# Anchor Bolt Drill Calc2026 — Bolt size, drill depth

> Bolt size, drill depth (iPhone/iPad app by hao du.)

- Source: https://appshunter.io/ios/app/anchor-bolt-drill-calc2026/id6781996787 (this page in markdown: same URL + `.md`)
- Developer: [hao du](https://appshunter.io/developer/1454457703)
- Category: Utilities
- Price: $0.29 (on sale, was $0.39)
- Age rating: 4+
- Requires: iOS 15.6 · 1 MB
- Languages: English, French, German, Japanese, Korean, Portuguese, Russian, Chinese, Spanish
- Released: 2026-06-23
- Data updated: 2026-08-11
- User reviews in markdown: https://appshunter.io/ios/app/anchor-bolt-drill-calc2026/id6781996787/reviews.md

## What is Anchor Bolt Drill Calc2026?

Anchor Bolt Calc is an offline field tool for installation, renovation, mechanical fixing, and hardware selection. It helps users check anchor bolt specifications, recommended hole diameter, drilling depth, effective embedment, washer and nut references, and installation notes.

The app includes a specification library, drill depth calculator, embedment calculator, edge and spacing checks, material templates, quantity summaries, project records, unit switching, and local-only storage. No login, network connection, or data upload is required.


## Version history (last 2 releases)

### 1.1 — 2026-08-06

Added a feedback feature.

### 1.0 — 2026-06-23

No release notes.

## More apps by hao du

- [Puzzle: Calculate 24](https://appshunter.io/ios/app/puzzle-calculate-24/id6760665747)
- [Pomodoro Focus Time](https://appshunter.io/ios/app/pomodoro-focus-time/id6761978201)
- [WiFi Password Memo](https://appshunter.io/ios/app/wifi-password-memo/id6762079284)
- [Password Generator New](https://appshunter.io/ios/app/password-generator-new/id6762613117)
- [Speed Test-2](https://appshunter.io/ios/app/speed-test-2/id6762631974)
- [节拍器极简](https://appshunter.io/ios/app/id6762840147)

All apps by hao du: https://appshunter.io/developer/1454457703

---

*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 2026-08-11.*