---
product_id: 99798832
title: "Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 7.9 x 5 Inch"
brand: "boomgood"
price: "Bs.565"
currency: BOB
in_stock: true
reviews_count: 8
url: https://www.desertcart.bo/products/99798832-machinist-square-precision-engineer-wide-seat-square-90-right-angle
store_origin: BO
region: Bolivia
---

# 7.9-inch precision blade DIN 875 Grade 1 accuracy Hardened & ground steel build Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 7.9 x 5 Inch

**Brand:** boomgood
**Price:** Bs.565
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your craft with precision that professionals swear by!

## Quick Answers

- **What is this?** Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 7.9 x 5 Inch by boomgood
- **How much does it cost?** Bs.565 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/99798832-machinist-square-precision-engineer-wide-seat-square-90-right-angle)

## 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

- • **Compact Protection:** Includes a sleek plastic case to keep your precision tool pristine and always ready.
- • **Perfect Parallelism:** Ground and polished beams and blades maintain absolute parallelism for consistent results.
- • **Secure Construction:** Tapered self-locking rivets fix the blade permanently to the beam, eliminating any wobble.
- • **Unmatched Precision:** Certified DIN 875 Grade 1 ensures flawless 90° angles for your most exacting projects.
- • **Durable Craftsmanship:** Hardened, tempered, and polished steel guarantees long-lasting rigidity and reliability.

## Overview

This Machinist Square features a 7.9 x 5 inch hardened steel blade and beam, ground and polished for perfect right angles and parallelism. Certified to DIN 875 Grade 1, it offers unmatched precision for machine setup, layout, and lab use, secured by self-locking rivets and protected in a compact plastic case.

## Description

The heavy square base ensures stability and precision, you will love the weight, balance and design of this engineer square. The blade is permanently fixed to the beam by means of tapered self locking rivets which ensure complete rigidity. Blade edges and beam faces are precisely ground and polished for straight and smooth, have an inside notch for accuracy. This machinist square accuracy reaches DIN 875 Grade 1, it is THE square that you proof everything else to.  Specification: Material: Hardened Steel(45 Steel) Precision: DIN 875 Grade 1 Size: 200x125mm(7.9x5 inch)  Use For: Suitable for use in laboratory;woodworking, precision layout work and machine set-up  Package Included: 1 x Wide Seat Square  NOTE: 1. The square comes in a plastic case and wrapped in clear plastic with oil on it for protection, it's very easy to wipe off with a towel before use. 2. We recommend storing it back in it's case after use it, so that makes sure it will always remain THE standard of square for you.

## Features

- Precision: DIN 875 Grade 1,designed for precision layout, machine set-up and laboratory use
- Squares are true right angles both inside and outside
- These squares are made of hardened, tempered and polished steel, beams and blades are ground and polished for parallelism; The blade is permanently fixed to the beam by means of tapered self locking rivets which ensure complete rigidity
- 7.9 inch blade and 5 inch beam, length of blade is measured from corner edge of beam to end of blade
- The small plastic case it comes with makes sure that it will always remain THE standard of square for you from now on

## Product Details

- **Material:** Hardened Steel
- **Brand:** Boomgood
- **Color:** Silver
- **Style:** Square
- **Product Dimensions:** 7.9"L x 5"W

## Images

![Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 7.9 x 5 Inch - Image 1](https://m.media-amazon.com/images/I/61AJje3GXsL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ nice tool
*by C***O on April 15, 2025*

a great little square built well i highly recommend it

### ⭐⭐⭐⭐⭐ Very pleased
*by C***G on February 7, 2025*

This is the perfect size for making sure my table saw blade is 90 and that my rip fence is 90. I also use it on my bandsaw and my jointer. super glued a small rare earth magnet to the side of the the square to have it handy for use on my table saw.

### ⭐⭐⭐⭐⭐ T square
*by L***Y on February 27, 2025*

Small but very good and accurate

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-01-27*