---
product_id: 137223114
title: "Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm)"
brand: "lepohome"
price: "131.17 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/137223114-step-drill-bit-set-3pcs-spiral-groove-titanium-coated-high
store_origin: TN
region: Tunisia
---

# 3 drill sizes Titanium coated 2-flute design Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm)

**Brand:** lepohome
**Price:** 131.17 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Your Way to Perfection!

## Quick Answers

- **What is this?** Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm) by lepohome
- **How much does it cost?** 131.17 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/137223114-step-drill-bit-set-3pcs-spiral-groove-titanium-coated-high)

## Best For

- lepohome enthusiasts

## Why This Product

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

## Key Features

- • **DIY Essential:** Compatible with all home DIY power drills.
- • **Comprehensive Set:** Includes 3 bits for a range of hole sizes (4-32mm).
- • **Titanium Toughness:** Heat and corrosion resistant for long-lasting use.
- • **Precision Engineering:** Two-flute design ensures smooth, mistake-free drilling.
- • **Versatile Drilling Power:** Perfect for aluminum, wood, and more!

## Overview

This 3-piece HSS Spiral Step Drill Bit Set features high-speed steel with a titanium coating, designed for drilling precise holes in various materials like aluminum and wood. The set includes bits for sizes ranging from 4mm to 32mm and comes with an automatic center punch, making it an essential tool for any DIY enthusiast.

## Description

Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm)

## Features

- 【Widely Used】Perfect Step Drill Bits suitable for drill holes in various material： within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
- 【Material】HSS combined with a titanium coating. More capable and durable. Coated by titanium,this step drill set performs well in heat,corrosion and rust resistance.
- 【Easy Drilling】Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake
- 【SET INCLUDES】Bit #1 (9 steps): 4-12mm (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm,12mm); Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)
- 【Package Included】 3-Piece HSS Sprial Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch. 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills.

## Images

![Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm) - Image 1](https://m.media-amazon.com/images/I/71cER8B61FL.jpg)
![Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm) - Image 2](https://m.media-amazon.com/images/I/713a8DKCswL.jpg)
![Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm) - Image 3](https://m.media-amazon.com/images/I/61MvvUALAnL.jpg)
![Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm) - Image 4](https://m.media-amazon.com/images/I/61yfe9ev1kL.jpg)
![Step Drill Bit Set, 3Pcs Spiral Groove Titanium Coated High Speed Steel Unibit Cone Hole Cutter Bit with Automatic Center Punch for Drilling Plate Aluminum Metal Wood Hole (4-12mm/4-20mm/4-32mm) - Image 5](https://m.media-amazon.com/images/I/6183IV9kwOL.jpg)

## Questions & Answers

**Q: Do they fit on 1/4" hex extensions?**
A: Yes. They are good!!

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**Shop now:** [https://www.desertcart.tn/products/137223114-step-drill-bit-set-3pcs-spiral-groove-titanium-coated-high](https://www.desertcart.tn/products/137223114-step-drill-bit-set-3pcs-spiral-groove-titanium-coated-high)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-02-06*