---
product_id: 607686746
title: "123 Blocks Matched Pair 23 Holes .0002 Precision Ground Machinist Set Up Blocks HRC 55-62 (1-2-3\" Blocks 0.0001\" Set)"
brand: "jecoupoon"
price: "$62.79"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/607686746-123-blocks-matched-pair-23-holes-0002-precision-ground-machinist
store_origin: US
region: United States of America
---

# ±0.0003" size precision 0.0003" flatness & squareness HRC 57-62 hardened steel 123 Blocks Matched Pair 23 Holes .0002 Precision Ground Machinist Set Up Blocks HRC 55-62 (1-2-3" Blocks 0.0001" Set)

**Brand:** jecoupoon
**Price:** $62.79
**Availability:** ✅ In Stock

## Summary

> ⚙️ Precision that powers your craft — don’t settle for less!

## Quick Answers

- **What is this?** 123 Blocks Matched Pair 23 Holes .0002 Precision Ground Machinist Set Up Blocks HRC 55-62 (1-2-3" Blocks 0.0001" Set) by jecoupoon
- **How much does it cost?** $62.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/607686746-123-blocks-matched-pair-23-holes-0002-precision-ground-machinist)

## Best For

- jecoupoon enthusiasts

## Why This Product

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

## Key Features

- • **Rock-Solid Durability:** Crafted from heat-treated tool steel hardened to HRC 57-62 for lasting performance.
- • **Lightweight Yet Strong:** Cross-drilled design reduces weight without compromising strength or rigidity.
- • **Micron-Level Precision:** Achieve unmatched accuracy with ±0.0003" tolerance for flawless setups.
- • **Perfectly Matched Pair:** Two blocks paired within 0.0002"-0.0003" tolerance for seamless stacking and alignment.
- • **Six-Sided Precision Grinding:** Every surface ground for ultimate flatness, parallelism, and squareness.

## Overview

The 123 Blocks Matched Pair Set offers machinist-grade setup blocks with ±0.0003" size accuracy, hardened tool steel construction (HRC 57-62), and precision ground six-sided surfaces. Each pair is matched within 0.0002"-0.0003" tolerance, ensuring reliable, durable, and perfectly aligned tooling for professional-grade machining and inspection.

## Description

Size within +/- .0002"-+/- .0003"Flatness and parallelism within .0003"Accuracy and squareness on all sides within .0002"-.0003"Pairs are matched to a tolerance of 0.0002"-0.0003"Product featuresMade of hardened tool steel and precision ground on all six sidesSurface roughness: 6-16uinCross drilling design allows efficient use of lower weight with maximum strengthHeat treat and hardness 56 to 62 RCPackage Includes:2 pieces per set

## Features

- 1.Overall size is within +/- .0003; Flatness and parallelism within .0003.
- 2.Made of precision-grade tool steel hardened and ground on all 6 sides of block, heat treated and case hardened to HRC 57-62.
- 3.Accuracy and squareness on all sides within 0.0003.
- 4.Matched pair blocks includes 2 blocks.

## Images

![123 Blocks Matched Pair 23 Holes .0002 Precision Ground Machinist Set Up Blocks HRC 55-62 (1-2-3" Blocks 0.0001" Set) - Image 1](https://m.media-amazon.com/images/I/71rGR51KfHL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.us/products/607686746-123-blocks-matched-pair-23-holes-0002-precision-ground-machinist](https://www.desertcart.us/products/607686746-123-blocks-matched-pair-23-holes-0002-precision-ground-machinist)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-19*