---
product_id: 362122496
title: "CNC Spoilboard Surfacing Router Bit, 1/2\" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT"
brand: "roocbit"
price: "¥20079"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/362122496-cnc-spoilboard-surfacing-router-bit-1-2-shank-2-1
store_origin: JP
region: Japan
---

# Replaceable hard alloy blade for extended lifespan 2.5 inch cutting diameter for efficient surfacing 1/2" Shank for universal CNC compatibility CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT

**Brand:** roocbit
**Price:** ¥20079
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your CNC game with precision and durability that professionals swear by!

## Quick Answers

- **What is this?** CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT by roocbit
- **How much does it cost?** ¥20079 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/362122496-cnc-spoilboard-surfacing-router-bit-1-2-shank-2-1)

## Best For

- roocbit enthusiasts

## Why This Product

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

## Key Features

- • **Durable Hard Alloy Blade:** Lasts multiple times longer than standard bits, cutting costs over time
- • **Precision 4-Flute Design:** Balanced cutting with reduced vibration for flawless finishes
- • **Seiko Screw Offset System:** Reinforced blade stability ensures superior milling accuracy
- • **Anti-Seismic Diamond Coating:** Enhanced vibration suppression for smoother, quieter operation
- • **Rust-Resistant Electroplated Body:** Built to withstand tough workshop environments without corrosion

## Overview

The ROOCBIT CNC Spoilboard Surfacing Router Bit features a 1/2" shank and a 2.5-inch cutting diameter with a 4-flute design for balanced, efficient milling. Its replaceable hard alloy blade, enhanced with anti-seismic diamond coating and rust-resistant electroplating, delivers long-lasting, vibration-suppressed performance. Engineered with a Seiko screw offset system, it ensures superior rigidity and precision for woodworking, aluminum, and acrylic surfacing tasks.

## Description

CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT

## Features

- Used for Aluminum, Wood, Acrylic etc bottom cleaning. 1/2" Shank; 2-1/2 inch Cut Diameter; 4-Flutes design, resulting in a more balanced tool while running.
- The blade is made of hard alloy, the life is several times the life of ordinary milling cutter, the blade can be removed and replaced, saving processing cost
- Use anti-seiamic high-grade diamond material, Can effectively suppress vibration and improve seismic strength. The whole blade body is electroplated to prevent rust.
- Seiko build, screw offset design, close combination of reinforced blade and knife groove, enhance rigidity, better processing effect.
- ROOCBIT Pro CNC Spoilboard Surfacing Router Bit (4 Flutes) 1/2" Shank, 2-1/2" Cut Dia.; 12-Month Service , Our after-sales customer service is available at any time. Please feel free to contact us for help

## Product Details

- **Size:** 1/2" Shank-2-1/2" Dia.(Light)
- **Material:** Alloy Steel
- **Brand:** ROOCBIT
- **Item Weight:** 0.35 Kilograms
- **Cut Type:** Straight Cut

## Images

![CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT - Image 1](https://m.media-amazon.com/images/I/61xkwN1ERFS.jpg)
![CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT - Image 2](https://m.media-amazon.com/images/I/71+G6Nf37sS.jpg)
![CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT - Image 3](https://m.media-amazon.com/images/I/71vj5aJ2m3L.jpg)
![CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT - Image 4](https://m.media-amazon.com/images/I/616s0phRLRS.jpg)
![CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2-1/2 inch(63.5mm) Cutting Diameter Replaceable Blade Slab Flattening Grooving Woodworking Milling Cutter Tools by ROOCBIT - Image 5](https://m.media-amazon.com/images/I/71l2hLaaCQS.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great bit.  Can't find replacement blades!
*by T***R on December 3, 2024*

Love the big. Works better than all my other, but I cannot find the replacement cutters anywhere. Does anyone know where I could find replacements?

### ⭐⭐⭐⭐⭐ wow... perfect
*by K***M on November 22, 2024*

High quality,good for CNC and exactly as described

### ⭐⭐⭐⭐ Well made
*by J***N on March 2, 2023*

I have used an Amana spiolboard cutter for years. When the replacement blades tripled in price I thought I would try something new.This is a well makes cutter. I yet to try it so I will add to this after than.One of the cutters did come chipped or I would have given it 5 stars.

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**Shop now:** [https://www.desertcart.jp/products/362122496-cnc-spoilboard-surfacing-router-bit-1-2-shank-2-1](https://www.desertcart.jp/products/362122496-cnc-spoilboard-surfacing-router-bit-1-2-shank-2-1)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-15*