---
product_id: 777949819
title: "CNC Spoilboard Surfacing Router Bit 1/4\" Shank Slab Flattening Router Bit 1-3/8\" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit"
brand: "binstak"
price: "₩16886318"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/777949819-cnc-spoilboard-surfacing-router-bit-1-4-shank-slab-flattening
store_origin: KR
region: South Korea
---

# 4-flute 2+2 carbide inserts for ultra-smooth finish 1.38" cutting diameter for broad surface coverage 1/4" shank for universal router fit CNC Spoilboard Surfacing Router Bit 1/4" Shank Slab Flattening Router Bit 1-3/8" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit

**Brand:** binstak
**Price:** ₩16886318
**Availability:** ✅ In Stock

## Summary

> 🛠️ Flatten like a pro—surfacing perfection in every pass!

## Quick Answers

- **What is this?** CNC Spoilboard Surfacing Router Bit 1/4" Shank Slab Flattening Router Bit 1-3/8" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit by binstak
- **How much does it cost?** ₩16886318 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/777949819-cnc-spoilboard-surfacing-router-bit-1-4-shank-slab-flattening)

## Best For

- binstak enthusiasts

## Why This Product

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

## Key Features

- • **Ready Out of the Box:** Includes router bit, plastic storage box, extra screws, and T15 wrench—plus lifetime warranty and 12-month money-back guarantee for peace of mind.
- • **Universal Compatibility:** Fits CNC machines, handheld routers, and table-mounted routers with a standard 1/4" shank for seamless integration.
- • **Versatile Surface Planing:** Perfect for flattening slabs, spoilboards, and large wood surfaces including hardwood, MDF, plywood, and laminates.
- • **Cost-Effective Carbide Inserts:** 4-sided replaceable carbide blades extend tool life and reduce downtime—just rotate or swap inserts instead of the entire bit.
- • **Precision Engineered for Professionals:** Industrial-grade steel body with anti-kickback design ensures maximum safety and durability during heavy-duty woodworking.

## Overview

The BINSTAK CNC Spoilboard Surfacing Router Bit features a 1/4" shank and 1-3/8" cutting diameter with a robust 2+2 carbide insert design. Engineered with industrial-grade steel and anti-kickback safety, it delivers smooth, burr-free finishes on wood slabs, MDF, plywood, and more. Its replaceable 4-edge carbide inserts maximize cost efficiency and longevity, making it ideal for both CNC and handheld routers. Backed by a lifetime warranty and tested for precision, this router bit is a must-have for professional woodworkers and serious hobbyists aiming for flawless surface planing.

## Description

BINSTAK 1/4" Shank Cutting Diameter 1-3/8" CNC Spoilboard Surfacing, Planning, Slub Leveler, Surface Planer, Bed Skimming Insert Bottom Cleaning Router Bit (Carbide Hard) ✔ Industrial grade, industrial super strength steel body, industrial insert knife. ✔ This industrial router bit features a carbide insert knife with four edges, which allows the knife to rotate when one side is dull, providing the highest quality finish available with woodworking tools. Exquisite woodworking cutter, precise, smooth and no burr edge planer router bit. ✔ This routing bit is ideal for cutting large surface areas and surface planing. ● Large surface area quickly removes materials and improves the finish of the cut bottom. GREAT FOR HANDMADE AND OTHER WOOD WORKING - Our planing router bits are preferred by both professionals and hobbyists. These bits can be used to make floors, cabinet doors and more. Great for home or improvement Specifications: Material: Heavy Duty Carbide Color: Black Shank: 1/4" Cut Diameter: 1-3/8" Package Includes: 1 x CNC spoilboard surface router bit 1 x Plastic Box 2 x Extra Screws (Gift) Every BINSTAK tool comes with 100% satisfaction customer service. - Lifetime Warranty - 12 Months Money Back Guarantee or Replacement - To ensure quality, our products have been tested three times before leaving the factory. Excellent material, sharp cutter, accurate size. Buy with confidence!

## Features

- 2+2 Inserts CNC Router Bits: Shank: 1/4", Cut Diameter: 1-3/8", Carbide Insert: 12*12mm 2+2 insert design gives you a more balanced tool while running and provides a smooth surface. Router bit comes with insert blade. For other blades please purchase the K1222 model. ASIN: B0B1MJ9Z9P
- INDUSTRIAL GRADE CNC WOOD Router BITS: Super high strength steel body, anti-kickback design, 4 cutting blades
- COST EFFECTIVE INSERT BITS: Surfacing router bit uses 4 sided carbide solid inserts. Accepts all 4 edges of carbide inserts Use a screwdriver to create other blade edges outward. Instead of replacing the entire bit, you should replace the carbide insert as needed. Cost-effective solution compared to brazing router bits and carbide solid spiral bits
- This planer router bit is ideal for flattening, resurfacing and flattening wood slabs. Used in soft wood, hardwood, particleboard, MDF, plywood compact panels, laminate, acrylic, and more
- Can be used with CNC and other automatic routers, handheld and table mount portable routers. Carving machines, trimming machines, etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Cutting Diameter | 1.38 Inches |
| Item Diameter | 1.38 Inches |
| Number of Flutes | 4 |
| Manufacturer | BINSTAK |
| Part number | B216 |
| Item Weight | 118 g |
| Style | 1/4 Shank Surfacing Router Bit 2+2 Inserts |
| Pattern | Surfacing Bit |
| Included Components | Router bit, 4 spare screws, T15 wrench |
| Batteries Included | No |
| Batteries Required? | No |

## Product Details

- **Size:** 1/4" Shank-1-3/8" Cut Dia. (2+2 Inserts)
- **Material:** Alloy Steel, Carbide
- **Brand:** BINSTAK
- **Item Weight:** 0.12 Kilograms
- **Cut Type:** Straight Cut

## Images

![CNC Spoilboard Surfacing Router Bit 1/4" Shank Slab Flattening Router Bit 1-3/8" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit - Image 1](https://m.media-amazon.com/images/I/51t16jiVngL.jpg)
![CNC Spoilboard Surfacing Router Bit 1/4" Shank Slab Flattening Router Bit 1-3/8" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit - Image 2](https://m.media-amazon.com/images/I/71qVZu+RFkL.jpg)
![CNC Spoilboard Surfacing Router Bit 1/4" Shank Slab Flattening Router Bit 1-3/8" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit - Image 3](https://m.media-amazon.com/images/I/61fFEIJCERL.jpg)
![CNC Spoilboard Surfacing Router Bit 1/4" Shank Slab Flattening Router Bit 1-3/8" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit - Image 4](https://m.media-amazon.com/images/I/61Glp2gPTaL.jpg)
![CNC Spoilboard Surfacing Router Bit 1/4" Shank Slab Flattening Router Bit 1-3/8" Cutting Diameter 2+2 Flutes Insert Carbide Wood Planer Router Bit Woodworking Planing Bit - Image 5](https://m.media-amazon.com/images/I/61g4DTgNumL.jpg)

## Frequently Bought Together

- BINSTAK CNC Spoilboard Surfacing Router Bit 1/4" Shank, Slab Flattening Router Bit with 1-3/8" Cutting Diameter, 2+2 Flutes Insert Carbide Wood Planer Router Bits, Planing Bit for Woodworking
- BINSTAK - K1222 -Square Corner 12mm Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), 10pcs, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit
- VEVOR Linear Rail, 2PCS SBR20-1500mm, Linear Slide Rail, 4 PCS SBR20UU Bearing Block CNC Kit Linear Rails and Bearings Kit CNC Rails Linear Rail Set, for Automated Machines and Equipment

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**Shop now:** [https://www.desertcart.kr/products/777949819-cnc-spoilboard-surfacing-router-bit-1-4-shank-slab-flattening](https://www.desertcart.kr/products/777949819-cnc-spoilboard-surfacing-router-bit-1-4-shank-slab-flattening)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-01*