--- product_id: 170567829 title: "3/4\" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432" price: "NT$3280" currency: TWD in_stock: true url: https://www.desertcart.tw/products/170567829-3-4-lathe-internal-boring-bar-turning-tool-holder-s20r store_origin: TW region: Taiwan --- # Carbide TiN-coated inserts for durability High-quality alloy steel with nickel coating 3/4" shank diameter for precision fit 3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432 **Price:** NT$3280 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate Your Craft with Precision & Power! ## Quick Answers - **What is this?** 3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432 - **How much does it cost?** NT$3280 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/170567829-3-4-lathe-internal-boring-bar-turning-tool-holder-s20r) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Pro Kit Included:** Package comes with 1 boring bar, 10 premium carbide inserts, and a wrench—everything you need to elevate your machining game. - • **Trusted by Industry Leaders:** Ranked #7 in Turning Inserts, this tool holder is the go-to choice for professionals demanding precision and durability. - • **Cutting-Edge Carbide Inserts:** TiN-coated WNMG080408 inserts deliver ultra-smooth finishing and semi-finishing with minimal friction and maximum stability. - • **Built to Last, Designed to Perform:** Nickel-coated alloy steel boring bar offers exceptional toughness and wear resistance for long-term reliability. - • **Precision Engineered for Millennial Makers:** 3/4" shank diameter ensures seamless integration with your lathe setup for flawless internal boring. ## Overview The ASZLBYM 3/4" Lathe Internal Boring Bar S20R-MWLNR08 features a nickel-coated alloy steel bar paired with 10 TiN-coated carbide inserts (WNMG080408) designed for high-precision internal turning. With a 3/4" shank diameter and 8" length, this durable tool holder kit offers superior wear resistance and smooth finishing, making it a top-ranked choice for professional machinists and CNC operators. ## Description ASZLBYM 3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432: desertcart.com: Industrial & Scientific ## Features - [Package Included]: 1pc S20R－MWLNR08 boring bar + 10pcs WNMG080408 CNC inserts + 1pcs wrench - [S20R－MWLNR08 boring bar]: The turning tool bar is made of high-quality alloy steel with Nickel Cotated, good toughness, high hardness, strong wear resistance, durable. - [WNMG080408 CNC inserts]:Inserts made of carbide, coated with TiN, for finishing and semi-finishing work, with high hardness, low friction coefficient, good wear resistance and chemical stability for more solidity and precise positioning. - [Product specifications]: Cutter direction:Positive cutter, right . Size:Shank diameter 3/4“/20 mm, length 8”/200 mm.platen:HL1810, spanner L3. - Our company specializes in providing customers with various indexable CNC inserts for high-precision turning, milling, drilling, grooving and threading and supporting high-precision cutting tools. ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.6 out of 5 stars 390 Reviews | ## Images ![3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432 - Image 1](https://m.media-amazon.com/images/I/61SYCgNpKGL.jpg) ## Questions & Answers **Q: Can this be used in a boring bar holder on a milling machine, or is it only for a lathe?** A: If you are asking if it can be used in a boring head the answer is no. As this is a right-hand boring bar and you would have to run the machine in reverse to get it to cut. If you ran it in reverse without some sort of mod to the boring head the head would unscrew from the shank as soon as you began to cut causing a spectacular crash. You need a left-hand bar. With that you can run in forward with no worries. **Q: is this actually a 3/4" or a 20mm, i need a 3/4.** A: 3/4'' is the size of the shank itself. I don't think it would be a mm bigger as most common lathe/mill tools are inch instead of mm ## Frequently Bought Together - ASZLBYM 3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432 - ASZLBYM 5/8" 36PCS Indexable Carbide Lathe Turning Tool Insert Holder Bit Set MTJNR1616H16 + MWLNR1616H08 + MCLNR1616H12 with CNMG 431 + WNMG 431 + TNMG 331 Indexable Carbide Turning Insert Blades - ASZLBYM 30PCS CNMG 431 + WNMG 431 + TNMG 331 CNC Lathe Indexable Solid Carbide Turning Insert Blade for Lathe Turning Tool Holder for The Finishing of Steel --- ## 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.tw/products/170567829-3-4-lathe-internal-boring-bar-turning-tool-holder-s20r](https://www.desertcart.tw/products/170567829-3-4-lathe-internal-boring-bar-turning-tool-holder-s20r) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-29*