---
product_id: 296643484
title: "Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm"
brand: "boomgood"
price: "S$30"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/296643484-machinist-square-set-engineer-90-right-angle-precision-ground-hardened
store_origin: SG
region: Singapore
---

# 80x50mm precision size DIN 875 Grade 1 accuracy Hardened steel with protective case Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm

**Brand:** boomgood
**Price:** S$30
**Availability:** ✅ In Stock

## Summary

> 📐 Master every angle with precision that professionals trust!

## Quick Answers

- **What is this?** Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm by boomgood
- **How much does it cost?** S$30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/296643484-machinist-square-set-engineer-90-right-angle-precision-ground-hardened)

## Best For

- boomgood enthusiasts

## Why This Product

- Trusted boomgood brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready for Action:** Comes with a protective case to keep your precision tool pristine and ready for every job.
- • **Compact & Durable:** 80x50mm size fits comfortably in your toolkit, crafted from hardened steel for long-lasting reliability.
- • **Parallel Perfection:** Beams and blades are ground and lapped to guarantee absolute parallelism, elevating your craftsmanship.
- • **Unmatched Precision:** Certified DIN 875 Grade 1 ensures flawless right angles for your most exacting projects.
- • **True Right Angles Inside & Out:** Engineered for perfect 90° alignment both internally and externally—no guesswork needed.

## Overview

The Boomgood Machinist Square Set is a precision-engineered 80x50mm hardened steel angle ruler, certified to DIN 875 Grade 1 standards. It guarantees true 90° angles inside and out, with ground and lapped beams and blades for perfect parallelism. Packaged with a protective case, it’s the essential tool for engineers and machinists demanding flawless layout and measurement accuracy.

## Description

Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm

## Features

- Designed for precision layout and measurement work;Precision: DIN 875 Grade 1
- Squares are true right angles both inside and outside
- Beams and blades are ground and lapped for parallelism
- Length of blade is measured from corner edge of beam to end of blades
- Included protective case

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07H7HRKKT |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #20,538 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 in Carpentry Squares |
| Color | Silver |
| Customer Reviews | 4.3 4.3 out of 5 stars (922) |
| Date First Available | September 10, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 4.2 ounces |
| Manufacturer | Boomgood |
| Material | Hardened Steel |
| Measurement System | Metric |
| Part Number | BM0907 |
| Product Dimensions | 3.15 x 1.97 x 0.35 inches |
| Size | 80x50mm(3.2x2 inch) |
| Style | Square |

## Product Details

- **Material:** Hardened Steel
- **Brand:** Boomgood
- **Style:** Compact
- **UPC:** 713012556068

## Images

![Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm - Image 1](https://m.media-amazon.com/images/I/71-hDnhGUiL.jpg)
![Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm - Image 2](https://m.media-amazon.com/images/I/61WRoDYyhpL.jpg)
![Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm - Image 3](https://m.media-amazon.com/images/I/61XTkx8BNAL.jpg)
![Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm - Image 4](https://m.media-amazon.com/images/I/61vjo1pt4mL.jpg)
![Machinist Square Set Engineer 90 Right Angle Precision Ground Hardened Steel Angle Ruler 80x50mm - Image 5](https://m.media-amazon.com/images/I/71VMRNxYn-L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Does the 100 x  62 mm come with the storage box as shown?**
A: Yes,every size come with a storage box as shown

**Q: I can’t get the clear plastic off… Any tips?**
A: You could try using a hair dryer to warm the plastic up which may allow it to release. Just a suggestion as I did not experience this issue.

**Q: Is this perfect to make sure your models are orthogonal**
A: Depends on what you are working on

**Q: Do you sell them in sets or do I have to order individually??**
A: They come in either piece by piece or a set

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.sg/products/296643484-machinist-square-set-engineer-90-right-angle-precision-ground-hardened](https://www.desertcart.sg/products/296643484-machinist-square-set-engineer-90-right-angle-precision-ground-hardened)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-20*