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.

We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

BOSCH CO14B 14 Piece Assorted Set with Case - Cobalt M42 Metal Drill Bits with 3 Flat Shanks for Drilling Applications in Stainless Steel, Cast Iron, Titanium and Light Gauge Metal

BOSCH CO14B 14 Piece Assorted Set with Case - Cobalt M42 Metal Drill Bits with 3 Flat Shanks for Drilling Applications in Stainless Steel, Cast Iron, Titanium and Light Gauge Metal

Product ID: 729306852

Details

Brand
Bosch
Cutting Angle String
135 Degrees
Finish Type
Titanium
Material
Cobalt
Shank Type
Straight

🔥High Heat Resistance - withstands intense drilling temps

⚙️M42 Cobalt Alloy - 8% cobalt for 10x durability

🛠️Thick Web Helix - enhanced stability on tough metals

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

KD 30.84

Duties & taxes included

In stock

Sold byAmazon KUWAITDelivered 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 KUWAIT.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Description

🔥 Drill Like a Pro, Last Like a Legend ⚙️

PRECISION STABILITY - Thick web helix design minimizes bit wobble, delivering clean, accurate holes every time on the hardest materials.
UNMATCHED DURABILITY - Engineered with premium M42 cobalt alloy for 10x longer life than standard bits, perfect for relentless pros.
VERSATILE 14 PIECE SET - From 1/16" to 1/2", this comprehensive assortment covers all your drilling needs in metals like cast iron and lightweight gauge metals.
HEAT DEFYING PERFORMANCE - Stay cool under pressure—these bits resist high temperatures, ensuring consistent precision on stainless steel and titanium.
PORTABLE PROFESSIONALISM - Comes in a sleek, durable case—carry your trusted toolkit with confidence and never miss a beat on the job.

The BOSCH CO14B 14 Piece Assorted Set features premium M42 cobalt drill bits with 8% cobalt content, delivering 10 times longer life and superior heat resistance. Designed for drilling through stainless steel, cast iron, titanium, and light gauge metals, this set includes 14 sizes housed in a durable case, making it the ultimate choice for professionals demanding precision, durability, and versatility.

Specifications

ASIN	B07Q9HNTBH
Amazon Bestseller	#605,976 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #1,625 in Wood Drill Bit Sets
Brand Name	Bosch
Customer Reviews	4.6 4.6 out of 5 stars (3,896)
Cutting Angle String	135 Degrees
Finish Types	Titanium
Global Trade Identification Number	00000346594591
Included Components	14 Drill Bits, Case
Item Dimensions	18.3 x 14.2 x 4.6 cm
Item Type Name	BOSCH CO14B 14 pcs Cobalt M42 Drill Bit Set
Item Weight	454 g
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
Shank Type	Straight
Surface Recommendation	Cast Iron, Metal, Metals, Stainless Steel
Tool Flute Type	Spiral
UPC	000346594591
Unit Count	14 Count

Reviews

C**O

El funcionamiento de esta broca es muy bueno, se pueden hacer fácilmente perforaciones al metal

14.12.2021

J**.

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

20.05.2025

E**H

top class

18.11.2025

L**I

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

3.01.2026

K**O

Punte di ottima qualità, le uso sia per ferro o acciaio, e anche resina visto che lavoro nel nautico. Unica cosa che avrei dovuto notare prima, ma nulla di ché, le punte sono in pollici. Ma alla fine lavorano perfettamente e posso trapanare quasi tutto come burro

7.12.2025

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

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month 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.