---
product_id: 204857645
title: "K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole"
brand: "binstak"
price: "₨831"
currency: SCR
in_stock: true
reviews_count: 11
category: "Binstak"
url: https://www.desertcart.sc/products/204857645-k1215-12mm-square-corners-carbide-inserts-4-edges-12mm-lengthx12mm
store_origin: SC
region: Seychelles
---

# 93 HRA hardness for ultimate durability 12mm x 12mm x 1.5mm precision size 4 cutting edges for extended use K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole

**Brand:** binstak
**Price:** ₨831
**Availability:** ✅ In Stock

## Summary

> ⚙️ Cut sharper, last longer, finish smoother—upgrade your woodworking game!

## Quick Answers

- **What is this?** K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole by binstak
- **How much does it cost?** ₨831 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/204857645-k1215-12mm-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 surfaces.
- • **Quad-Edge Efficiency:** Maximize productivity with 4 sharp edges—rotate, reuse, repeat.
- • **Smooth Finish Guarantee:** Achieve flawless results on hardwoods, MDF, plywood, acrylic, and more.
- • **Versatile Compatibility:** Fits Spiral/Helical Planer Cutter Heads & CNC routers like NITOMAK & BINSTAK.
- • **Tungsten Carbide Toughness:** Solid carbide construction delivers unmatched strength and longevity.

## Overview

The K1215-12mm Carbide Inserts feature a precise 12x12x1.5mm size with a 35° cutting angle and 4 durable edges made from solid tungsten carbide (93 HRA hardness). Designed for spiral and helical planer heads, these inserts deliver smooth finishes on a variety of materials including hardwoods, MDF, and acrylic. Each pack includes 10 inserts, offering cost-effective, long-lasting performance for professional woodturning and CNC routing applications.

## Description

BINSTAK Carbide Inserts Cutters Knives Replacement Blades Square Straight 12 x 12 x 1.5mm Woodworking Spiral Helical Planer Head 10pcs ✔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 Insert Surfacing Router Bit. ✔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: Straight hole Length - 12mm Width - 12mm Thickness - 1.5mm Bevel - 35 degree Applications: woodturning, woodworking Quantity: 10pcs/box Package Includes: 10 * Carbide Insert 1 * Plastic Box

Review: Sharp inserts. - Sharp sharp, good stuff for my slab bit.
Review: Quality blades - Great blades. I used these on a 3 blade slab flattening router bit. I rotated through all 4 sides of a set while flattening both sides on a 13ft black walnut slab. 1 set did the entire job, and left a really smooth surface. Def recommend them.

## Features

- 12mm*12mm*1.5mm (length*width*thick), 35°angle, Hardness: 93HRA, 4 cutting edges.
- 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 |
|---------------|-------|
| ASIN | B087BDMCZ4 |
| Best Sellers Rank | #21,826 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Turning Inserts |
| Cutting Diameter | 12 Millimeters |
| Date First Available | April 19, 2020 |
| Item Diameter | 12 Millimeters |
| Item Weight | 0.64 ounces |
| Item model number | K1215 |
| Manufacturer | BINSTAK |
| Number of Flutes | 4 |
| UPC | 686082999793 |

## Product Details

- **Brand:** BINSTAK
- **Cut Type:** Up-Cut
- **Item Weight:** 18.14 g
- **Material:** Carbide
- **Size:** K1215

## Images

![K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole - Image 1](https://m.media-amazon.com/images/I/214jAqk3G9S.jpg)
![K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole - Image 2](https://m.media-amazon.com/images/I/41Be6s7LfrL.jpg)
![K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole - Image 3](https://m.media-amazon.com/images/I/41ISRV3xepS.jpg)
![K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole - Image 4](https://m.media-amazon.com/images/I/41JXS+DHlmS.jpg)
![K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole - Image 5](https://m.media-amazon.com/images/I/41KceKC63-S.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sharp inserts.
*by A***R on December 25, 2025*

Sharp sharp, good stuff for my slab bit.

### ⭐⭐⭐⭐⭐ Quality blades
*by A***R on September 23, 2025*

Great blades. I used these on a 3 blade slab flattening router bit. I rotated through all 4 sides of a set while flattening both sides on a 13ft black walnut slab. 1 set did the entire job, and left a really smooth surface. Def recommend them.

### ⭐⭐⭐⭐⭐ A Cut Above
*by A***H on February 5, 2024*

I bought these blade to flatten several semi-hardwood slabs 3 meters long by about 500 mm wide. I took them down from 55mm thick to 34 mm thick. Very happy with the finished result, they cut exceptionally well, and after all that cutting are still sharp. Very good.

## Frequently Bought Together

- BINSTAK - K1215-12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole
- CNC Spoilboard Surfacing Router Bit, 1/2" Shank 2" Cutting Diameter, Insert Carbide Slab Flattening Router Bit Planing Bit Wood Planer Bit by BINSTAK
- Wolfride 1/2-Inch Shank Router Bit Collet Extension, Adapter for 1/2-inch Shank Bits

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sc/products/204857645-k1215-12mm-square-corners-carbide-inserts-4-edges-12mm-lengthx12mm](https://www.desertcart.sc/products/204857645-k1215-12mm-square-corners-carbide-inserts-4-edges-12mm-lengthx12mm)

---

*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-11*