---
product_id: 399802533
title: "Sponsored Ad – M42 8% Cobalt Drill Bits for Stainless Steel and Metal (2.5mm x 5Pcs)"
brand: "stroton"
price: "$817"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/399802533-sponsored-ad-m42-8-cobalt-drill-bits-for-stainless-steel
store_origin: MX
region: Mexico
---

# 3-5x faster drilling speed - efficiency boost 68-70 HRC Rockwell Hardness - extreme heat & wear resistance M42 8% Cobalt Steel - premium durability Sponsored Ad – M42 8% Cobalt Drill Bits for Stainless Steel and Metal (2.5mm x 5Pcs)

**Brand:** stroton
**Price:** $817
**Availability:** ✅ In Stock

## Summary

> ⚡ Drill Smarter, Not Harder — Own the Metal Game!

## Quick Answers

- **What is this?** Sponsored Ad – M42 8% Cobalt Drill Bits for Stainless Steel and Metal (2.5mm x 5Pcs) by stroton
- **How much does it cost?** $817 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/399802533-sponsored-ad-m42-8-cobalt-drill-bits-for-stainless-steel)

## Best For

- stroton enthusiasts

## Why This Product

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

## Key Features

- • **Precision Cutting Power:** Sharp edges start drilling instantly with minimal force, eliminating frustrating bit walking.
- • **Versatile Metal Mastery:** Effortlessly drills stainless steel, carbide, aluminum, plastic, and hardwood with professional-grade performance.
- • **Cost-Effective Longevity:** Despite premium price, lower cost per hole thanks to extended tool life and faster drilling speeds.
- • **Optimized for Stainless Steel:** Recommended RPM and lubrication tips included to maximize efficiency and prevent overheating.
- • **Unmatched Heat & Wear Resistance:** M42 cobalt alloy delivers superior durability, outlasting generic high-speed steel by miles.

## Overview

The M42 8% Cobalt Drill Bits (2.5mm, 5pcs) are engineered for professionals demanding precision and durability. Crafted from premium cobalt steel with a 68-70 HRC rating, these bits deliver exceptional heat and wear resistance, enabling 3-5x faster drilling through tough materials like stainless steel, carbide, and hardwood. Designed to reduce effort and increase efficiency, they offer a lower cost per hole and come with expert tips for optimal use.

## Description

Sponsored Ad – M42 8% Cobalt Drill Bits for Stainless Steel and Metal (2.5mm x 5Pcs)

## Features

- Premium M42 8% Cobalt Steel ,68 70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
- For Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic and Hardwood.
- This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
- The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
- The Bits of 3.5mm and above are Designed with 3 Steps.This 2.5mm x 5pcs M42 Cobalt Drill Bits are Common Drill Edge Design.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | STROTON Ltd |
| Part Number | M42 Cobalt-8( Independent Packaging) |
| Package Dimensions | 7.8 x 7.8 x 1.19 cm; 9 g |
| Item model number | M42 Cobalt-8( Independent Packaging) |
| Size | 2.5mmx5pcs (common edge design) |
| Finish | Stainless Steel |
| Material | Cobalt |
| Item Package Quantity | 1 |
| Number of Pieces | 5 |
| Measurement System | Metric |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 9 g |

## Product Details

- **Material:** Cobalt
- **Cutting diameter:** 2.5 Millimetres
- **Finish type:** Stainless Steel
- **Shank type:** Straight
- **Cutting angle string:** 135 Degrees

## Images

![Sponsored Ad – M42 8% Cobalt Drill Bits for Stainless Steel and Metal (2.5mm x 5Pcs) - Image 1](https://m.media-amazon.com/images/I/61So89jWmBL.jpg)
![Sponsored Ad – M42 8% Cobalt Drill Bits for Stainless Steel and Metal (2.5mm x 5Pcs) - Image 2](https://m.media-amazon.com/images/I/616Blinp8AL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.mx/products/399802533-sponsored-ad-m42-8-cobalt-drill-bits-for-stainless-steel](https://www.desertcart.mx/products/399802533-sponsored-ad-m42-8-cobalt-drill-bits-for-stainless-steel)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-10*