---
product_id: 17200243
title: "Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)"
brand: "irwin tools"
price: "S/.230"
currency: PEN
in_stock: true
category: "Hi"
url: https://www.desertcart.pe/products/17200243-irwin-tools-unibit-20-9-16-inch-to-1-inch
store_origin: PE
region: Peru
---

# 9/16" to 1" range 1/2" shank size Single-flute design Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

**Brand:** irwin tools
**Price:** S/.230
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Your Way to Perfection!

## Quick Answers

- **What is this?** Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220) by irwin tools
- **How much does it cost?** S/.230 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/17200243-irwin-tools-unibit-20-9-16-inch-to-1-inch)

## Best For

- irwin tools enthusiasts

## Why This Product

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

## Key Features

- • **Enhanced Control:** Single-flute cutting edge for superior maneuverability.
- • **Durable Construction:** Built to withstand rigorous drilling tasks.
- • **User-Friendly Design:** Perfect for both professionals and DIY enthusiasts.
- • **Precision Engineering:** Achieve true round holes effortlessly.
- • **Versatile Material Compatibility:** Drill through stainless steel, copper, brass, aluminum, plastic, and laminates.

## Overview

The IRWINTools Unibit #20 is a high-performance step-drill bit designed for precision drilling in a variety of thin materials. With a range from 9/16-inch to 1-inch and a robust 1/2-inch shank, this tool features a patented single-flute cutting edge that ensures clean, round holes every time, making it an essential addition to any toolkit.

## Description

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

## Features

- None
- Imported
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
- Single-flute cutting edge for greater control through steps
- Patented single-flute cutting edge gives the user a true round hole every time
- ›See more product details

## Images

![Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220) - Image 1](https://images-na.ssl-images-amazon.com/images/I/31HW8ipG5TL.jpg)
![Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220) - Image 2](https://images-na.ssl-images-amazon.com/images/I/413qOm3gcfL.jpg)
![Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220) - Image 3](https://images-na.ssl-images-amazon.com/images/I/41tAkQqW3tL.jpg)

## Available Options

This product comes in different **Size Name, Style Name** options.

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**Shop now:** [https://www.desertcart.pe/products/17200243-irwin-tools-unibit-20-9-16-inch-to-1-inch](https://www.desertcart.pe/products/17200243-irwin-tools-unibit-20-9-16-inch-to-1-inch)

---

*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-01-28*