---
product_id: 24719914
title: "Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank"
brand: "klein tools"
price: "€ 68.89"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/24719914-klein-tools-ktsb15-step-drill-bit-15-double-fluted-7
store_origin: IE
region: Ireland
---

# Laser-etched step markings for precision 3/8-inch hex shank for secure grip 10x durability with AlTiN coating Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank

**Brand:** klein tools
**Price:** € 68.89
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill smarter, last longer — the pro’s choice for precision and power!

## Quick Answers

- **What is this?** Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank by klein tools
- **How much does it cost?** € 68.89 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/24719914-klein-tools-ktsb15-step-drill-bit-15-double-fluted-7)

## Best For

- klein tools enthusiasts

## Why This Product

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

## Key Features

- • **Clean, Fast Cuts:** Double-fluted design optimizes chip removal for smoother, cleaner holes across steel, wood, plastic, and aluminum.
- • **Secure, No-Slip Grip:** Thick 3/8-inch hex shank prevents slipping or rounding out, ensuring steady, professional-grade performance every time.
- • **Unmatched Durability:** Aluminum titanium nitride coating delivers 10x longer life than standard bits, built to outlast your toughest projects.
- • **Versatile Hole Sizes:** Step drill bit covers 7/8" to 1-3/8" in three precise steps—perfect for multi-material projects and on-the-fly adjustments.
- • **Precision at a Glance:** Laser-etched, high-visibility step markings let you drill exact hole sizes quickly—no guesswork, no wasted time.

## Overview

The Klein Tools KTSB15 Step Drill Bit features a durable aluminum titanium nitride coating for 10x longer life, a secure 3/8-inch hex shank to prevent slipping, and laser-etched step markings for precise hole sizing from 7/8" to 1-3/8". Its double-fluted design ensures clean cuts and efficient chip removal, making it ideal for steel, wood, plastic, and aluminum applications. Engineered for professionals who demand reliability and accuracy.

## Description

Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank

## Features

- DURABLE COATING: Step bits are coated with aluminum titanium nitride, providing a durability that is 10 times greater than black oxide, ensuring an extended bit lifespan
- CLEAN CUTS: Two straight flutes on this Step Drill Bit provide chip removal and cleaner cuts
- SECURE GRIP WITH DURABLE HEX SHANK: The thick 3/8-Inch hex shank prevents rounding out in the drill chuck, providing a more positive grip and secure operation
- LASER-ETCHED MARKINGS: High-visibility markings are provided for primary hole sizes, making it easy to identify the desired hole size and achieve accurate drilling
- NON-WALKING DRILL TIP: The fast-starting, non-walking drill tip ensures precise and accurate drilling, allowing for clean and professional results
- MULTIPLE MATERIAL APPLICATIONS: Suitable for steel (up to 16 gauge), wood, plastic, and aluminum, offering versatility and convenience
- 3-HOLE SIZES: With hole sizes ranging from 7/8" to 1-3/8, this 3-hole Step Drill Bit offers versatility and accommodates various drilling needs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | M2 Steel |
| Cutting Diameter | 22.23 Millimeters |
| Finish Type | Silver |
| Shank Type | Hex |
| Brand | KLEIN TOOLS |
| Item dimensions L x W x H | 5.2 x 3.4 x 0.7 inches |
| Tool Flute Type | Straight |
| Point Style | Step Point |
| Surface Recommendation | Steel, Aluminum, Wood, Plastic |
| Number of Flutes | 2 |
| UPC | 092644591150 |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00092644591150 |
| Manufacturer | Klein Tools |
| Part Number | KTSB15 |
| Item Weight | 7.4 ounces |
| Product Dimensions | 5.2 x 3.4 x 0.7 inches |
| Item model number | KTSB15 |
| Is Discontinued By Manufacturer | No |
| Size | 3-hole sizes |
| Color | Black |
| Style | Standard |
| Finish | Silver |
| Pattern | Solid |
| Shape | Rectangular |
| Power Source | Hand_powered |
| Item Package Quantity | 1 |
| Measurement System | Inch |
| Included Components | KTSB15 |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Normal life of the product |

## Product Details

- **Material:** M2 Steel
- **Cutting Diameter:** 22.23 Millimeters
- **Finish Type:** Silver
- **Shank Type:** Hex
- **Brand:** KLEIN TOOLS

## Images

![Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank - Image 1](https://m.media-amazon.com/images/I/51LeOxKiGIL.jpg)
![Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank - Image 2](https://m.media-amazon.com/images/I/61Zr1ju1T0L.jpg)
![Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank - Image 3](https://m.media-amazon.com/images/I/61-3HBApAlL.jpg)
![Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank - Image 4](https://m.media-amazon.com/images/I/61PmxmKASTL.jpg)
![Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank - Image 5](https://m.media-amazon.com/images/I/61VDZ8Hy7GL.jpg)

## Available Options

This product comes in different **Size, Style** options.

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- Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank
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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-18*