---
product_id: 170567830
title: "OSCARBIDE 3/4\" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing"
brand: "oscarbide"
price: "¥61756"
currency: JPY
in_stock: true
category: "Oscarbide"
url: https://www.desertcart.jp/products/170567830-oscarbide-3-4-round-shank-8-piece-boring-bar-set
store_origin: JP
region: Japan
---

# indexable carbide inserts 8-piece precision set tin-coated rust resistance OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing

**Brand:** oscarbide
**Price:** ¥61756
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your precision game with OSCARBIDE’s ultimate boring bar set!

## Quick Answers

- **What is this?** OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing by oscarbide
- **How much does it cost?** ¥61756 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/170567830-oscarbide-3-4-round-shank-8-piece-boring-bar-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

- • **Rigid Steel Construction:** Built tough to deliver precise finishing and withstand demanding industrial applications.
- • **Durable Tin-Coated Inserts:** Moisture and rust-resistant carbide inserts engineered for long-lasting, reliable performance.
- • **Versatile 3/4" Round Shank:** Seamlessly switch between positive & negative rake angles for ultimate machining flexibility.
- • **Multi-Task Machining Mastery:** Perfect for boring, reaming, and semi-finishing internal holes on both boring and lathe machines.
- • **Time-Saving Indexable Design:** Rotate inserts to a fresh cutting edge without removing tools—maximize uptime and efficiency.

## Overview

The OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set features 4 TCMT21.51 and 4 TCMT221 tin-coated carbide inserts designed for rust resistance and durability. Its rigid steel construction and 90° shank provide versatile machining options, including positive and negative rake angles. Indexable inserts allow quick edge rotation, reducing downtime. Ideal for internal hole boring, reaming, and semi-finishing on boring and lathe machines, this set is engineered for professional-grade precision and longevity.

## Description

OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing: desertcart.com: Industrial & Scientific

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SHC6H73 |
| Best Sellers Rank | #278,653 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #29 in Boring Inserts |
| Date First Available | May 30, 2019 |
| Item Weight | 3.74 pounds |
| Item model number | 8 |
| Manufacturer | OSCARBIDE TOOLS |
| Package Dimensions | 10.83 x 7.28 x 1.93 inches |

## Images

![OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing - Image 1](https://m.media-amazon.com/images/I/51+P2AVQ5GL.jpg)
![OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing - Image 2](https://m.media-amazon.com/images/I/71WIOZt3udL.jpg)
![OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing - Image 3](https://m.media-amazon.com/images/I/61TrXpgGYNL.jpg)
![OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing - Image 4](https://m.media-amazon.com/images/I/51-9h4n+BjL.jpg)
![OSCARBIDE 3/4" Round Shank 8-Piece Boring Bar Set w/TCMT Inserts | 90° Shank | 4 TCMT21.51 & 4 TCMT221 Inserts | Rigid Steel Construction | Durable & Precise Finishing - Image 5](https://m.media-amazon.com/images/I/51gl2Si5ejL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/170567830-oscarbide-3-4-round-shank-8-piece-boring-bar-set](https://www.desertcart.jp/products/170567830-oscarbide-3-4-round-shank-8-piece-boring-bar-set)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-07*