---
product_id: 589686464
title: "4PCS Cobalt Single-End Countersink Chamfer Tool Set - Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,SAE 1/4\"-3/4\", 2-5, 5-10, 10-15, 15-20MM"
brand: "columpro"
price: "€ 69.96"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/589686464-4pcs-cobalt-single-end-countersink-chamfer-tool-set-heavy-duty
store_origin: PT
region: Portugal
---

# 4 Size Variety M35 Cobalt Steel 90-Degree Precision 4PCS Cobalt Single-End Countersink Chamfer Tool Set - Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,SAE 1/4"-3/4", 2-5, 5-10, 10-15, 15-20MM

**Brand:** columpro
**Price:** € 69.96
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Craftsmanship with Precision Tools!

## Quick Answers

- **What is this?** 4PCS Cobalt Single-End Countersink Chamfer Tool Set - Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,SAE 1/4"-3/4", 2-5, 5-10, 10-15, 15-20MM by columpro
- **How much does it cost?** € 69.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/589686464-4pcs-cobalt-single-end-countersink-chamfer-tool-set-heavy-duty)

## Best For

- columpro enthusiasts

## Why This Product

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

## Key Features

- • **Chatter-Free Cutting:** Experience smooth, clean cuts with our advanced cone tip design.
- • **Unmatched Durability:** Crafted from M35 Cobalt High Speed Steel for long-lasting performance.
- • **Portable Organization:** Each bit comes in its own case for easy transport and storage.
- • **Versatile Compatibility:** Perfect for a variety of machines—ideal for both pros and DIYers.
- • **Effortless Chip Ejection:** Enlarged spiral flute design prevents clogging and enhances efficiency.

## Overview

The 4PCS Cobalt Single-End Countersink Chamfer Tool Set features heavy-duty M35 cobalt steel bits designed for exceptional durability and performance. With sizes ranging from 2-20MM, these tools are perfect for a variety of materials including metal, wood, and fiberboard. Each bit is engineered for clean, chatter-free cuts and comes with individual storage cases for convenience.

## Description

4PCS Cobalt Single-End Countersink Chamfer Tool Set - Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,SAE 1/4"-3/4", 2-5, 5-10, 10-15, 15-20MM

## Features

- 【Premium Quality】Crafted from M35 Cobalt High Speed Steel with cobalt coating, our countersink drill bits boast unparalleled toughness, high temperature threshold and long-term durability, delivering consistently exceptional results.
- 【Impressive Performance】Used after pre-drilling for screws or deburring holes as well as chamfering the edge of a part, they cut cleanly and are chatter-free. The cone tip assures accurate centering, also the enlarged spiral flute prevents chips from clogging and ejects chips rapidly. Designed to handle tough materials like stainless steel and other high-performance alloys.
- 【Versatile Application】Our drill bits are compatible for use with a range of drilling machines, table drills, milling machines, cordless drills and impact drivers. Perfect for machinists, DIY enthusiasts and homeowners.
- 【Portable & Convenient】Our countersink chamfer tools come with individual storage cases for easy portability. Say goodbye to lost bits and restless searches for the right tool.
- 【Comprehensive Set】This set includes 4 drill bits in varying sizes, with each of the 2-5MM, 5-10MM, 10-15MM and 15-20MM countersink chamfer tools included, providing you with a complete package for all your drilling needs.

## Product Details

- **Finish Type:** Cobalt
- **Shank Type:** Straight
- **Cutting Angle String:** 90 Degrees
- **Brand:** ColumPRO
- **Item dimensions L x W x H:** 7.5 x 4.7 x 1.61 inches

## Images

![4PCS Cobalt Single-End Countersink Chamfer Tool Set - Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,SAE 1/4"-3/4", 2-5, 5-10, 10-15, 15-20MM - Image 1](https://m.media-amazon.com/images/I/61cfdU+TxUL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/589686464-4pcs-cobalt-single-end-countersink-chamfer-tool-set-heavy-duty](https://www.desertcart.pt/products/589686464-4pcs-cobalt-single-end-countersink-chamfer-tool-set-heavy-duty)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-10*