---
product_id: 145184278
title: "BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Included Case - M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal"
brand: "bosch"
price: "S$88"
currency: SGD
in_stock: true
category: "Bosch"
url: https://www.desertcart.sg/products/145184278-bosch-co14b-14-piece-cobalt-drill-bit-set-with-included
store_origin: SG
region: Singapore
---

# High-heat resistance for tough metal drilling 10x longer life with 8% cobalt M42 alloy Three-flat shank for superior grip & stability BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Included Case - M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

**Brand:** bosch
**Price:** S$88
**Availability:** ✅ In Stock

## Summary

> ⚡ Drill Like a Pro, Last Like a Legend!

## Quick Answers

- **What is this?** BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Included Case - M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal by bosch
- **How much does it cost?** S$88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/145184278-bosch-co14b-14-piece-cobalt-drill-bit-set-with-included)

## 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

- • **Stable & Secure Grip:** Three-flat shank design prevents slipping, delivering precise control on every drill.
- • **Unmatched Durability:** Engineered with 8% cobalt M42 alloy for 10x longer lifespan than standard bits.
- • **Versatile Size Range:** Includes 14 essential sizes from 1/16" to 1/2" to tackle any metalworking project with confidence.
- • **Fast & Clean Drilling:** Thick web-helix and split point tips enable rapid material removal and reduced walking on tough metals.
- • **Heat-Resistant Precision:** Withstands extreme temperatures, ensuring consistent performance on stainless steel, titanium, and cast iron.

## Overview

The BOSCH CO14B 14-Piece Cobalt Drill Bit Set features premium M42 cobalt alloy bits with 8% cobalt content, delivering 10x longer life and exceptional heat resistance. Designed for professional-grade metal drilling, this set includes 14 sizes with a three-flat shank for enhanced grip and stability, ideal for stainless steel, cast iron, titanium, and light-gauge metals. Its thick web-helix design and split point tips ensure fast, precise drilling, making it the go-to choice for demanding DIYers and metalworkers alike.

## Description

BOSCH Cobalt M42 metal drill bits are engineered with an 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. Ideal for diy projects, maintenance and repair, and metalworking; these twist drill bits provide dependable performance for diyers tackling tasks around the home or garage. The thick web-helix design of metal drill bit set for steel delivers fast material removal and increased stability for precision drilling and metal drilling. 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. Designed as part of the BOSCH tools collection, 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.

## Features

- Enhanced M42 Alloy Material: These drill bits for metal contain an 8% cobalt alloy that delivers 10x life vs. Standard bits
- Cobalt M42 Drill Bit: Provides upgraded M42 cobalt drill bits, jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
- Surface-hardened Tip: The Cobalt drill bits for hardened steel penetrate tough, abrasive materials
- High-heat Resistant Bits: This drill bit set for metal withstands high-temperature applications for extended periods of time
- Thick Web-helix Design: The BOSCH drill bit set features a thick web-helix design that provides additional stability in tough applications
- Includes: A versatile drill bit for metal assortment featuring 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", and 1/2" sizes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Q9HNTBH |
| Best Sellers Rank | #2,139 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Jobber Drill Bits |
| Brand Name | Bosch |
| Customer Reviews | 4.6 4.6 out of 5 stars (7,109) |
| 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 |
| Item Weight | 1 Pounds |
| 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 |
| 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 | 14.0 Count |
| Warranty Description | Product Defects Only |

## Product Details

- **Cutting Angle String:** 135 Degrees
- **Cutting Diameter:** 0.5 Inches
- **Finish Type:** Titanium
- **Material:** Cobalt
- **Shank Type:** 3-Flat

## Images

![BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Included Case - M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal - Image 1](https://m.media-amazon.com/images/I/81Nu8e18JaL.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.

## 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 Singapore*
*Store origin: SG*
*Last updated: 2026-07-11*