---
product_id: 508163134
title: "BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit"
brand: "bosch"
price: "S$17"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/508163134-bosch-co2133b-3-32-in-x-2-1-4-in
store_origin: SG
region: Singapore
---

# 10x lifespan with 8% cobalt alloy High-heat resistance for extended use Thick web-helix for superior stability BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit

**Brand:** bosch
**Price:** S$17
**Availability:** ✅ In Stock

## Summary

> 🛠️ Drill Like a Pro, Last Like a Legend

## Quick Answers

- **What is this?** BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit by bosch
- **How much does it cost?** S$17 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/508163134-bosch-co2133b-3-32-in-x-2-1-4-in)

## 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 ensures steady drilling in the toughest metals without wobble.
- • **Unmatched Durability:** Engineered with premium M42 cobalt alloy for 10x longer life than standard bits.
- • **Enhanced Grip & Control:** Three-flat shank and split point design for superior bit retention and precise starts.
- • **Versatile Metal Mastery:** Effortlessly drills stainless steel, cast iron, titanium, and light-gauge metals.
- • **Heat-Resistant Performance:** Withstands extreme temperatures, keeping sharpness and strength under pressure.

## Overview

The BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit is crafted from an upgraded 8% cobalt alloy, delivering 10 times the lifespan of standard bits. Its thick web-helix design provides enhanced stability and fast material removal, while its high-heat resistance ensures durability during intense drilling tasks. Ideal for professionals tackling stainless steel, cast iron, titanium, and other hard metals, this drill bit combines precision, longevity, and superior grip for unmatched 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.

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BOSCH |
| Part number | CO2133B |
| Item Weight | 9 g |
| Product Dimensions | 5.7 x 0.2 x 0.2 cm; 9 g |
| Item model number | CO2133B |
| Size | 3/32 In. X 2-1/4 In. |
| Color | Multi |
| Style | Classic |
| Finish | Titanium |
| Material | Cobalt |
| Pattern | Solid |
| Shape | Rectangular |
| Power source type | Hand_powered |
| Item Package Quantity | 1 |
| Measurement System | Inch |
| Included components | (1) 3/32 In. X 2-1/4 In. Cobalt M42 Drill Bit |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Cobalt
- **Cutting diameter:** 2.38 Millimeters
- **Finish type:** Titanium
- **Shank type:** 3-Flat
- **Cutting angle string:** 135 Degrees

## Images

![BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit - Image 1](https://m.media-amazon.com/images/I/51jRUAMplLL.jpg)
![BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit - Image 2](https://m.media-amazon.com/images/I/717nnLr2I+L.jpg)
![BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit - Image 3](https://m.media-amazon.com/images/I/511EGCQiKlL.jpg)
![BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit - Image 4](https://m.media-amazon.com/images/I/71IV2tYa5lL.jpg)
![BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit - Image 5](https://m.media-amazon.com/images/I/81kS1Q7tB5L.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 Singapore*
*Store origin: SG*
*Last updated: 2026-02-09*