---
product_id: 326140159
title: "3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic"
brand: "jerax tools"
price: "$165230"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/326140159-3-16-7-8-inch-step-drill-bit-m2-hss
store_origin: CO
region: Colombia
---

# Vacuum heat + Nitride surface hardening for max durability 12 precision step sizes from 3/16" to 7/8" M2 HSS with 50% more Tungsten & 150% more Molybdenum 3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic

**Brand:** jerax tools
**Price:** $165230
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Smarter, Not Harder — The Ultimate Step Bit Upgrade

## Quick Answers

- **What is this?** 3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic by jerax tools
- **How much does it cost?** $165230 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/326140159-3-16-7-8-inch-step-drill-bit-m2-hss)

## 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

- • **All-in-One Efficiency:** 12 clearly marked step sizes eliminate bit changes—drill multiple hole sizes with one tool.
- • **Precision Meets Power:** M2 High-Speed Steel with enhanced Tungsten & Molybdenum delivers cleaner, longer-lasting cuts.
- • **Time-Saving Visibility:** Polished steps and size highlights let you track progress without stopping—work smarter, not harder.
- • **Versatile Heavy-Duty Performance:** Effortlessly drills stainless steel, hardened metals, wood, plastic, and more up to 12ga thickness.
- • **Engineered for Speed & Clean Cuts:** CNC precision and spiral grooves ensure faster, smoother drilling with less effort.

## Overview

This 3/16-7/8 inch M2 HSS spiral step drill bit features 12 marked sizes for versatile hole drilling across stainless steel, metal, wood, and plastic. Enhanced with vacuum heat treatment and nitride surface hardening, it offers superior durability and cleaner cuts. Designed with polished steps and CNC precision, it saves time by allowing continuous drilling without stopping to check sizes.

## Description

Full description not available

## 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 12 marked sizes so you can drill 12 different hole sizes, saving you time and efforts to change bits. Marked sizes including: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"，9/16", 5/8", 11/16", 3/4", 13/16", 7/8".

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | High Speed Steel (HSS) |
| Shank Diameter | 0.38 Inches |
| Cutting Diameter | 0.88 Inches |
| Finish Type | Nitridation |
| Shank Type | Straight |
| Cutting Angle String | 118 Degrees |
| Brand | Jerax tools |
| Item dimensions L x W x H | 0.98 x 0.98 x 3.55 inches |
| Tool Flute Type | Spiral |
| Point Style | Step Point |
| Surface Recommendation | Stainless,Wood,Plastic,Metal,Steel |
| Number of Flutes | 2 |
| Unit Count | 1 Count |
| Manufacturer | Jerax tools |
| Part Number | SPG7/8 |
| Item Weight | 3.2 ounces |
| Product Dimensions | 0.98 x 0.98 x 3.55 inches |
| Item model number | SPG7/8 |
| Size | 7/8"（Spiral) |
| Finish | Nitridation |
| Item Package Quantity | 1 |
| Measurement System | Imperial, Metric |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** High Speed Steel (HSS)
- **Shank Diameter:** 0.38 Inches
- **Cutting Diameter:** 0.88 Inches
- **Finish Type:** Nitridation
- **Shank Type:** Straight

## Images

![3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic - Image 1](https://m.media-amazon.com/images/I/51n7BDTDn0L.jpg)
![3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic - Image 2](https://m.media-amazon.com/images/I/61kcRM1sMdL.jpg)
![3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic - Image 3](https://m.media-amazon.com/images/I/6144QomcD7L.jpg)
![3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic - Image 4](https://m.media-amazon.com/images/I/714RRNvHPOL.jpg)
![3/16-7/8 Inch Step Drill Bit, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Plastic - Image 5](https://m.media-amazon.com/images/I/61U8TxFdMEL.jpg)

## Available Options

This product comes in different **Size, Item Package Quantity** options.

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-01-23*