---
product_id: 574219603
title: "3PCS Cobalt Single-End Countersink Chamfer Tool Set -TiAlN Coated Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,2-5,10-15,15-20MM,1/4\"-3/4\""
brand: "columpro"
price: "$153"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/574219603-3pcs-cobalt-single-end-countersink-chamfer-tool-set-tialn-coated
store_origin: NZ
region: New Zealand
---

# TiAlN coating for extreme heat resistance M35 Cobalt HSS for unmatched durability 3 versatile sizes (2-5, 10-15, 15-20mm) 3PCS Cobalt Single-End Countersink Chamfer Tool Set -TiAlN Coated Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,2-5,10-15,15-20MM,1/4"-3/4"

**Brand:** columpro
**Price:** $153
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your craft with precision and power – don’t get left behind!

## Quick Answers

- **What is this?** 3PCS Cobalt Single-End Countersink Chamfer Tool Set -TiAlN Coated Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,2-5,10-15,15-20MM,1/4"-3/4" by columpro
- **How much does it cost?** $153 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/574219603-3pcs-cobalt-single-end-countersink-chamfer-tool-set-tialn-coated)

## 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

- • **Precision Perfected:** 90-degree cone tip guarantees flawless centering and chatter-free, clean cuts every time.
- • **Unrivaled Toughness:** M35 cobalt steel ensures long-lasting, heavy-duty performance even on stainless steel and high-performance alloys.
- • **Organized & Portable:** Individual storage cases keep your bits secure and ready, eliminating downtime and lost tools.
- • **Heat-Resistant Coating:** Advanced TiAlN finish withstands high temperatures, extending tool life and maintaining sharpness.
- • **Versatile Compatibility:** Fits all your drills and milling machines—cordless, table, or impact drivers—empowering every project.

## Overview

The ColumPRO 3PCS Countersink Chamfer Tool Set features premium M35 cobalt high-speed steel bits with a titanium aluminum nitride (TiAlN) coating for superior durability and heat resistance. Designed with a 90-degree cone tip and enlarged spiral flute, these bits deliver precise, chatter-free cuts and rapid chip ejection. Compatible with a wide range of drills and milling machines, this set includes three sizes (2-5mm, 10-15mm, 15-20mm) housed in individual cases for easy portability and organization.

## Description

ColumPRO3PCS Cobalt Single-End Countersink Chamfer Tool Set -TiAlN Coated Heavy-Duty M35 90-Degree Countersink Bits for Metal, Stainless Steel, Copper, Wood, Fiberboard,2-5,10-15,15-20MM,1/4"-3/4"

## Features

- 【Premium Quality】Crafted from M35 Cobalt High Speed Steel with cobalt TiAlN 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 3 drill bits in varying sizes, with each of the 2-5MM, 10-15MM and 15-20MM countersink chamfer tools included, providing you with a complete package for all your drilling needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ColumPRO |
| Part number | O048-4PCS |
| Item Weight | 191 g |
| Package Dimensions | 19.3 x 11.51 x 3.81 cm; 191 g |
| Manufacturer reference | O048-4PCS |
| Style | M35 Cobalt HSS |
| Finish | Titanium |
| Material | Cobalt Steel |
| Item Package Quantity | 1 |
| Number Of Pieces | 3 |
| Included components | 2-5mm,10-15mm,15-20mm countersink bits |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Cobalt Steel
- **Cutting diameter:** 20 Millimeters
- **Finish type:** Titanium
- **Shank type:** Round Shank
- **Cutting angle string:** 90 Degrees

## Images

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

## Available Options

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

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**Shop now:** [https://www.desertcart.nz/products/574219603-3pcs-cobalt-single-end-countersink-chamfer-tool-set-tialn-coated](https://www.desertcart.nz/products/574219603-3pcs-cobalt-single-end-countersink-chamfer-tool-set-tialn-coated)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-28*