---
product_id: 328603106
title: "1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic"
brand: "jerax tools"
price: "₨955"
currency: SCR
in_stock: true
reviews_count: 9
category: "Jerax Tools"
url: https://www.desertcart.sc/products/328603106-1-4-to-1-3-8-inch-step-drill-bit
store_origin: SC
region: Seychelles
---

# Cuts up to 12ga (2.7mm) stainless steel & multiple materials Polished steps with visible size markings for nonstop drilling M2 High Speed Steel with 50% more Tungsten & 150% more Molybdenum 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

**Brand:** jerax tools
**Price:** ₨955
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Smarter, Not Harder — The Only Bit You’ll Ever Need!

## Quick Answers

- **What is this?** 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic by jerax tools
- **How much does it cost?** ₨955 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/328603106-1-4-to-1-3-8-inch-step-drill-bit)

## Best For

- jerax tools enthusiasts

## Why This Product

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

## Key Features

- • **Heavy-Duty Durability:** Vacuum heat treated and nitride-hardened for long-lasting performance on stainless steel and more.
- • **All-in-One Versatility:** Drill 5 hole sizes from 1/4" to 1-3/8" with a single bit—ditch the bit swap hassle.
- • **Multi-Material Mastery:** Effortlessly drills stainless steel, copper, aluminum, wood, plastic, and other metals up to 2.7mm thick.
- • **Time-Saving Size Visibility:** Polished steps with clear size markings let you drill without stopping to measure.
- • **Precision Engineered for Professionals:** CNC-processed M2 HSS bit delivers cleaner, faster, and easier holes every time.

## Overview

The Jerax M2 High Speed Steel Step Drill Bit offers superior durability with enhanced tungsten and molybdenum content, plus advanced heat and surface treatments. Designed for professionals, it features polished, size-marked steps for continuous drilling without interruption. This versatile bit handles five hole sizes from 1/4" to 1-3/8" and cuts through stainless steel up to 12 gauge, copper, aluminum, wood, and plastic with ease—making it the ultimate all-in-one tool for precision hole drilling.

## Description

Buy Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic: Step Drill Bits - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Very good quality - This works great. Used on heavy stainless pipe to make a large hole no problems.
Review: Sharp bit - Good drill bit for the price and works great.

## Features

- [M2 HSS]: Cuts A LOT MORE CLEAN holes and much EASIER than average step bits. In general, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving durability. Our additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
- [Non-stop]: Our Polished Steps and Size Highlights let you able to see target hole size during drilling. No need to stop in the middle of the drilling and check. Save you time and hassle.
- [Easier | Faster | Cleaner]: With our high-accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market.
- [Heavy duty]: Cuts holes on Stainless steel (need appropriate pressure), Hardened Metal, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for Stainless steel.
- [Multi Hole Sizes]: No need to buy a kit. This one step bit comes with 5 marked sizes so you can drill 5 different hole sizes, saving you time and efforts to change bits. Marked sizes including: 7/8", 1-1/8", 1-7/32", 1-1/4", 1-3/8".

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B094VN88HK |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #3,346 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Step Drill Bits |
| Brand | Jerax tools |
| Customer Reviews | 4.5 4.5 out of 5 stars (557) |
| Cutting Angle String | 118 Degrees |
| Cutting Diameter | 1.38 Inches |
| Date First Available | May 13, 2021 |
| Finish | Nitridation |
| Finish Type | Nitridation |
| Item Package Quantity | 1 |
| Item Weight | 1.6 ounces |
| Item dimensions L x W x H | 1.38 x 1.38 x 3.55 inches |
| Item model number | STG1-3/8 |
| Manufacturer | Jerax tools |
| Material | High Speed Steel (HSS) |
| Measurement System | Imperial, Metric |
| Number of Flutes | 2 |
| Part Number | STG138 |
| Point Style | Split Point |
| Product Dimensions | 1.38 x 1.38 x 3.55 inches |
| Shank Type | Straight |
| Size | 1/4" to 1-3/8" (Straight) |
| Surface Recommendation | Stainless,Wood,Aluminum,Copper,Plastic,Steel |
| Tool Flute Type | Straight |
| Unit Count | 1 Count |

## Product Details

- **Cutting Angle String:** 118 Degrees
- **Cutting Diameter:** 1.38 Inches
- **Finish Type:** Nitridation
- **Material:** High Speed Steel (HSS)
- **Shank Type:** Straight

## Images

![1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic - Image 1](https://m.media-amazon.com/images/I/418YE8CwOjL.jpg)
![1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic - Image 2](https://m.media-amazon.com/images/I/41BHZiLjHBL.jpg)
![1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic - Image 3](https://m.media-amazon.com/images/I/41I5bhBOMRL.jpg)
![1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic - Image 4](https://m.media-amazon.com/images/I/41Se-t34ArL.jpg)
![1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic - Image 5](https://m.media-amazon.com/images/I/41ZVGeeeR5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very good quality
*by B***R on October 20, 2025*

This works great. Used on heavy stainless pipe to make a large hole no problems.

### ⭐⭐⭐⭐⭐ Sharp bit
*by R***I on September 11, 2025*

Good drill bit for the price and works great.

### ⭐⭐⭐⭐⭐ Very good drill. Read sizes of drill steps carefully.
*by A***R on January 11, 2026*

Very good step drill, but I was surprised that the 1/4-1 3/8" model didn't have 1" as one of its steps. My fault for not reading more carefully.

## Frequently Bought Together

- Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic
- DEWALT Drill Bit Set, 14-Piece, 135 Degree Split Point, For Plastic, Wood and Metal (DWA1184)
- Jerax tools M2 HSS Quick Change 3/16" - 7/8" Step Drill Bit Double Fluted Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-10*