---
product_id: 713070460
title: "EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4\" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic"
brand: "ezarc"
price: "$57.75"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/713070460-ezarcstep-drill-bit-for-metal-m35-cobalt-step-drill-spiral
store_origin: US
region: United States of America
---

# 9-step spiral flute for versatile drilling AlTiN coating resists heat & wear M35 cobalt HSS for extreme toughness EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic

**Brand:** ezarc
**Price:** $57.75
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill smarter, not harder — the ultimate step bit for pros who demand precision!

## Quick Answers

- **What is this?** EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic by ezarc
- **How much does it cost?** $57.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/713070460-ezarcstep-drill-bit-for-metal-m35-cobalt-step-drill-spiral)

## Best For

- ezarc enthusiasts

## Why This Product

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

## Key Features

- • **Heat-Resistant AlTiN Coating:** Rated 89HRC for superior wear, corrosion, and friction resistance
- • **All-in-One 9-Step Versatility:** Drill multiple hole sizes seamlessly without swapping bits
- • **Optimized for Metal & Stainless:** Perfect for metal sheets up to 1/8" and stainless steel up to 1mm thick
- • **Unmatched Hardness & Durability:** M35 cobalt steel with heat treatment outperforms standard bits
- • **Precision Triple-Flute Stability:** C-profile design minimizes deviation for ultra-smooth cuts

## Overview

The EZARC Step Drill Bit combines M35 cobalt high-speed steel with a triple-flute C-profile design and an advanced AlTiN coating, delivering exceptional toughness, heat resistance, and cutting precision. Featuring nine step sizes from 1/4" to 3/4", it enables versatile, smooth drilling across metal, stainless steel, aluminum, and plastic, making it an indispensable tool for professionals seeking efficiency and durability in one compact bit.

## Description

EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic

## Features

- 【C-Profile Design】EZARC step drill bits feature a triple-flute design for increased stability, effectively reducing deviation during the cutting process. Additionally, the 'C-profile' cutting edge ensures smoother cutting and an increased cutting speed
- 【M35 HSS Step Drill】M35 cobalt high-speed steel, through heat treatment, achieves toughness and bending strength that surpass standard high-speed steel, making this step drill bit more suitable for cutting hard materials
- 【AlTiN Coating】Step bits coated with aluminum titanium nitride, rated at 89HRC for exceptional hardness and thermal properties. This coating offers superior resistance to heat, wear, and corrosion, with high adhesion and low friction
- 【Nine Step Sizes】Spiral flute design, featuring nine distinct steps, offers seamless and effective drilling across various thicknesses, eliminating the need for multiple bits. Includes 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
- 【Please Note】Material thickness: Suitable for metal sheet up to 1/8" (3 mm) thick and stainless steel sheet up to 1 mm thick. Add cutting oil or use coolant during continuous operation. Due to the larger cutting angles, the startup speed may be slower

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | EZARC |
| Part number | 80376191 |
| Item Weight | 100 g |
| Product Dimensions | 14.48 x 4.5 x 4.5 cm; 100 g |
| Manufacturer reference | 80376191 |
| Size | 1/4"-3/4" |
| Finish | Aluminum |
| Material | Cobalt, High Speed Steel (HSS) |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Cobalt, High Speed Steel (HSS)
- **Finish type:** Aluminum
- **Shank type:** Hex
- **Brand:** EZARC
- **Item dimensions L x W x H:** 14.5 x 4.5 x 4.5 centimetres

## Images

![EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic - Image 1](https://m.media-amazon.com/images/I/71s0-IbF03L.jpg)
![EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic - Image 2](https://m.media-amazon.com/images/I/810-OSBu8dL.jpg)
![EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic - Image 3](https://m.media-amazon.com/images/I/81VsbU8IoGL.jpg)
![EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic - Image 4](https://m.media-amazon.com/images/I/81BzZDDPSLL.jpg)
![EZARCStep Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic - Image 5](https://m.media-amazon.com/images/I/71JCrYj4TgL.jpg)

## Available Options

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

## Questions & Answers

**Q: How will AlTiN coating affect the performance of step drills?**
A: AlTiN Coating, with a hardness of 89 HRC, offers excellent hardness and thermal properties. It provides great resistance to heat, wear, corrosion and can withstand temperatures up to 900°C.

**Q: What types of metal can I cut with ezarc step drill bit?**
A: You can use EZARC step drills to cut or drill through various metals, including aluminum, brass, copper, cast iron, galvanized pipe, stainless steel, and low-carbon steel.

**Q: How do I properly use this step drill bit?**
A: Ensure the chuck is securely tightened on the power tool. Use low speed and apply light pressure on the workpiece until reaching the desired depth. Lubricate the cutting edge with oil or a water-soluble lubricant to reduce friction, heat, and debris.

**Q: What is the maximum thickness of the material used?**
A: Suitable for metal sheet up to 1/8" (3mm) thick and stainless steel sheet up to 1mm thick.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-10*