---
product_id: 406238465
title: "CO2133B 1-Piece 3/32 in. x 2-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum"
brand: "bosch"
price: "€ 7.22"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/406238465-co2133b-1-piece-3-32-in-x-2-1-4
store_origin: IT
region: Italy
---

# High-heat resistance 3/32 in. diameter 3-flat shank design CO2133B 1-Piece 3/32 in. x 2-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

**Brand:** bosch
**Price:** € 7.22
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Like a Pro with Unstoppable Precision!

## Quick Answers

- **What is this?** CO2133B 1-Piece 3/32 in. x 2-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum by bosch
- **How much does it cost?** € 7.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/406238465-co2133b-1-piece-3-32-in-x-2-1-4)

## 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

- • **Heat-Resistant Power:** Engineered to endure high-temperature applications effortlessly.
- • **Unmatched Durability:** Crafted from M42 Cobalt for 10x longer life than standard bits.
- • **Precision Penetration:** Surface-hardened tip for superior performance in abrasive materials.
- • **Stability in Toughness:** Thick web-helix design ensures stability in the most challenging materials.
- • **Versatile Applications:** Perfect for stainless steel, cast iron, titanium, light-gauge metal, and aluminum.

## Overview

The BOSCH CO2133B 1-Piece Cobalt M42 Metal Drill Bit is designed for professionals seeking durability and performance. With a 3/32 in. diameter and a unique three-flat shank, this drill bit excels in high-heat applications and penetrates tough materials like stainless steel and titanium with ease. Its enhanced M42 alloy composition ensures longevity, making it a must-have for any serious toolkit.

## 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.

## 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

## Product Details

- **Material:** Cobalt
- **Cutting Diameter:** 2.38 Millimeters
- **Finish Type:** Titanium
- **Shank Type:** 3-Flat
- **Cutting Angle String:** 135 Degrees

## Images

![CO2133B 1-Piece 3/32 in. x 2-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum - Image 1](https://m.media-amazon.com/images/I/51jRUAMplLL.jpg)

## Available Options

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

## Frequently Bought Together

- BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit
- BOSCH CO2132 5/64 In. x 2 In. Cobalt Drill Bit

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-27*