---
product_id: 457968936
title: "3pcs Metric Step Drill Bit, Hss Step Drill Bit Set High Speed Steel Step Bits Set (Metric 4-12mm, 4-20mm and 4-32 Mm) Cone Metal Drill Bits for Plastic, Wood, Stainless Steel Sheet Metal"
brand: "tworider"
price: "C$1440"
currency: NIO
in_stock: true
reviews_count: 13
category: "Tworider"
url: https://www.desertcart.ni/products/457968936-3pcs-metric-step-drill-bit-hss-step-drill-bit-set
store_origin: NI
region: Nicaragua
---

# Double groove design for faster, smoother drilling Titanium-coated HSS for durability & multi-material use 3 precision step sizes (4-12mm, 4-20mm, 4-32mm) 3pcs Metric Step Drill Bit, Hss Step Drill Bit Set High Speed Steel Step Bits Set (Metric 4-12mm, 4-20mm and 4-32 Mm) Cone Metal Drill Bits for Plastic, Wood, Stainless Steel Sheet Metal

**Brand:** tworider
**Price:** C$1440
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Like a Pro, Finish Like a Boss!

## Quick Answers

- **What is this?** 3pcs Metric Step Drill Bit, Hss Step Drill Bit Set High Speed Steel Step Bits Set (Metric 4-12mm, 4-20mm and 4-32 Mm) Cone Metal Drill Bits for Plastic, Wood, Stainless Steel Sheet Metal by tworider
- **How much does it cost?** C$1440 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/457968936-3pcs-metric-step-drill-bit-hss-step-drill-bit-set)

## Best For

- tworider enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Portable:** Comes with a sleek fabric carrying case to keep your drill bits organized and ready for any project, anytime, anywhere.
- • **Titanium-Tough Durability:** High-speed steel core with titanium coating ensures long-lasting sharpness and reliable performance on stainless steel, aluminum, copper, and more.
- • **Turbocharged Double Groove:** Experience less pressure and faster cuts with the innovative double groove design that glides through wood, plastic, and thin metals effortlessly.
- • **Versatile 3-Step Size Range:** From delicate plastics to thick metals, drill holes from 4mm up to 32mm with unmatched precision.
- • **Universal Quick-Change Hex Shank:** Seamlessly switch bits with a 1/4" hex shank compatible with most drills and impact drivers—work smarter, not harder.

## Overview

The Tworider 3pcs Metric Step Drill Bit Set features three high-speed steel step bits ranging from 4-12mm, 4-20mm, and 4-32mm diameters. Engineered with a double groove design and titanium coating, these bits deliver faster, smoother drilling with enhanced durability across plastics, wood, and various metals. Equipped with a universal 1/4" hex shank, they offer quick bit changes and compatibility with most power drills, all neatly packed in a portable fabric case for on-the-go professionals.

## Description

Tworider 3pcs Metric Step Drill Bit, Hss Step Drill Bit Set High Speed Steel Step Bits Set (Metric 4-12mm, 4-20mm and 4-32 Mm) Cone Metal Drill Bits for Plastic, Wood, Stainless Steel Sheet Metal - desertcart.com

Review: Sharp - Fast shipping and works perfect
Review: Junk - Not sharp at all, it could not drill thin plastic if it wanted to. Absolute junk, do not buy

## Features

- 【Drill Bit Set contain 3 size】：4-12mm, 4-20mm and 4-32 mm, Supplied with a portable fabric bag.
- 【Double groove design】：Provide faster and smoother drilling, provide less pressure, and cut wood, plastic and other surfaces with a thickness of less than 5mm. The stepped cone drill is designed to accurately drill holes of different sizes from 4 mm to 32 mm in diameter, with the best speed
- 【widely used】：The ability and durability of high-speed steel with titanium coating to drill holes in plastic, aluminum, copper and many other types of metal plates have been proved. Titanium drill bits are especially suitable for processing copper and aluminum parts, die steel, cast iron, iron and other metal materials.
- 【Quick Assemble】: 1/4" hex shank work with most drill or drills with 1/4" chuck,makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools.
- 【Sizes】： 15 Step Bit: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 9 Step Bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 5 Step Bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09TPBKVMW |
| Best Sellers Rank | #30,733 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #49 in Step Drill Bits |
| Brand | Tworider |
| Cutting Diameter | 32 Millimeters |
| Date First Available | March 1, 2022 |
| Finish Type | Titanium |
| Item Weight | 8.4 ounces |
| Item dimensions L x W x H | 4.33 x 3.94 x 1.38 inches |
| Item model number | lb-12 |
| Manufacturer | Tworider |
| Material | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Number of Pieces | 3 |
| Product Dimensions | 4.33 x 3.94 x 1.38 inches |
| Shank Type | Hex |
| Surface Recommendation | Stainless,Wood,Fabric,Plastic,Metal,Steel |
| Tool Flute Type | Spiral |
| UPC | 607535868312 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Tworider
- **Cutting Diameter:** 32 Millimeters
- **Finish Type:** Titanium
- **Material:** High Speed Steel (HSS)
- **Shank Type:** Hex

## Images

![3pcs Metric Step Drill Bit, Hss Step Drill Bit Set High Speed Steel Step Bits Set (Metric 4-12mm, 4-20mm and 4-32 Mm) Cone Metal Drill Bits for Plastic, Wood, Stainless Steel Sheet Metal - Image 1](https://m.media-amazon.com/images/I/711ahrGg7TL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sharp
*by N***T on January 5, 2026*

Fast shipping and works perfect

### ⭐ Junk
*by T***G on October 13, 2025*

Not sharp at all, it could not drill thin plastic if it wanted to. Absolute junk, do not buy

### ⭐⭐⭐⭐⭐ Awesome
*by E***E on December 13, 2025*

This is an awesome tool and will buy again. I recommend this product.

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**Shop now:** [https://www.desertcart.ni/products/457968936-3pcs-metric-step-drill-bit-hss-step-drill-bit-set](https://www.desertcart.ni/products/457968936-3pcs-metric-step-drill-bit-hss-step-drill-bit-set)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-20*