---
product_id: 442949169
title: "BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4\" Shank 1-1/4\" Cut Dia. CNC Router Bit"
brand: "binstak"
price: "€ 59.16"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/442949169-binstak-12mm-square-corners-carbide-inserts-4-edges-12mm-lengthx12mm
store_origin: IE
region: Ireland
---

# 93 HRA ultra-hard tungsten carbide 12mm x 12mm x 2.2mm precision size 4 razor-sharp cutting edges BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit

**Brand:** binstak
**Price:** € 59.16
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your CNC game with precision that lasts—don’t get left behind!

## Quick Answers

- **What is this?** BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit by binstak
- **How much does it cost?** € 59.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/442949169-binstak-12mm-square-corners-carbide-inserts-4-edges-12mm-lengthx12mm)

## 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

- • **Precision 35° Bevel:** Engineered for smooth, mirror-finish cuts on complex curves and concave surfaces.
- • **Quad-Edge Efficiency:** Maximize uptime with 4 cutting edges—flip to a fresh blade instantly.
- • **Unmatched Durability:** Solid tungsten carbide with 93 HRA hardness ensures long-lasting sharpness and strength.
- • **Versatile Compatibility:** Fits BINSTAK 1/4" shank CNC router bits and multiple spiral/helical planer heads.
- • **Cost-Effective Performance:** Pack of 10 inserts with countersink holes for quick, secure mounting and easy replacement.

## Overview

BINSTAK 12mm square carbide inserts deliver professional-grade cutting performance with 4 reversible edges, a 35° polished bevel, and ultra-hard 93 HRA tungsten carbide construction. Designed for CNC router bits and spiral planer heads, these inserts provide smooth finishes on hardwoods, MDF, plywood, and acrylic. The pack of 10 ensures you stay productive with quick, cost-effective blade changes.

## Description

BINSTAK Carbide Inserts Cutters Knives Replacement Blades Square Straight Insert Countersink Hole12 x 12 x 2.2 mm Woodworking Spiral Helical Planer Head 10 Pc's ✔Their solid carbide micro grain tips give superior tool life in a wide variety of materials for all general spiral planer head in hard woods and soft woods, the insert can be used for the heads of your jointer and planer. ✔35°cutting bevel, polished to a mirror finish for smoother cutting work. ✔Replacement carbide tips for CNC router fits BINSTAK 1/4-Inch Shank Insert Surfacing Router Bit 2-Wing 1-1/4 Cutting Diameter (ASIN: B0B1MCWLG3)  ✔COST-EFFECTIVE. Rotate or replace the two or three small knives that were affected, and you are ready to get back to work. Leaves smooth finishing after cut. Specification: Material: Solid Tungsten Carbide Rockwell Hardness: 93.0HRA Shape: Square Straight 4-edges Hole: Countersink hole Length - 12mm Width - 12mm Thickness - 2.2mm Bevel - 35 degree Applications: woodturning, woodworking Quantity: 10pcs/box Package Includes: 10 * Carbide Insert 1 * Plastic Box

## Features

- 12mm*12mm*2.2mm (length*width*thick), 35°angle, Hardness: 93HRA, 4 cutting edges. Countersink mounting hole.
- Made of solid tungsten carbide, high strength and hardness, own longer use life, sharp and durable.
- Each blade has 4 sharp edges, if one is dull, just change it to the other side. More effective!
- Ideal for giving you a smooth finish on curved, concave surfaces, hollowing jobs and for general turning applications. Used on soft and hard woods, particle board, MDF, plywood compact panel, laminate, acrylic and etc.
- Fits for Spiral/Helical Planer Cutter Heads, Rougher Wood Turning Tools. Replacement carbide tips for CNC router fits NITOMAK and BINSTAK Insert Surfacing Router Bit 3-Wing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BINSTAK |
| Part number | K1222 |
| Item Weight | 41 g |
| Package Dimensions | 9.19 x 8 x 2.69 cm; 41 g |
| Item model number | K1222 |
| Size | Replacement Inserts-Countersink Hole-12*12*2.2 |
| Included components | No |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit - Image 1](https://m.media-amazon.com/images/I/61Hnv0-IjrL.jpg)
![BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit - Image 2](https://m.media-amazon.com/images/I/51x+3AM4CLL.jpg)
![BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit - Image 3](https://m.media-amazon.com/images/I/51BIcEwjodL.jpg)
![BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit - Image 4](https://m.media-amazon.com/images/I/61L56VEPK2L.jpg)
![BINSTAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX2.2mm thick-35 Degree Cutting Angle), Pack of 10, Countersink Hole, for BINSTAK 1/4" Shank 1-1/4" Cut Dia. CNC Router Bit - Image 5](https://m.media-amazon.com/images/I/61YmXZ80h6L.jpg)

## Frequently Bought Together

- 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
- 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
- Wolfride 1/2-Inch Shank Router Bit Collet Extension, Adapter for 1/2-inch Shank Bits

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-10*