---
title: Step Drill Straight Flute 4-20mm
description: "Step Drill Straight Flute 4-20mm (Product code: BTWSD4-20) with nine steps. Fully ground premium HSS M2 increases durability and TiN coating reduces heat and wear for product longevity. Non-skid tip eliminates the need for pre-drilling and the 2-flute design is for smoother cutting."
image: https://bristoltools.com.au/hubfs/STEP20.png
---

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  Resources

    - [Catalogue](https://bristoltools.com.au/catalogue)
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    - [FAQ](https://bristoltools.com.au/faqs)
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- [Contact](https://bristoltools.com.au/contact)

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- [Home](https://bristoltools.com.au/home)
- [Products](https://bristoltools.com.au/products)
- [Where to Buy](https://bristoltools.com.au/store-locator)
- Resources
  
  Resources

    - [Catalogue](https://bristoltools.com.au/catalogue)
    - [Policies](https://bristoltools.com.au/policies)
    - [FAQ](https://bristoltools.com.au/faqs)
- [Become a Stockist](https://bristoltools.com.au/stockist)
- [Contact](https://bristoltools.com.au/contact)

### Step Drill Straight Flute 4-20mm

![STEP20](https://22457126.fs1.hubspotusercontent-na1.net/hub/22457126/hubfs/STEP20.png?width=1200&length=1200&name=STEP20.png)

#### **Product Description:**

- Product code: BTWSD4-20
- Drills sheet metal, steel & plastic
- Number of Steps: 9
- Fully ground premium HSS M2 to increase durability
- TiN coating reduces heat and wear for product longevity
- Non-skid tip eliminates the need for pre-drilling
- 2 flute design for smoother cutting
- Laser etched hole ø
- ø Included: 4, 6, 8, 10, 12, 14, 16, 18 & 20mm
- Shank: 8.0mm
- Cut depth: Up to 4mm
- Suits: Non-hammer action portable power drills
- Non-slip shank

#### Technical Specifications:

| Brand | BRISTOL |
| --- | --- |
| Series | Gold |
| Type of Measure | Metric |
| Barcode | 9313601004461 |
| Category | Step Drill |
| Longest side (mm) | 165.00 |
| Median side (mm) | 75.00 |
| Shortest side (mm) | 32.00 |
| Weight (gr) | 60.00 |
| Order Quantity | 1 |

![bristolfooterv2](https://bristoltools.com.au/hs-fs/hubfs/bristolfooterv2.png?width=250&name=bristolfooterv2.png "bristolfooterv2")