--- product_id: 293560420 title: "BINSTAK NITOMAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole" brand: "binstak" price: "¥15246" currency: JPY in_stock: true reviews_count: 5 category: "Binstak" url: https://www.desertcart.jp/products/293560420-binstak-nitomak-12mm-square-corners-carbide-inserts-4-edges-12mm store_origin: JP region: Japan --- # 93HRA ultra-hard tungsten carbide 12mm precision size 4 cutting edges for max use BINSTAK NITOMAK 12mm Square Corners Carbide Inserts 4 Edges (12mm lengthX12mm widthX1.5mm thick-35 Degree Cutting Angle), Pack of 10, Straight-Hole **Brand:** binstak **Price:** ¥15246 **Availability:** ✅ In Stock ## Summary > ⚙️ Sharpen your craft with every edge—cut smarter, not harder! ## Quick Answers - **What is this?** BINSTAK NITOMAK 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?** ¥15246 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/293560420-binstak-nitomak-12mm-square-corners-carbide-inserts-4-edges-12mm) ## 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 - • **Built to Last:** Solid tungsten carbide with 93HRA hardness for unmatched durability. - • **Quad-Edge Efficiency:** Flip to fresh edge instantly—4x the cutting power, zero downtime. - • **Multi-Material Mastery:** Perfect on hardwood, MDF, plywood, laminate, acrylic & more. - • **Versatile Compatibility:** Fits Spiral/Helical Planer Cutter Heads & CNC router bits seamlessly. - • **Precision 35° Cutting Angle:** Engineered for smooth, flawless finishes on curves and hollows. ## Overview NITOMAK 12mm Square Corners Carbide Inserts deliver precision cutting with a 35° angle and 4 durable edges made from ultra-hard 93HRA tungsten carbide. Designed for smooth finishes on diverse materials, these inserts fit multiple router and planer heads, ensuring long-lasting performance and versatile application for professional woodworking and CNC routing. ## Description Carbide Inserts Review: Item wasps described and arrived before time specified. Good Quality replacement Carbide Inserts. love them and recommended. Review: 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 | | ASIN | B087BDMCZ4 | | Batteries Included? | No | | Batteries Required? | No | | Customer Reviews | 4.8 4.8 out of 5 stars (360) | | Customer reviews | 4.8 4.8 out of 5 stars (360) | | Cutting Diameter | 12 Millimeters | | Date First Available | 4 May 2020 | | Date First Available | 4 May 2020 | | Item Weight | 18.1 g | | Item diameter | 12 Millimeters | | Item model number | K1215 | | Item model number | K1215 | | Manufacturer | NITOMAK | | Manufacturer | NITOMAK | | Number of flutes | 4 | | Package Dimensions | 10.31 x 9.4 x 2.69 cm; 18.14 g | | Part number | K1215 | | UPC | 686082999793 | ## Product Details - **Brand:** BINSTAK - **Cut type:** Up-Cut - **Item weight:** 18 g - **Material:** Carbide - **Size:** 12*12mm/35° ## Images ![BINSTAK NITOMAK 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/61FIN4-D-tS.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***H on 14 January 2022* Item wasps described and arrived before time specified. Good Quality replacement Carbide Inserts. love them and recommended. ### ⭐⭐⭐⭐⭐ Review *by A***R on 23 September 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. ### ⭐⭐⭐⭐⭐ Review *by T***N on 8 February 2026* For the price I thought I was getting some cheap blades but they have been staying sharp far longer than I expected. Pleasantly surprised ## 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.jp/products/293560420-binstak-nitomak-12mm-square-corners-carbide-inserts-4-edges-12mm](https://www.desertcart.jp/products/293560420-binstak-nitomak-12mm-square-corners-carbide-inserts-4-edges-12mm) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-13*