---
product_id: 513303235
title: "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"
brand: "binstak"
price: "€ 128.13"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/513303235-cnc-spoilboard-surfacing-router-bit-1-4-shank-slab-flattening
store_origin: SK
region: Slovakia
---

# 4-sided carbide inserts for 4x blade life 1.38" cutting diameter for efficient slab surfacing 1/4" shank for universal CNC compatibility 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

**Brand:** binstak
**Price:** € 128.13
**Availability:** ✅ In Stock

## Summary

> 🛠️ Flatten like a pro, save like a boss!

## Quick Answers

- **What is this?** 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 by binstak
- **How much does it cost?** € 128.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/513303235-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

- • **Versatile Compatibility:** Fits CNC, handheld, and table-mounted routers—ideal for hardwood, MDF, plywood, laminate, acrylic, and more.
- • **Lifetime Confidence & Support:** Backed by lifetime warranty and 12-month money-back guarantee, plus triple factory inspections for unmatched quality assurance.
- • **Cost-Effective Carbide Inserts:** 4-sided replaceable carbide blades extend tool life and reduce downtime—rotate or swap blades instead of replacing the whole bit.
- • **Maximize Your Workflow Efficiency:** 1-3/8" cutting diameter covers large surface areas quickly, perfect for flattening wood slabs and spoilboards.
- • **Precision Engineered for Professionals:** Industrial-grade steel body with anti-kickback design ensures smooth, safe, and balanced operation every time.

## Overview

The BINSTAK CNC Spoilboard Surfacing Router Bit features a 1/4" shank and 1.38" cutting diameter with a robust industrial steel body and 4-sided carbide inserts. Designed for efficient, precise flattening of wood slabs and spoilboards, it offers cost-effective blade replacement and broad compatibility with CNC and handheld routers. Engineered for durability and smooth operation, it’s the go-to tool for woodworking pros seeking flawless finishes and long-term value.

## Description

BINSTAK 1/4-Inch Shank 1-3/8-Inch Cutting Diameter CNC Spoilboard Surfacing, Planing, Slab Leveler, Surface Planer and Bed Skimming Insert Bottom Cleaning Router Bits (Carbide) ✔ Industrial Grade, industrial super-strength steel body, industrial insert knives. ✔ These industrial router bits feature solid carbide inserts knives with four cutting edges that allow users to rotate the knife when one side becomes dull providing the highest-quality finish available on woodworking tools. Exquisite woodworking cutter, precise, smooth, no burr edges planer router bit. ✔ This routing bit great for cutting large surface areas and surface planing. For fast removal of material over a large surface area leaving an improved finish at the bottom of the cut. Great for hand-making and other woodworking job - Our plaining router bits are the preferred choice of professionals and hobbyists alike, with these bits, one could make floor, cabinet door etc. Good for home and improvement. Specification:Material: Heavy Duty Carbide Color: Black Shank: 1/4" Cut Diameter: 1-3/8" Package includes: 1 x CNC Spoilboard Surfacing Router Bit 1 x Plastic Box 2 x Extra Screw (GIFT) All of Our Tools for BINSTAK Comes with 100% Satisfied Customer Services - Lifetime Warranty - 12 months money back guarantee or exchange - In order to ensure the quality, our products have been inspected 3 times before leaving the factory. Superior Materials, Sharp Cutter and Precise Size. Please rest assured to buy.

## Features

- 2-WING 2+2 INSERT CNC ROUTER BIT: Shank: 1/4"; Cut Diameter: 1-3/8" ; Carbide Inserts: 12*12mm. 2-wing design, resulting in a more balanced tool while running. The Router Bit comes with insert blades. For more blades, please purchase the K1222 model. ASIN：B0B1MJ9Z9P
- INDUSTRIAL GRADE CNC WOOD ROUTER BIT: Super-strength steel body with anti kickback design, 4 cutting blades.
- COST-EFFECTIVE INSERT BIT: The surfacing router bit utilizes 4-sided solid carbide inserts. All 4 edges of carbide inserts can be used, use a screwdriver to make other blade edge outside. Replace the carbide inserts when needed, instead of replacing the whole bit. Cost effective solution compared to brazed router bits and solid carbide spiral bits.
- This planer router bit is perfect for wood slabs flattening, resurface or plane the top surface of the spoilboard. Used on soft and hard woods, particle board, MDF, plywood compact panel, laminate, acrylic and etc.
- Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Such as woodworking engraving machine, trimming machine, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Cutting diameter | 1.38 Inches |
| Item diameter | 1.38 Inches |
| Number of flutes | 2 |
| Manufacturer | BINSTAK |
| Part number | B216 |
| Item Weight | 118 g |
| Item model number | B216 |
| Style | 1/4 Shank Surfacing Router Bit 2+2 Inserts |
| Pattern | Surfacing Bit |
| Item Package Quantity | 1 |
| Cutting Diameter | 1.38 Inches |
| Included components | Router Bit, 4 Extra Screws, T15 Wrench |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** 1/4" Shank-1-3/8" Cut Dia. (2+2 Inserts)
- **Material:** 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 with 1-3/8”Cutting Diameter, 2+2 Flutes Insert Carbide Wood Planer Router Bits, Planing Bit for Woodworking - Image 1](https://m.media-amazon.com/images/I/51t16jiVngL.jpg)

## Available Options

This product comes in different **Pattern Name, Size Name** options.

## 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.sk/products/513303235-cnc-spoilboard-surfacing-router-bit-1-4-shank-slab-flattening](https://www.desertcart.sk/products/513303235-cnc-spoilboard-surfacing-router-bit-1-4-shank-slab-flattening)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-12*