---
product_id: 75258093
title: "4001-03-100 Machinist Knife Edge Solid Inspection Square 4 x 2-3/4 x .240 Inches Thick (100 mm x 70 mm) DIN 875/00 (Square w/in 3 microns or 0.0001 Inches)"
brand: "kinex"
price: "€ 97.18"
currency: EUR
in_stock: true
category: "Kinex"
url: https://www.desertcart.de/products/75258093-4001-03-100-machinist-knife-edge-solid-inspection-square-4
store_origin: DE
region: Germany
---

# ±3 microns accuracy 4 x 2.75 x 0.24 inch precision Solid tool steel build 4001-03-100 Machinist Knife Edge Solid Inspection Square 4 x 2-3/4 x .240 Inches Thick (100 mm x 70 mm) DIN 875/00 (Square w/in 3 microns or 0.0001 Inches)

**Brand:** kinex
**Price:** € 97.18
**Availability:** ✅ In Stock

## Summary

> 📐 Precision that stands the test of time—measure like a master.

## Quick Answers

- **What is this?** 4001-03-100 Machinist Knife Edge Solid Inspection Square 4 x 2-3/4 x .240 Inches Thick (100 mm x 70 mm) DIN 875/00 (Square w/in 3 microns or 0.0001 Inches) by kinex
- **How much does it cost?** € 97.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/75258093-4001-03-100-machinist-knife-edge-solid-inspection-square-4)

## Best For

- kinex enthusiasts

## Why This Product

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

## Key Features

- • **Ready to Impress:** Arrives in a padded box with a signed inspection certificate—because your craft deserves certified excellence.
- • **Unrivaled Precision:** Guaranteed squareness within 3 microns (0.0001 inches) for flawless measurements every time.
- • **Smart Design Details:** Inner corner groove clears burrs and debris, ensuring clean, reliable readings without interference.
- • **Rock-Solid Durability:** Crafted from a single solid blank of tool steel that resists warping and maintains accuracy indefinitely.
- • **Engineered for Professionals:** Meets strict German DIN 875/00 standards, trusted by machinists and woodworkers since 1906.

## Overview

The Kinex 4001-03-100 Machinist Knife Edge Solid Inspection Square is a premium measuring tool engineered for ultimate precision and durability. Measuring 4 x 2.75 x 0.24 inches, it is machined from solid tool steel and guaranteed square within 3 microns (0.0001 inches) per DIN 875/00 standards. Ideal for professional machinists, woodworkers, and DIY perfectionists, it features a burr-clearing groove and comes with a signed inspection certificate in a protective padded box.

## Description

This precision machinist square is made by Kinex Measuring who has been in the business of making quality and accurate measuring tool since 1906. This square is perfect for the professional machinist, meticulous wood worker, or the DIY perfectionist. It is ground from a solid blank of 6 mm (.240 inch) thick tool steel, so will never go out of square. All faces and edges are ground and lapped for straightness and parallelism. There is a groove milled in the inner corner to provide clearance for burrs and debris. Manufactured to strict German DIN 875/00 standards and guaranteed square to within 3 microns or 0.0001 inches (that’s one ten-thousandths of an inch). Comes in a padded box. Includes signed inspection certificate.

## Features

- Overall size: 4" x 2-3/4" x 0.240"
- Adheres to strict German DIN 875/00 accuracy standards- squareness guaranteed to w/in 3 microns or 0.0001” (that's one ten thousandth of an inch!)
- Machined from a solid blank of tool steel (will never go out of square)
- Wide enough to stand on its edge on its own
- Made by Kinex Measuring

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B017NQ0X32 |
| Best Sellers Rank | #1,423,991 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,408 in Carpentry Squares |
| Brand Name | KINEX |
| Color | Silver |
| Customer Reviews | 4.2 4.2 out of 5 stars (16) |
| Global Trade Identification Number | 08595604717109 |
| Item Dimensions L x W | 4"L x 2.75"W |
| Item Thickness | 0.24 Inches |
| Item Weight | 0.12 Kilograms |
| Manufacturer | Kinex Measuring |
| Material Type | Alloy Steel |
| Model | 4001-03-100 |
| Part Number | 4001-03-100 |
| Style Name | Square |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** KINEX
- **Color:** Silver
- **Material:** Alloy Steel
- **Product Dimensions:** 4"L x 2.75"W
- **Style:** Square

## Images

![4001-03-100 Machinist Knife Edge Solid Inspection Square 4 x 2-3/4 x .240 Inches Thick (100 mm x 70 mm) DIN 875/00 (Square w/in 3 microns or 0.0001 Inches) - Image 1](https://m.media-amazon.com/images/I/7115-DfLJxL.jpg)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-09-04*