---
product_id: 47138273
title: "Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes"
brand: "ruimi"
price: "₨1706"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/47138273-spiral-nitriding-step-drill-bit-ruimi-multi-hole-cutter-total
store_origin: LK
region: Sri Lanka
---

# Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes

**Brand:** ruimi
**Price:** ₨1706
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes by ruimi
- **How much does it cost?** ₨1706 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/47138273-spiral-nitriding-step-drill-bit-ruimi-multi-hole-cutter-total)

## Best For

- ruimi enthusiasts

## Why This Product

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

## Description

RUIMI Titanium Step Drill Bit, High Speed Steel HSS Quick Change 1/4&quot; Shank Total 31 Sizes 3-Piece Set Tool for Carbon Steel, Sheet Iron, Insulation Boards, PVC Boards, Planks, and Wood Features: === Drill 19 hole sizes.=== This compact set replaces 31 individual drill bits.=== Titanium nitride coating for cooler running.=== Quick-change 1/4&quot; hex shank.=== High Speed Steel for long service life.=== They also help to enlarge existing holes.=== The two flute design tips made the penetration faster without chipping. === Application: suitable for below 25 hardness of the work piece, such as carbon steel, sheet iron, insulation boards, PVC boards, planks, and wood thickness below 5MM. Specifications:Material: High speed steelSizes of the 3 Step Drill Bits: 15 Step bits from 4-32mm 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32mm  9 Step bits from 4-20mm 4 6 8 10 12 14 16 18 20mm 10 Step bits from 4-12mm 4 5 6 7 8 9 10 11 12mm Package included:3 x Drill Bit RUIMI Warranty Description:If this item was damaged within 30 days,Please send E-mail to us (add items damaged photo)Plan A :We will  return all money  to you Plan B:we will resend new one for you,meanwhile  we pay the return shipping fee

## Features

- Nitriding | HIGH SPEED STEEL: Classic high speed steel with Nitriding coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal.Hard and strong than titanium
- 135° Spiral SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
- Spiral FLUTE DESIGN: clears chips faster and allows particles to escape easily
- TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
- INCLUDES 10 STEP SIZES: 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm

## Images

![Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes - Image 1](https://images-na.ssl-images-amazon.com/images/I/417X2rMChTL.jpg)
![Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes - Image 2](https://images-na.ssl-images-amazon.com/images/I/61HvoLA4JKL.jpg)
![Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes - Image 3](https://images-na.ssl-images-amazon.com/images/I/51f5VMPbv1L.jpg)
![Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes - Image 4](https://images-na.ssl-images-amazon.com/images/I/61HkEyq1L8L.jpg)
![Spiral Nitriding Step Drill Bit | RUIMI Multi Hole Cutter | Total 8 Step Sizes - Image 5](https://images-na.ssl-images-amazon.com/images/I/51CeFkey3KL.jpg)

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**Shop now:** [https://www.desertcart.lk/products/47138273-spiral-nitriding-step-drill-bit-ruimi-multi-hole-cutter-total](https://www.desertcart.lk/products/47138273-spiral-nitriding-step-drill-bit-ruimi-multi-hole-cutter-total)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-17*