---
product_id: 170567830
title: "OSCARBIDE 3/4\" Shank Indexable Boring Bars 8 Pieces/Set,90 Degree Round Shank Boring Bars with Indexable Carbide Inserts 4 Pieces TCMT21.51 & 4 Pieces TCMT221"
brand: "oscarbide"
price: "€ 452.02"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/170567830-oscarbide-3-4-shank-indexable-boring-bars-8-pieces-set
store_origin: ES
region: Spain
---

# Indexable carbide inserts 8-piece precision set Tin-coated rust resistance OSCARBIDE 3/4" Shank Indexable Boring Bars 8 Pieces/Set,90 Degree Round Shank Boring Bars with Indexable Carbide Inserts 4 Pieces TCMT21.51 & 4 Pieces TCMT221

**Brand:** oscarbide
**Price:** € 452.02
**Availability:** ✅ In Stock

## Summary

> ⚙️ Stay sharp, stay ahead: precision boring made effortless!

## Quick Answers

- **What is this?** OSCARBIDE 3/4" Shank Indexable Boring Bars 8 Pieces/Set,90 Degree Round Shank Boring Bars with Indexable Carbide Inserts 4 Pieces TCMT21.51 & 4 Pieces TCMT221 by oscarbide
- **How much does it cost?** € 452.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/170567830-oscarbide-3-4-shank-indexable-boring-bars-8-pieces-set)

## Best For

- oscarbide enthusiasts

## Why This Product

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

## Key Features

- • **Machining Mastery:** Perfect for internal hole turning, reaming, and semi-finishing on boring and lathe machines.
- • **Ultimate Versatility:** Round shank design supports both positive & negative rake angles for diverse machining needs.
- • **Effortless Edge Renewal:** Indexable inserts rotate to fresh cutting edges—no tool removal, no downtime.
- • **Clean & Efficient Cutting:** Integrated chip breaker eliminates stringy chips, ensuring smooth, precise boring.
- • **Durability Meets Performance:** High-quality steel bars with tin-coated carbide inserts resist rust and moisture for long-lasting use.

## Overview

This 8-piece set of 3/4" shank indexable boring bars features 90-degree round shanks and tin-coated carbide inserts (4x TCMT21.51 & 4x TCMT221) designed for versatile, rust-resistant, and efficient machining. Ideal for internal hole turning, reaming, and semi-finishing, the indexable inserts allow quick edge rotation without tool removal, maximizing productivity and precision.

## Description

3/4" Shank Indexable Boring Bars 8 Pieces/Set,90 Degree Round Shank Boring Bars with Indexable Carbide Inserts 4 Pieces TCMT21.51 & 4 Pieces TCMT221

## Features

- Crafted with high-quality steel, the bar holders are coated for enhanced durability. The carbide inserts feature a tin coating, ensuring moisture and rust resistance for long-lasting performance.
- The round shanks offer versatility, allowing operators to set both positive and negative rake angles. The chip breaker effectively eliminates long, stringy chips for cleaner cutting.
- The carbide inserts are indexable, meaning you can simply rotate to a fresh cutting edge when one side dulls. This design eliminates the need to remove the tool from the chuck or tool post, saving time and effort.
- Ideal for a variety of machining tasks, including turning internal holes, reaming, and copying. This set is perfect for semi-finishing existing holes and is compatible with both boring and lathe machines.
- Need replacement inserts? Easily find compatible options by searching for ASINs B07Q2HNGVF and B07R6M1F3H.

## Images

![OSCARBIDE 3/4" Shank Indexable Boring Bars 8 Pieces/Set,90 Degree Round Shank Boring Bars with Indexable Carbide Inserts 4 Pieces TCMT21.51 & 4 Pieces TCMT221 - Image 1](https://m.media-amazon.com/images/I/51+P2AVQ5GL.jpg)

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**Shop now:** [https://www.desertcart.es/products/170567830-oscarbide-3-4-shank-indexable-boring-bars-8-pieces-set](https://www.desertcart.es/products/170567830-oscarbide-3-4-shank-indexable-boring-bars-8-pieces-set)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-08*