---
title: "Tap & Drill Size Reference - Reviews, Revenue and Downloads in Ireland | Apple App Store"
description: "Standing at the mill and can't remember the right drill size for an M8x1.25 tap? This app gives you the answer faster than flipping through a chart book.  Select thread type (UNC, UNF, Metric), pick y"
---

# Tap & Drill Size Reference — Ireland
> UNC UNF Metric Thread Chart

![Tap & Drill Size Reference App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/24/0f/01/240f010b-0a24-df26-48f8-42f595de9eae/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Shanghai Sheyuan Network Technology Co](https://apptail.io/developer/shanghai-sheyuan-network-technology-co-mkXe)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** €0.99
**Bundle ID:** com.sy.tapdrillquick
**Store:** Apple App Store
**Country:** Ireland
**Version:** 1.0.2 (released 2026-07-07)
**Original Release:** 2026-04-08
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ie/app/app/id6761641150)
**AppTail Page:** [https://apptail.io/app/tap-drill-size-reference-xAwz/ireland](https://apptail.io/app/tap-drill-size-reference-xAwz/ireland)

## Tap & Drill Size Reference Description
Standing at the mill and can't remember the right drill size for an M8x1.25 tap? This app gives you the answer faster than flipping through a chart book.

Select thread type (UNC, UNF, Metric), pick your size, and instantly see the recommended tap drill, clearance drill, thread percentage, and decimal equivalent. No searching, no guessing.

TAP DRILL CALCULATOR:
Select thread standard and size to get tap drill size, clearance drill, and thread percentage. Covers M3 to M24 metric, #0 to 1 inch imperial.

DRILL CHART:
Full reference table with tap drill, clearance drill, and thread percentage for every common size. One-tap lookup.

THREAD SPECIFICATIONS:
Detailed data for each size: pitch, threads per inch (TPI), major diameter, minor diameter, and pitch diameter for UNC, UNF, and ISO Metric standards.

FAVORITES:
Save your most-used tap and drill combinations for instant access on repeat jobs.

Works completely offline. No account required. Built for machinists, CNC operators, and fabrication shops who need fast, accurate thread data at the machine.

## Tap & Drill Size Reference Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d5/6d/1e/d56d1e5c-fee2-6d5f-e644-dbdb398ab513/screenshot_iphone_1.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/50/fd/20/50fd2008-35c8-3cb9-8e69-409793aa947f/screenshot_iphone_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ed/8c/27/ed8c2786-72bb-91dc-e435-07a40d91ca56/screenshot_iphone_3.jpg/1284x2778.png)







## Tap & Drill Size Reference Available In
- [Azerbaijan](https://apptail.io/app/tap-drill-size-reference-xAwz/azerbaijan)
- [Chile](https://apptail.io/app/tap-drill-size-reference-xAwz/chile)
- [Ireland](https://apptail.io/app/tap-drill-size-reference-xAwz/ireland)
- [Sweden](https://apptail.io/app/tap-drill-size-reference-xAwz/sweden)

---

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