---
product_id: 328603106
title: "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"
brand: "jerax tools"
price: "Bs.612"
currency: BOB
in_stock: true
reviews_count: 9
category: "Jerax Tools"
url: https://www.desertcart.bo/products/328603106-jerax-tools-1-4-to-1-3-8-inch-step
store_origin: BO
region: Bolivia
---

# 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 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

**Brand:** jerax tools
**Price:** Bs.612
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 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 by jerax tools
- **How much does it cost?** Bs.612 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/328603106-jerax-tools-1-4-to-1-3-8-inch-step)

## 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 unmatched toughness and wear resistance.
- • **Time-Saving Size Visibility:** Polished step markings let you drill multiple hole sizes without stopping.
- • **All-in-One Step Drill Solution:** Five marked hole sizes from 1/4" to 1-3/8" eliminate the need for multiple bits.
- • **Versatile Multi-Material Mastery:** Effortlessly drills stainless steel, copper, aluminum, wood, plastic & more.
- • **Precision Engineered for Professionals:** CNC-processed M2 HSS ensures cleaner, faster, and longer-lasting cuts.

## Overview

The Jerax Tools Step Drill Bit is a premium M2 High Speed Steel bit featuring enhanced tungsten and molybdenum content, vacuum heat treatment, and nitride surface hardening for superior durability. Designed with polished, size-marked steps and double flutes, it delivers clean, fast holes across stainless steel (up to 12ga), copper, aluminum, wood, and plastic. Its multi-size capability (1/4" to 1-3/8") streamlines your toolkit, making it ideal for professionals demanding precision and efficiency.

## 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 | #3,105 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 (554) |
| 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

![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 - Image 1](https://m.media-amazon.com/images/I/418YE8CwOjL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/41BHZiLjHBL.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/41I5bhBOMRL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/41Se-t34ArL.jpg)
![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 - 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 Bolivia*
*Store origin: BO*
*Last updated: 2026-01-25*