---
product_id: 253545336
title: "3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling"
brand: "cochanvie"
price: "€ 9.79"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/253545336-3pcs-high-speed-steel-step-drill-bit-set-with-automatic
store_origin: IE
region: Ireland
---

# Two-flute design for smooth, fast cutting 3 step drill bits cover 4-32mm range HSS + Titanium coating for durability 3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling

**Brand:** cochanvie
**Price:** € 9.79
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Smarter, Not Harder — The Ultimate Step Bit Set for Pros Who Demand Precision!

## Quick Answers

- **What is this?** 3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling by cochanvie
- **How much does it cost?** € 9.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/253545336-3pcs-high-speed-steel-step-drill-bit-set-with-automatic)

## Best For

- cochanvie enthusiasts

## Why This Product

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

## Key Features

- • **All-in-One Precision:** Replace 28 bits with just 3 versatile step drills covering 4-32mm holes effortlessly.
- • **Multi-Material Mastery:** Ideal for sheet metal, plastic, fiberglass, and wood—your go-to set for diverse projects.
- • **Smooth & Fast Drilling:** Two-flute design minimizes burrs and chipping for professional-grade hole finishing every time.
- • **Durability Meets Performance:** Titanium nitride coating on high-speed steel ensures cooler operation and longer bit life.
- • **Automatic Center Punch Included:** Spring-loaded punch guarantees perfect hole positioning and zero slip for flawless starts.

## Overview

This 3-piece High-Speed Steel Step Drill Bit Set features titanium nitride coating and a two-flute design for fast, smooth cutting. Covering hole sizes from 4mm to 32mm, it replaces multiple bits and includes an automatic spring-loaded center punch for precise starts. Perfect for sheet metal and various materials, it delivers durability, efficiency, and professional results in one compact kit.

## Description

3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling

## Features

- 【Widely Used】Perfect Step Drill Bits suitable for drill holes in various material： Wide range of uses:automotive sheet metal, repair and renovation, bridge frame, home appliance decoration. 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. to reduce Burr,Chamfering,oval Chamfering that can't be done by twist drill bits
- 【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 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 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 Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ), 1-Piece Automatic Center Punch.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Cochanvie |
| Item Weight | 290 g |
| Package Dimensions | 25 x 8.3 x 3.1 cm; 290 g |
| Color | gold |
| Finish | Titanium |
| Material | High Speed Steel (HSS) |
| Number Of Pieces | 3 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** High Speed Steel (HSS)
- **Cutting diameter:** 12 Millimeters
- **Finish type:** Titanium
- **Shank type:** Hex
- **Cutting angle string:** 90 Degrees

## Images

![3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling - Image 1](https://m.media-amazon.com/images/I/61yyW8EFs1L.jpg)

## Frequently Bought Together

- Cochanvie 3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch, 4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole Drilling
- GOTOTOP 6Pcs Metric Thread Tap M3-M10 Titanium Coated Hss Drill And Tap Bits 1 4" Hex Shank Screw Taps Tool Set

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-31*