---
product_id: 498988915
title: "1/4 Shank Insert Surfacing Router Bit"
brand: "binstak"
price: "27.51 OMR"
currency: OMR
in_stock: true
reviews_count: 13
category: "Binstak"
url: https://www.desertcart.com.om/products/498988915-1-4-shank-insert-surfacing-router-bit
store_origin: OM
region: Oman
---

# 4-sided carbide inserts for extended blade life 1.38" cutting diameter for efficient slab flattening 1/4" shank for universal CNC compatibility 1/4 Shank Insert Surfacing Router Bit

**Brand:** binstak
**Price:** 27.51 OMR
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 1/4 Shank Insert Surfacing Router Bit by binstak
- **How much does it cost?** 27.51 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/498988915-1-4-shank-insert-surfacing-router-bit)

## 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

- • **CNC & Handheld Ready:** Seamlessly integrates with CNC machines, handheld routers, and table-mounted tools for professional-grade results.
- • **Industrial-Grade Steel Body:** Built tough with anti-kickback features for safer, stable operation under heavy loads.
- • **Cost-Effective Carbide Inserts:** Rotate or replace blades easily—maximize lifespan without replacing the entire bit.
- • **Versatile Material Compatibility:** Perfect for hardwood, MDF, plywood, laminate, acrylic, and more—your all-in-one surfacing solution.
- • **Precision Engineered 2+2 Insert Design:** Balanced cutting action ensures ultra-smooth surface finishes every time.

## Overview

The BINSTAK CNC Spoilboard Surfacing Router Bit features a 1/4" shank and a 1.38" cutting diameter with a unique 2+2 insert carbide design. Engineered with a super-strong steel body and 4-sided rotatable carbide inserts, it delivers smooth, precise slab flattening on a wide range of wood and composite materials. Compatible with CNC and handheld routers, this cost-effective bit offers extended blade life and safer operation, making it a must-have for woodworking pros aiming for flawless finishes.

## Description

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 - desertcart.com

Review: Slow and easy gets the job done safely. Exceeded expectations flattening this maple burl. - Wicked sharp! Works as advertised. Rotating cutters extends life and almakes for an excellent value. Highly recommend.
Review: Good quality bit. No regrets - Great surfacing bit for my spoil board. I have resurfaced 4 times now and still just as sharp as the first time. Should last a long time with the four sided rotatable cutting edges. Nice quality bit

## Features

- 2+2 INSERTS CNC ROUTER BIT: Shank: 1/4"; Cut Diameter: 1-3/8" ; Carbide Inserts: 12*12mm. 2+2 inserts design, resulting in a more balanced tool while running and get a smoother surface. 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 |
|---------------|-------|
| ASIN | B0BNPYDT94 |
| Best Sellers Rank | #12,454 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Edge Treatment & Grooving Router Bits |
| Brand Name | BINSTAK |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,089) |
| Cut Type | Straight Cut |
| Cutting Diameter | 1.38 Inches |
| Included Components | Router Bit, 4 Extra Screws, T15 Wrench |
| Item Diameter | 1.38 Inches |
| Item Weight | 0.12 Kilograms |
| Manufacturer | BINSTAK |
| Material Type | Alloy Steel, Carbide |
| Model | B216 |
| Number of Flutes | 4 |
| Part Number | B216 |
| Size Name | 1/4" Shank-1-3/8" Cut Dia. (2+2 Inserts) |

## Product Details

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

## Images

![1/4 Shank Insert Surfacing Router Bit - Image 1](https://m.media-amazon.com/images/I/51t16jiVngL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Slow and easy gets the job done safely. Exceeded expectations flattening this maple burl.
*by R***J on February 9, 2026*

Wicked sharp! Works as advertised. Rotating cutters extends life and almakes for an excellent value. Highly recommend.

### ⭐⭐⭐⭐⭐ Good quality bit. No regrets
*by T***R on March 16, 2026*

Great surfacing bit for my spoil board. I have resurfaced 4 times now and still just as sharp as the first time. Should last a long time with the four sided rotatable cutting edges. Nice quality bit

### ⭐⭐⭐⭐⭐ Good Quality
*by R***D on March 3, 2026*

Great bit at a fair price. I have used it for several hours now on my CNC and with the right speeds and feeds, it work well for getting a smooth, flat bottom in some large pockets.

## 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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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-05-11*