---
product_id: 275450823
title: "Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size"
brand: "dewalt"
price: "NT$7193"
currency: TWD
in_stock: true
reviews_count: 5
category: "Dewalt"
url: https://www.desertcart.tw/products/275450823-dewalt-step-drill-bit-set-3-piece-dwa1790ir-one-size
store_origin: TW
region: Taiwan
---

# Laser Engraved Numbers for easy size visibility Split Point Tip for faster drilling Titanium Nitride Coating for durability Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size

**Brand:** dewalt
**Price:** NT$7193
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Smarter, Not Harder — The Pro’s Step-Up Bit Set

## Quick Answers

- **What is this?** Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size by dewalt
- **How much does it cost?** NT$7193 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/275450823-dewalt-step-drill-bit-set-3-piece-dwa1790ir-one-size)

## Best For

- dewalt enthusiasts

## Why This Product

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

## Key Features

- • **Versatile 3-Piece Set:** Cover multiple hole sizes from 1/8" to 7/8" in one sleek, compact kit.
- • **Impact Driver Ready Hex Shank:** Seamlessly compatible with your impact driver for maximum torque and control.
- • **Effortless Size Identification:** Laser-engraved step numbers keep you drilling confidently without guesswork.
- • **Built to Last with Titanium Nitride:** Experience unmatched durability and longer bit life with premium coating.
- • **Precision Speed with Split Point Tip:** Cut through metal and steel faster with optimized 118° split point design.

## Overview

The DEWALT 3-piece Step Drill Bit Set (DWA1790IR) features titanium nitride coating for enhanced durability, a split point tip for faster, cleaner drilling, and laser-engraved size markings for quick identification. Designed with a 1/4-inch hex shank optimized for impact drivers, this set covers a wide range of hole sizes, making it an essential upgrade for professionals and DIYers seeking precision and longevity in their tools.

## Description

Buy Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Great bits - Sharp, accurate, durable. Best step drills I’ve used and I’ve used a lot
Review: Step drills - Very good

## Features

- Titanium Nitride Coated two flute spiral design provides longer life and better chip removal for the DEWALT drill bit set
- Split point tip of the drill bit increases speed
- Laser engraved numbers increases step visiblity
- 1/4-inch hex shank
- Optimized for impact driver usage

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0090IHA7Y |
| Best Sellers Rank | #29,216 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #121 in Power Drill Bit Sets |
| Brand | DEWALT |
| Brand Name | DEWALT |
| Customer Reviews | 4.8 out of 5 stars 2,945 Reviews |
| Cutting Angle String | 118 Degrees |
| Cutting Diameter | 6.35 Millimeters |
| Cutting angle string | 118 Degrees |
| Cutting diameter | 6.35 Millimeters |
| Finish Types | Titanium Nitride |
| Finish type | Titanium Nitride |
| Global Trade Identification Number | 00885911294102 |
| Included Components | DWA1790IR - 3 Piece Impact Ready Step Drill Bit Set with multiple sizes (1/8"-1/2", 3/16"-1/2", and 3/16"-7/8") |
| Item Dimensions | 15.2 x 12.7 x 2.2 centimeters |
| Item Type Name | Dewalt DWA1790IR |
| Item Weight | 141 g |
| Item height | 0.88 inches |
| Manufacturer | DeWalt |
| Material | Titanium Nitride Coated |
| Material Type | Titanium Nitride Coated |
| Model | DWA1790IR |
| Number of Flutes | 2 |
| Point Style | Split Point |
| Shank Type | Hex |
| Shank type | Hex |
| Surface Recommendation | Door,Metal,Steel |
| Tool Flute Type | Spiral |
| UPC | 885911294102 |
| Unit Count | 1 Count |

## Product Details

- **Material:** Titanium Nitride Coated
- **Cutting diameter:** 6.35 Millimeters
- **Finish type:** Titanium Nitride
- **Shank type:** Hex
- **Cutting angle string:** 118 Degrees

## Images

![Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size - Image 1](https://m.media-amazon.com/images/I/31WRwh3mhYL.jpg)
![Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size - Image 2](https://m.media-amazon.com/images/I/51mYK9teq3L.jpg)
![Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size - Image 3](https://m.media-amazon.com/images/I/61AG4PH8nCL.jpg)
![Dewalt Step Drill Bit Set, 3-Piece (Dwa1790Ir), One Size - Image 4](https://m.media-amazon.com/images/I/61gUxe0UdnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great bits
*by T***N on 13 March 2024*

Sharp, accurate, durable. Best step drills I’ve used and I’ve used a lot

### ⭐⭐⭐⭐⭐ Step drills
*by T***Y on 26 January 2025*

Very good

### ⭐⭐⭐⭐⭐ Good
*by M***L on 3 December 2025*

Use it often, really like the bit.

## Frequently Bought Together

- DEWALT Step Drill Bit Set, 3-Piece (DWA1790IR)
- DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)
- DEWALT Screwdriver Bit Set, Impact Ready, FlexTorq, 40-Piece (DWA2T40IR)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tw/products/275450823-dewalt-step-drill-bit-set-3-piece-dwa1790ir-one-size](https://www.desertcart.tw/products/275450823-dewalt-step-drill-bit-set-3-piece-dwa1790ir-one-size)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-23*