---
product_id: 301302283
title: "CO14B 14 Pc. Cobalt M42 Drill Bit Set"
brand: "bosch"
price: "A$91"
currency: AUD
in_stock: true
reviews_count: 5
category: "Bosch"
url: https://www.desertcart.com.au/products/301302283-co14b-14-pc-cobalt-m42-drill-bit-set
store_origin: AU
region: Australia
---

# High-heat resistance for tough jobs 8% Cobalt alloy for 10x durability Thick web-helix for superior stability CO14B 14 Pc. Cobalt M42 Drill Bit Set

**Brand:** bosch
**Price:** A$91
**Availability:** ✅ In Stock

## Summary

> 🛠️ Drill Like a Pro, Last Like a Legend

## Quick Answers

- **What is this?** CO14B 14 Pc. Cobalt M42 Drill Bit Set by bosch
- **How much does it cost?** A$91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/301302283-co14b-14-pc-cobalt-m42-drill-bit-set)

## 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

- • **Precision Stability:** Thick web-helix design reduces bit wobble for faster, cleaner material removal.
- • **Unmatched Durability:** Engineered with 8% cobalt M42 alloy delivering 10x longer life than standard bits.
- • **Ergonomic Grip & Range:** Includes 14 jobber-length bits with split point and three-flat shank for enhanced grip and control.
- • **Versatile Metal Mastery:** Perfectly drills stainless steel, cast iron, titanium, and light-gauge metals with hardened surface tips.
- • **Heat-Resistant Performance:** Withstands extreme temperatures, ensuring consistent precision in high-heat drilling tasks.

## Overview

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 and surface-hardened tips, this set delivers superior stability and precision across stainless steel, cast iron, titanium, and more. With 14 versatile sizes and ergonomic shank designs, it’s the ultimate upgrade for professionals demanding durability and performance.

## Description

BOSCH Cobalt M42 metal drill bits are engineered with upgraded M42 alloy, containing 8% cobalt. These hard-core Cobalt bits deliver 10x life vs. Standard bits, are jobber length and withstand high-heat applications. The thick web-helix design delivers fast material removal and increased stability. Bits that are 1/8 in. And larger feature a split point; bits 3/16 in. And larger feature a three-flat shank, for better bit grip. These Cobalt drill bits provide superior performance in stainless steel and can be used to drill cast iron, titanium and other hard or abrasive metals.

Review: Las mejores brocas, que puedes encontrar en el mercado para perforar, el hierro forjado y el acero inoxidable
Review: Quality sharp metal steel drill bits for the workshop. Bosch= Good Quality.

## Features

- Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
- Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
- High-heat resistant bits – withstand high-temperature applications for extended periods of time
- Thick web-helix design – provides additional stability in tough applications
- Surface-hardened tip – penetrates tough 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", 3/8", 1/2"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Q9HNTBH |
| ASIN  | B07Q9HNTBH |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #55,821 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #29 in Jobber Drill Bits |
| Color | Solid Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (6,499) |
| Customer reviews | 4.6 4.6 out of 5 stars (6,499) |
| Date First Available | 18 June 2019 |
| Date First Available  | 18 June 2019 |
| Finish | Titanium |
| Included components | 14 Drill Bits; Case |
| Item Package Quantity | 1 |
| Item Weight | 454 g |
| Item model number | CO14B |
| Item model number  | CO14B |
| Manufacturer | BOSCH |
| Manufacturer  | BOSCH |
| Material | Stainless Steel Cobalt |
| Measurement System | Inch |
| Number Of Pieces | 14 |
| Part number | CO14B |
| Pattern | Solid |
| Power source type | Hand_powered |
| Shape | Rectangular |
| Size | 14 pc. Drill Bit Set |
| Style | Classic |

## Product Details

- **Cutting angle string:** 135 Degrees
- **Cutting diameter:** 6.35 Millimeters
- **Finish type:** Titanium
- **Material:** Stainless Steel Cobalt
- **Shank type:** 3-Flat

## Images

![CO14B 14 Pc. Cobalt M42 Drill Bit Set - Image 1](https://m.media-amazon.com/images/I/81Nu8e18JaL.jpg)

## 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

### ⭐⭐⭐⭐⭐ Review
*by J***. on 20 May 2025*

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

### ⭐⭐⭐⭐⭐ Review
*by M***M on 11 September 2025*

Quality sharp metal steel drill bits for the workshop. Bosch= Good Quality.

### ⭐⭐⭐⭐⭐ Review
*by L***I on 3 January 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 Australia*
*Store origin: AU*
*Last updated: 2026-02-21*