---
title: "Screw Size Chart Drill Bits mm - Reviews, Revenue and Downloads in Australia | Apple App Store"
description: "Which drill bit for an M6 screw in hardwood? ScrewGuide answers in two taps — the complete screw and drill-bit chart with the exact pilot hole for the material in front of you, fully offline.  Printed"
---

# Screw Size Chart Drill Bits mm — Australia
> Pilot Hole, Gauge, Tap, TPI

![Screw Size Chart Drill Bits mm App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/7f/e3/56/7fe356a2-93e9-21b8-3ab6-9e9a87be55bd/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png)

**Developer:** [Phuc Pham](https://apptail.io/developer/phuc-pham-FJYWgc)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.levi.screwguide
**Store:** Apple App Store
**Country:** Australia
**Version:** 1.2.1 (released 2026-08-19)
**Original Release:** 2026-05-28
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/au/app/app/id6772276125)
**AppTail Page:** [https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/australia](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/australia)

## Screw Size Chart Drill Bits mm Description
Which drill bit for an M6 screw in hardwood? ScrewGuide answers in two taps — the complete screw and drill-bit chart with the exact pilot hole for the material in front of you, fully offline.

Printed charts give you one number and hope you guessed the material right. ScrewGuide is material-aware: pick a screw, pick softwood, hardwood, MDF/chipboard, plasterboard, sheet metal or plastic, and it works out the pilot, clearance and countersink diameter for that exact combination — then names the nearest real drill bit sitting in your kit, in millimetres or inches.

WHAT YOU GET
- The right pilot hole every time, calculated per material, so timber stops splitting and screws stop stripping
- 20 screw sizes cross-referenced: metric M2-M12 first, plus US gauge #4-#14 and tapered wood screws, with major and minor diameter, thread pitch, TPI, head diameter, typical lengths and common uses
- A full 68-bit drill chart in one place: metric bits, fractional inch, number (No.1-No.60) and letter (A-Z), all with millimetre and decimal equivalents
- Measured something and don't know what it is? Dial in a diameter and get the nearest screw and the nearest drill bit instantly
- A metric tap-drill chart, so you can thread a hole without hunting a reference online
- Head styles and drive types decoded — countersunk, pan, dome, hex and oval heads, Phillips, Pozidriv, Square/Robertson, Torx and Hex/Allen — plus why pilot holes work at all

PERFECT FOR
- Chippies and woodworkers who refuse to split another board
- DIYers assembling flat-pack, hanging shelves or mounting a TV
- Makers and 3D-printing hobbyists living in M3 and M4 hardware
- Trades and hobby mechanics switching between metric and imperial on the same job

WHY NOT JUST GOOGLE IT?
Because the shed has no signal, your hands are dirty and the search results argue with each other. ScrewGuide keeps every number on the device, opens instantly, and gives one clear answer per material instead of ten forum opinions. Save the sizes you use most to favourites and they are one tap away next time, alongside the last 12 you looked at.

PRIVACY
No account, no sign-up, no ads, no tracking, no internet connection required. Every chart is built into the app, and your saved sizes and unit preference (mm or inch, with fractions) stay on your iPhone. An optional local reminder is there if you want it.

FULL ACCESS
Material-aware pilot, clearance and countersink sizing, the complete drill-bit chart, the tap-drill chart and the size finder unlock with full access. Choose a weekly subscription (com.levi.screwguide.weekly), a yearly subscription (com.levi.screwguide.yearly), or pay once for lifetime access (com.levi.screwguide.lifetime) — one payment, no renewal. Ten of the 20 screw sizes stay browsable for free so you can try the reference first. Purchases use StoreKit 2 and can be restored any time.

Open ScrewGuide before the drill comes out and get the hole right the first time.

Terms of Use (EULA): 
Privacy Policy: 
Questions? tphuc.work@gmail.com

## Screw Size Chart Drill Bits mm Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/13/ff/23/13ff23da-5487-58b6-0c44-014b58aa0e28/01.png/1290x2796.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7d/8a/21/7d8a21c0-c2b0-70d6-8d22-40d7eeb8e30a/02.png/1290x2796.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ee/3a/7e/ee3a7e4d-f04b-69b5-2ff2-3814de30cb2e/03.png/1290x2796.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5e/05/6a/5e056a92-5154-fc82-5742-d51031b30d9c/04.png/1290x2796.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/20/c9/99/20c999d5-05f5-2560-d95a-cf9c6139e243/05.png/1290x2796.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/43/7d/6c/437d6c44-20bd-024e-ac1d-42e5dac37a39/06.png/1290x2796.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/4f/2f/4c/4f2f4c8f-e314-4f8b-c968-8b2e7e4b6a81/07.png/1290x2796.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/2a/9c/05/2a9c0597-d5b9-952c-acec-201874b5cddc/08.png/1290x2796.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1f/11/db/1f11db0a-f175-98ae-d544-c2cb867d0b66/09.png/1290x2796.png)
- [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/45/b4/56/45b45685-49ca-9d9f-e570-ae89a7d86be8/10.png/1290x2796.png)



## Screw Size Chart Drill Bits mm In-App Purchases
| Item | Price |
|------|-------|
| Yearly | $79.99 |
| Weekly | $14.99 |



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## Screw Size Chart Drill Bits mm Available In
- [United Arab Emirates](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/united-arab-emirates)
- [Australia](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/australia)
- [Canada](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/canada)
- [Switzerland](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/switzerland)
- [Czechia](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/czechia)
- [Spain](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/spain)
- [United Kingdom](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/united-kingdom)
- [Hong Kong SAR China](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/hong-kong)
- [Croatia](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/croatia)
- [Ireland](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/ireland)
- [Israel](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/israel)
- [Macao SAR China](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/macau)
- [Mexico](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/mexico)
- [New Zealand](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/new-zealand)
- [Pakistan](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/pakistan)
- [Poland](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/poland)
- [Ukraine](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/ukraine)
- [United States](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/united-states)
- [South Africa](https://apptail.io/app/screw-size-chart-drill-bits-mm-VlqA/south-africa)

---

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