability and fast material removal, while split-point tips and 3-flat shanks provide superior grip and precision. Ideal for professionals tackling stainless steel, cast iron, titanium, and other tough metals, this set offers unmatched durability and versatility in a compact, jobber-length package.

Specifications

ASIN	B07Q9HNTBH
Best Sellers Rank	#6,484 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Jobber Drill Bits
Brand	BOSCH
Brand Name	BOSCH
Customer Reviews	4.6 out of 5 stars 2,646 Reviews
Cutting Angle String	135 Degrees
Cutting Diameter	6.35 Millimeters
Cutting angle string	135 Degrees
Cutting diameter	6.35 Millimeters
Finish Types	Titanium
Finish type	Titanium
Global Trade Identification Number	00000346594591
Included Components	14 Drill Bits; Case
Item Dimensions	18.3 x 14.2 x 4.6 centimeters
Item Type Name	Bosch CO14B 14 pc. Cobalt M42 Drill Bit Set
Item Weight	1 Pounds
Manufacturer	BOSCH
Material	Stainless Steel Cobalt
Material Type	Stainless Steel 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 Assorted Set
Shank Type	3-Flat
Shank type	3-Flat
Surface Recommendation	Metal
Tool Flute Type	Spiral
UPC	000346594591
Unit Count	1 Count
Warranty Description	Product Defects Only

Reviews

J**.

Calidad inmejorable

Las mejores brocas, que puedes encontrar en el mercado para perforar, el hierro forjado y el acero inoxidable

20.05.2025

D**R

Alles Gut

20.07.2026

S**N

Great Qaulity

Excellent much better than the basic ones

11.06.2026

L**I

forets à métaux de très bonne qualité

Impeccable - de très bonne qualité - pas besoin de forcer - à voir à l'usage mais je reste confiante

3.01.2026

A**R

Vale cada centavo.

Produtos com qualidade Bosch dispensam comentários. Essas brocas são excelentes!!! Tornaram o trabalho mais fácil, preciso e com acabamento impecável. Vale cada centavo!

16.05.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

€ 101.39

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered 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 Belgium.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Anjali K.

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

1 month ago