---
product_id: 6235246
title: "NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point"
brand: "neiko"
price: "$120.54"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/6235246-neiko-10198a-step-drill-bit-set-5-piece-4mm-35mm
store_origin: EC
region: Ecuador
---

# 5-piece set 135° tip angle Tri-flatted shank NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point

**Brand:** neiko
**Price:** $120.54
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Your Way to Perfection!

## Quick Answers

- **What is this?** NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point by neiko
- **How much does it cost?** $120.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/6235246-neiko-10198a-step-drill-bit-set-5-piece-4mm-35mm)

## Best For

- neiko enthusiasts

## Why This Product

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

## Key Features

- • **Secure Fit:** Tri-flatted shank prevents slipping in power tools for maximum efficiency.
- • **Comprehensive Range:** Multiple hole sizes for all your drilling needs, from 4mm to 35mm.
- • **Precision Engineering:** 135° split point tip for self-centering and faster cutting.
- • **Versatile Applications:** Cuts through steel, wood, and more with minimal pressure.
- • **Efficient Chip Clearance:** Two-flute design ensures smoother drilling and cleaner holes.

## Overview

The NEIKO10198A Step Drill Bit Set is a 5-piece collection designed for precision and durability. Featuring a 135° split point tip for self-centering, a two-flute design for efficient chip clearance, and a tri-flatted shank for a secure fit in power tools, this set is perfect for drilling through various materials including steel, wood, and plexiglass. With a range of sizes from 4mm to 35mm, it meets all your drilling needs with ease.

## Description

The NEIKO 10198A Step Up Drill Bit set is your all-in-one drill bit set, drill a range of different sizes with a single bit. Looking to expand holes or drill into metal, this drill bit in the shape of a cone has multiple sizes in one. A conical shaped bit that allows you to drill a variety of hole sizes without needing to change between bits. The tip of the drill bit drills the smallest hole and as you step or drill further down the diameter increases as you drill. 1 x 6mm shank: 4 to 12 mm, 9 steps(4, 5, 6, 7, 8, 9, 10, 11, 12mm) 1 x 6mm shank: 4 to 12 mm, 5 steps)4, 6, 8, 10, 12mm) 1 x 8mm shank: 6 to 18 mm, 7 steps(6, 8, 10, 12, 14, 16, 18 mm) 1 x 8mm shank: 4 to 22 mm, 10 steps(4,6,8,10,12,14,16,18, 20, 22mm) 1 x 10mm shank: 6 to 35 mm, 13 steps(6, 8, 10, 13, 16, 18, 20, 22, 25, 28, 30, 32, 35 mm) 1 Blow Mold Carrying Case

## Features

- 135° SPLIT POINT TIP: Each step down drill bit is made with high strength HSS and is black and cobalt-treated for added durability to ensure long service life and longevity. The design of the tip angle increases cutting speed with self-centering and prevents walking off the surface of workpiece.
- 2 FLUTE DESIGN: This metric stepper drill bit has a two-flute design that clears chips faster, smoother, and allows particles to escape easily making cleaner holes at any worksite.
- TRI-FLATTED SHANK: Each unibit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
- HSS STEP BIT: This step up drill bit set cuts through steel, sheet metal, wood, plexiglass, enlarges a hole, and other surfaces creating relatively clean holes with only a small amount of pressure and deburrs as you drill.
- MULTIPLE HOLE DRILL BIT: 6 millimeter shank: (9 steps- 4, 5 , 6, 7, 8 ,9 10, 11, 12 mm),(5 steps- 4, 6, 8, 10, 12 mm) and 8mm shank (7 steps- 6, 8, 10, 12, 14, 16, 18 mm),(10 steps- 4, 6, 8, 10, 12, 14, 16, 18, 20, 22mm) and 10mm shank (13 steps- 6, 8, 10, 13, 16, 18, 20, 22, 25, 28, 30, 32, 35 mm).

## Product Details

- **Material:** Tri-Flat Shank
- **Cutting Diameter:** 4 Millimeters
- **Finish Type:** Titanium
- **Shank Type:** Straight
- **Cutting Angle String:** 135 Degrees

## Images

![NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point - Image 1](https://m.media-amazon.com/images/I/61P-q+ZGqpL.jpg)
![NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point - Image 2](https://m.media-amazon.com/images/I/61hQdWILjAL.jpg)
![NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point - Image 3](https://m.media-amazon.com/images/I/61BpbNGT8aL.jpg)
![NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point - Image 4](https://m.media-amazon.com/images/I/61mzns9vj2L.jpg)
![NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point - Image 5](https://m.media-amazon.com/images/I/61oQ8yAhyvL.jpg)

## Available Options

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

## Frequently Bought Together

- NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point
- NEIKO 02638A 5-Inch Automatic Center Punch for Metal, Adjustable Impact Spring Loaded Center Punch Tool, Spring Punch, Center Punch Spring Loaded, Auto Center Punch

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-21*