---
product_id: 729306852
title: "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, Light Gauge Metal"
brand: "bosch"
price: "€ 84.28"
currency: EUR
in_stock: true
reviews_count: 5
category: "Bosch"
url: https://www.desertcart.ie/products/729306852-bosch-co14b-14-piece-assorted-set-with-case-cobalt-m42
store_origin: IE
region: Ireland
---

# High Heat Resistance - withstands intense drilling temps M42 Cobalt Alloy - 8% cobalt for 10x durability Thick Web Helix - enhanced stability on tough metals 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, Light Gauge Metal

**Brand:** bosch
**Price:** € 84.28
**Availability:** ✅ In Stock

## Summary

> 🛠️ Drill Like a Pro, Last Like a Legend

## Quick Answers

- **What is this?** 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, Light Gauge Metal by bosch
- **How much does it cost?** € 84.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/729306852-bosch-co14b-14-piece-assorted-set-with-case-cobalt-m42)

## Best For

- bosch enthusiasts

## Why This Product

- Trusted bosch brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Durability:** Engineered with premium M42 cobalt alloy for 10x longer life than standard bits, perfect for relentless pros.
- • **Stability Meets Speed:** Thick web helix design reduces bit wobble, delivering faster, more accurate drilling on the toughest materials.
- • **Precision Cutting Edge:** 135° split point and surface-hardened tips ensure clean, effortless penetration into stainless steel, titanium, and cast iron.
- • **Versatile 14-Piece Set:** From 1/16" to 1/2", cover every metal drilling need with a comprehensive assortment in a sleek, portable case.
- • **Heat-Defying Performance:** Stay cool under pressure—these bits resist high temperatures to keep your workflow uninterrupted.

## Overview

The BOSCH CO14B 14 Piece Assorted Set features premium M42 cobalt drill bits with 8% cobalt content, delivering 10 times the lifespan of standard bits. Designed for high heat resistance and enhanced stability with a thick web helix, this set effortlessly drills through stainless steel, cast iron, titanium, and light gauge metals. The 14-piece assortment ranges from 1/16" to 1/2" sizes, housed in a durable case, making it the ultimate choice for professionals demanding precision and longevity.

## Description

1

Review: Calidad inmejorable - Las mejores brocas, que puedes encontrar en el mercado para perforar, el hierro forjado y el acero inoxidable
Review: very good service

## Features

- Cobalt M42 Drill Bits - Provides an upgraded M42 Cobalt Jobber Long Bit Stainless steel, cast iron, titanium, lightweight gauge metal and aluminum designed for durability, high heat resistance, hardening surface
- Enhanced M42 Alloy Material - Contains 8% cobalt alloy for 10 times longer life than standard bits
- HIGH HEAT RESISTANT BIT - Withstands high-temperature applications for long periods of time
- Thick Web Helix Design - Increased stability for tough applications
- Surface hardening tip - penetrates into durable abrasive materials
- INCLUDES - 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3 /20.3 cm, 1/2 in

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Q9HNTBH |
| Amazon Bestseller | #558,767 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #1,584 in Wood Drill Bit Sets |
| Brand | Bosch |
| Brand Name | Bosch |
| Customer Reviews | 4.6 out of 5 stars 3,844 Your Review |
| Cutting Angle String | 135 Degrees |
| Finish Type | Titanium |
| Finish Types | Titanium |
| Global Trade Identification Number | 00000346594591 |
| Included Components | 14 x Drill Bits Case |
| Item Type Name | BOSCH CO14B 14pcs Cobalt M42 Drill Bit Set |
| Item Weight | 454 g |
| Manufacturer | BOSCH |
| Material | Cobalt |
| Material Type | Cobalt |
| Minimum Bore Diameter | 0.06 Inches |
| Model | CO14B |
| Number of Flutes | 3 |
| Point Style | Split Point |
| Shank Type | Straight |
| Surface Recommendation | Cast Iron, Metal, Stainless Steel |
| Tool Flute Type | Spiral |
| UPC | 000346594591 |
| Unit Count | 14 Count |

## Product Details

- **シャンクタイプ:** ストレート
- **ブランド:** Bosch
- **仕上げタイプ:** チタン
- **切削角度ストリング:** 135 度
- **材質:** コバルト

## Images

![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, Light Gauge Metal - Image 1](https://m.media-amazon.com/images/I/81Nu8e18JaL.jpg)
![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, Light Gauge Metal - Image 2](https://m.media-amazon.com/images/I/81y3DiSMSWL.jpg)
![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, Light Gauge Metal - Image 3](https://m.media-amazon.com/images/I/511EGCQiKlL.jpg)
![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, Light Gauge Metal - Image 4](https://m.media-amazon.com/images/I/71IV2tYa5lL.jpg)
![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, Light Gauge Metal - Image 5](https://m.media-amazon.com/images/I/81rJQMBWEnL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Length of the bits for each diameter?**
A: "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."

**Q: Where is the 5/64" individual bit? (The only one I need to replace, of course!)**
A: You always have to order any single bit or bit replacement separately, unless you can convince the company otherwise.

**Q: Does Bosch make a metric set????**
A: 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.

**Q: Do either of the sets come with a bit holder? If not, what size bit holder would work?**
A: 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Calidad inmejorable
*by J***. on May 20, 2025*

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

### ⭐⭐⭐⭐⭐ very good service
*by E***H on November 18, 2025*



### ⭐⭐⭐⭐⭐ forets à métaux de très bonne qualité
*by L***I on January 3, 2026*

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

## Frequently Bought Together

- BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal
- Tap Magic 30004P ProTap Cutting Fluid, 4 oz. Size
- Lubri-Cut Cutting Paste for Drilling Metal - 2 Oz Tub - Made in USA | Beeswax Oil for Metal | High Performance Tapping & Cutting Wax | Saw Blade Lubricant & Drill Fluid

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-26*