--- product_id: 244982082 title: "3/8\" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4\" Female Shank fits Weldon - for Drill Press & Milling Machines" brand: "stellis inc" price: "392.35 DT" currency: TND in_stock: true reviews_count: 8 url: https://www.desertcart.tn/products/244982082-3-8-drive-flat-round-chuck-annular-cutter-bit-adapter store_origin: TN region: Tunisia --- # 3/8" drive precision fit 3/4" female Weldon shank compatibility 3-inch durable steel length 3/8" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4" Female Shank fits Weldon - for Drill Press & Milling Machines **Brand:** stellis inc **Price:** 392.35 DT **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your drill press game with precision and power! ## Quick Answers - **What is this?** 3/8" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4" Female Shank fits Weldon - for Drill Press & Milling Machines by stellis inc - **How much does it cost?** 392.35 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/244982082-3-8-drive-flat-round-chuck-annular-cutter-bit-adapter) ## Best For - stellis inc enthusiasts ## Why This Product - Trusted stellis inc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Yet Sturdy Build:** 3-inch overall length with 1.25" shaft length balances reach and rigidity. - • **Ready-to-Use with Set Screws:** Includes set screws for quick, reliable cutter installation—no downtime. - • **Robust Weldon Shank Interface:** Seamlessly fits Weldon shank cutters for professional-grade performance. - • **Universal Cutter Compatibility:** Holds any 3/4" shank annular cutter for versatile milling and drilling tasks. - • **Precision Fit for Maximum Control:** 3/8" drive with 3-flat design ensures secure, wobble-free chuck engagement. ## Overview This 3/8" drive flat round chuck adapter features a 3/4" female Weldon shank interface, designed for drill presses and milling machines. With a 3-inch overall length and included set screws, it offers secure, versatile compatibility with annular cutters, delivering professional-grade performance made in the USA. ## Description [Overall Length: 3 inches] [Shaft Length: 1.250 inches] [Shaft Diameter: .375 inches] [Inner Diameter: .752 inches] [Inner Diameter Depth: 1.325] [Set screws included.] [Will hold any cutter with a 3/4 inch shank.] ## Features - 3/8” 3-flat to 3/4 Female, for use in 3 Jaw Drill Chucks - Will hold any cutter with a 3/4 inch shank - Weldon Shank Compatible - Overall Length: 3 inches - Shaft Length: 1.250 inches - Shaft Diameter: .375 inches - Inner Diameter: .752 inches - Inner Diameter Depth: 1.325 - Set screws included! Cutter & Pilot not included, available to purchase separately - Made in USA ## Product Details - **Material:** Alloy Steel - **Cutting Diameter:** 0.38 Inches - **Shank Type:** 3-Flat - **Brand:** Stellis Inc - **Tool Flute Type:** 3-Flat ## Images ![3/8" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4" Female Shank fits Weldon - for Drill Press & Milling Machines - Image 1](https://m.media-amazon.com/images/I/21QC8m1BJtL.jpg) ![3/8" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4" Female Shank fits Weldon - for Drill Press & Milling Machines - Image 2](https://m.media-amazon.com/images/I/21oQk5SZYLL.jpg) ![3/8" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4" Female Shank fits Weldon - for Drill Press & Milling Machines - Image 3](https://m.media-amazon.com/images/I/21KCVh-YvjL.jpg) ![3/8" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4" Female Shank fits Weldon - for Drill Press & Milling Machines - Image 4](https://m.media-amazon.com/images/I/51bWD3nesHL.jpg) ![3/8" Drive Flat Round Chuck - Annular Cutter Bit Adapter Tool with 3/4" Female Shank fits Weldon - for Drill Press & Milling Machines - Image 5](https://m.media-amazon.com/images/I/61LvWx0E2LL.jpg) ## Questions & Answers **Q: will this fit a weldon style annular cutter?** A: It fits if it has a 3/4" Weldon shaft. **Q: does this have a center hole for the spring loaded pilot pin?** A: No unfortunately ## Customer Reviews ### ⭐⭐⭐⭐⭐ working as expected *by Y***Y on March 13, 2024* good quality, price should be lower for such a simple tool ### ⭐⭐⭐⭐⭐ Perfect drill press adapter *by D***G on February 15, 2023* I have no idea why this type of adapter is not more common, since annular cutters are so far superior to hole saws being used on drill presses. anyhow, the adapter fits 3/4 shank perfect and I had no issue fitting and using any of the annular cutters i have. It is a bit pricey, but worked very well for me. No complaints. ### ⭐⭐⭐⭐⭐ Perfect and well made. *by E***W on March 10, 2025* As described! Delivered by horseback…. --- ## 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.tn/products/244982082-3-8-drive-flat-round-chuck-annular-cutter-bit-adapter](https://www.desertcart.tn/products/244982082-3-8-drive-flat-round-chuck-annular-cutter-bit-adapter) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-06*