# Flange Hole Marker

> Calculates flange hole marking cord length based on pitch circle diameter. (iPhone/iPad app by Imran Pinjara.)

- Source: https://appshunter.io/ios/app/flange-hole-marker/id1490671993 (this page in markdown: same URL + `.md`)
- Developer: [Imran Pinjara](https://appshunter.io/developer/1484488781)
- Category: Utilities, Productivity
- Price: $1.99
- Age rating: 4+
- Requires: iOS 16.1 · 2 MB
- Languages: American English
- Released: 2019-12-07
- Data updated: 2026-08-27
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/flange-hole-marker/id1490671993/reviews.md

## What is Flange Hole Marker?

This app is very useful during hole center Marking on flange at a given Pitch Circle Diameter.

This app gives hows much cord length required to divide required No of hole on our available Pitch Circle Diameter.

This app is very useful for those who are dealing with flange hole marking or bolt hole marking on flanges or any other application where we had to divide required no of parts on pitch circle diameter.

This app is for professional and any other who are working in the field of fabrication of process equipment such as pressure vessel, heat ex changer, storage tank,reactor, agitator or mixer and heavy engineering Equipment.

In this app Inputs required only pitch circle diameter ( PCD )or bolt hole circle diameter ( BCD ).

key words : Bolt Hole Diameter,Pitch circle Diameter,flanges, hole marking, fabrication, pressure vessel, welding etc

## Key features

- Hole center marking on flange
- Calculates cord length for hole division
- Uses Pitch Circle Diameter (PCD) or Bolt Hole Circle Diameter (BCD)
- Supports fabrication of process equipment
- Simplifies bolt hole marking

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/flange-hole-marker/id1490671993/reviews.md

### 1/5 — No info

*2021-03-10*

This could be a good app, expected to find PCD figures for a bolt hole, but doesn’t give any dimensions for the holes, also no starting angle option?? Missing some key parts...so back to the Zeus book it is! Hope you spend my £2 wiser than I did!

## Frequently asked questions about Flange Hole Marker

### What is Flange Hole Marker used for?

Flange Hole Marker is used to calculate the cord length required to accurately mark hole centers on a flange's pitch circle diameter. This is essential for precise bolt hole placement in fabrication.

### What information do I need to use Flange Hole Marker?

You only need to input the flange's Pitch Circle Diameter (PCD) or Bolt Hole Circle Diameter (BCD) into the app to get the necessary calculations.

### Who would benefit from using Flange Hole Marker?

Professionals working in the fabrication of process equipment, such as pressure vessels, heat exchangers, storage tanks, and heavy engineering equipment, will find this app very useful.

### How often is Flange Hole Marker updated?

The app was last updated on June 24, 2024, indicating ongoing support and potential improvements. The latest version is 2.0.

### What devices is Flange Hole Marker available on?

Flange Hole Marker is available for both iPhone and iPad devices.

### What is the price of Flange Hole Marker?

Flange Hole Marker is a paid application, priced at $1.99.

### Does Flange Hole Marker have ads?

No, Flange Hole Marker does not contain advertisements. It is a paid app without any in-app purchases or ads.

### What is the age rating for Flange Hole Marker?

Flange Hole Marker has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 2 releases)

### 2.0 — 2024-06-24

Updated for Higher SDK Levels.
App Theme Changes.
App Layout Changes.
done key added on soft keypad.
reduced app size.
improved user experiance.

### 1.0 — 2019-12-07

No release notes.

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## More apps by Imran Pinjara

- [Screw Flight Pro](https://appshunter.io/ios/app/screw-flight-pro/id1484488782)
- [Miter Bend Pro](https://appshunter.io/ios/app/miter-bend-pro/id1484821889)
- [Flange Hole Marker Pro](https://appshunter.io/ios/app/flange-hole-marker-pro/id1486290745)
- [Pressure Vessel Heads Pro](https://appshunter.io/ios/app/pressure-vessel-heads-pro/id1486607999)
- [Petal Layout Pro](https://appshunter.io/ios/app/petal-layout-pro/id1486823832)
- [Pump Calculator](https://appshunter.io/ios/app/pump-calculator/id1487084383)

All apps by Imran Pinjara: https://appshunter.io/developer/1484488781

## Related topics

[flange hole marker pro](https://appshunter.io/ios/topics/flange-hole-marker-pro) · [flange hole marker](https://appshunter.io/ios/topics/flange-hole-marker) · [flange hole marker calc](https://appshunter.io/ios/topics/flange-hole-marker-calc) · [flange hole marker calculator](https://appshunter.io/ios/topics/flange-hole-marker-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*