--- product_id: 465534962 title: "6pcs HVAC Repair Set Air Conditioner Copper Tube Expander Swaging Tool Manual Pipe Swage Expander Drill Bit Kit with 1/4\", 3/8\", 1/2\", 5/8\", 3/4\", 7/8\" Bits" brand: "hozzwhoo" price: "¥3978" currency: JPY in_stock: true reviews_count: 12 category: "Hozzwhoo" url: https://www.desertcart.jp/products/465534962-6pcs-hvac-repair-set-air-conditioner-copper-tube-expander-swaging store_origin: JP region: Japan --- # fits 1/4" to 7/8" pipes 6 precision drill bits bearing steel durability 6pcs HVAC Repair Set Air Conditioner Copper Tube Expander Swaging Tool Manual Pipe Swage Expander Drill Bit Kit with 1/4", 3/8", 1/2", 5/8", 3/4", 7/8" Bits **Brand:** hozzwhoo **Price:** ¥3978 **Availability:** ✅ In Stock ## Summary > 🛠️ Expand your HVAC game with precision and power! ## Quick Answers - **What is this?** 6pcs HVAC Repair Set Air Conditioner Copper Tube Expander Swaging Tool Manual Pipe Swage Expander Drill Bit Kit with 1/4", 3/8", 1/2", 5/8", 3/4", 7/8" Bits by hozzwhoo - **How much does it cost?** ¥3978 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/465534962-6pcs-hvac-repair-set-air-conditioner-copper-tube-expander-swaging) ## Best For - hozzwhoo enthusiasts ## Why This Product - Trusted hozzwhoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Multi-Size Fit:** Six drill bits from 1/4" to 7/8" cover all common copper pipe diameters for versatile HVAC repairs. - • **Effortless Manual Expansion:** Designed for hand electric drills, enabling smooth copper tube expansion without complex tools. - • **Industrial-Grade Bearing Steel:** Crafted from high-hardness bearing steel for unmatched wear resistance and long-lasting performance. - • **Innovative Friction Heat System:** Revolutionizes tube molding by maximizing surface contact between flare and valve for secure connections. - • **Beginner-Friendly & Pro-Approved:** Perfect for both HVAC novices and seasoned technicians seeking reliable, easy-to-use tools. ## Overview This 6-piece HVAC copper tube expander set features durable bearing steel drill bits in six sizes (1/4" to 7/8") designed for manual pipe swaging using electric drills. Engineered for professional and DIY HVAC installers, it ensures precise, wear-resistant tube expansion with an innovative friction heat molding system for secure, leak-proof connections. ## Description Specifications: Material: Bearing Steel Color: Black Shank type: 7mm Hex Handle Size(Approx.): 7/8"(22.2mm/0.87inch), 3/4"(19mm/0.75inch), 5/8"(15.9mm/0.63inch), 1/2"(12.7mm/0.50inch), 3/8"(9.5mm/0.37inch), 1/4"(6.3mm/0.25inch) Height(Approx.): 1/4", 3/8", 1/2", 5/8", 3/4", 7/8" Package Included: 6 x Copper Pipe Swaging Tool Drill Bits Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. Review: Does the job - Worked for me ok Review: Open up pipes - Done the job easily ## Features - 【MATERIAL】Made of bearing steel. It has high and uniform hardness and wear resistance, and high elastic limit. - 【INNOVATION】Revolutionizing system for molding tubes using heat by friction way more surface of between the flare and the Valve. - 【Multi Size】7/8", 3/4", 5/8", 1/2", 3/8", 1/4", 6 different sizes per set of your choice to meet your needs. - 【Function】When air conditioning is installed, expand copper tube, make two copper tube mutual link. (To be installed on hand electric drill.) - 【Easy to Install】Perfect for installers, no matter if you are just learning or have been doing it. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09SDZ54WX | | Best Sellers Rank | 19,780 in DIY & Tools ( See Top 100 in DIY & Tools ) 143 in Drill Bit Sets | | Brand | Hozzwhoo | | Country Of Origin | China | | Customer Reviews | 4.1 out of 5 stars 256 Reviews | | Cutting Diameter | 22 Millimetres | | Cutting diameter | 22 Millimetres | | Finish Types | Uncoated | | Finish type | Uncoated | | Item Weight | 0.19 Kilograms | | Manufacturer | Hozzwhoo | | Manufacturer Part Number | AH2202005 | | Material | Alloy Steel | | Minimum Bore Diameter | 6.35 Millimetres | | Model Number | AH2202005 | | Number of Flutes | 2 | | Number of Pieces | 6 | | Point Style | Taper Point | | Set Name | HVAC Repairing Set | | Shank Type | Hex | | Shank type | Hex | | Surface Recommendation | Alloy Steel, Aluminium, Copper | | Tool Flute Type | Straight | | Tool flute type | Straight | | UPC | 633183486486 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Hozzwhoo - **Cutting diameter:** 22 Millimetres - **Finish type:** Uncoated - **Material:** Alloy Steel - **Shank type:** Hex ## Images ![6pcs HVAC Repair Set Air Conditioner Copper Tube Expander Swaging Tool Manual Pipe Swage Expander Drill Bit Kit with 1/4", 3/8", 1/2", 5/8", 3/4", 7/8" Bits - Image 1](https://m.media-amazon.com/images/I/61n20TdZqPL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Does the job *by A***R on 14 January 2026* Worked for me ok ### ⭐⭐⭐⭐⭐ Open up pipes *by A***R on 13 July 2025* Done the job easily ### ⭐⭐⭐⭐⭐ Work brilliantly *by H***S on 29 May 2023* Brilliant for reaching into confined spaces. Strong quality bits. Helps if you warm the pipe up a little , but not essential. 2 x friends already have been using. All share the same thoughts. A must have tool set for any hvac engineer. ## Frequently Bought Together - 6pcs HVAC Repairing Set Air Conditioner Copper Tube Expander Swaging Tool Manual Pipe Swage Expander Drill Bit Soft Copper Tubing Bit with 1/4'', 3/8'', 1/2'', 5/8'', 3/4'', 7/8' Bits - HVAC Repair Tool, Swage Tube Expander 5 in 1 Air Conditioner Copper Pipe Expander Swaging Drill Set Copper Tubing Tool with 1/4, 3/8, 1/2, 5/8, 3/4 Bits - jiouxip Valve Core Remover Installer Tool and HVAC Service Wrench Set with Hex Bit Adapters, Dual Size SAE 1/4 to 5/16 Port, 5/16'', 3/8'' Refrigeration Service Wrench, 10 Valve Core --- ## 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/465534962-6pcs-hvac-repair-set-air-conditioner-copper-tube-expander-swaging](https://www.desertcart.jp/products/465534962-6pcs-hvac-repair-set-air-conditioner-copper-tube-expander-swaging) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-02*