--- title: "Factory Price Ventilation Air Duct Stud Bolt Threaded Screw Threaded Stud Threaded Rod for HVAC System" description: "Factory Price Ventilation Air Duct Stud Bolt Threaded Screw Threaded Stud Threaded Rod f… — Double-End & Tap-End Studs. MOQ 1,000 pieces, US$0.22 – 0.28." url: https://engineeringhardware.com/product/factory-price-ventilation-air-duct-stud-bolt-threaded-screw-threaded-stud-threaded/ source: Engineering Hardware & Fasteners --- # Factory Price Ventilation Air Duct Stud Bolt Threaded Screw Threaded Stud Threaded Rod for HVAC System [![Factory Price Ventilation Air Duct Stud Bolt Threaded Screw Threaded Stud Threaded Rod for HVAC System](https://img.engineeringhardware.com/Factory-Price-Ventilation-Air-Duct-Stud-Bolt-Threaded-Screw-Threaded-Stud-Threaded-Rod-for-HVAC-System.webp)](https://img.engineeringhardware.com/Factory-Price-Ventilation-Air-Duct-Stud-Bolt-Threaded-Screw-Threaded-Stud-Threaded-Rod-for-HVAC-System.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Rods & Studs › Double-End & Tap-End Studs](https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/factory-price-ventilation-air-duct-stud-bolt-threaded-screw-threaded-stud-threaded.md) Model no. **TRD** US$0.22 – 0.28 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Surface Treatment:** Galvanized Sheet - **Head Type:** Round - **Package Size:** 50.00cm * 50.00cm * 50.00cm - **Standard:** DIN - **Material:** Galvanized Steel Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Factory%20Price%20Ventilation%20Air%20Duct%20Stud%20Bolt%20Threaded%20Screw%20Threaded%20Stud%20Threaded%20Rod%20for%20HVAC%20System%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffactory-price-ventilation-air-duct-stud-bolt-threaded-screw-threaded-stud-threaded%2F) Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order. ## Specifications | Model NO. | TRD | | --- | --- | | Connection | Flange | | Surface Treatment | Galvanized Sheet | | Head Type | Round | | Function | Ventilation | | Feature | HVAC | | Usage | Air Duct | | Application | Air Conditioning | | Keyword | Threaded Rod | | Delivery Time | 30days | | Transport Package | Carton | | Specification | TRD | | Origin | China | | HS Code | 7326909000 | | Production Capacity | 50000/Month | | Package Size | 50.00cm * 50.00cm * 50.00cm | | Package Gross Weight | 10.000kg | | Customization | Available | | Standard | DIN | | Material | Galvanized Steel | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Category | [Double-End & Tap-End Studs](https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/) | ## Description Factory Price Ventilation Air Duct Stud Bolt Threaded Screw Threaded Stud Threaded Rod for HVAC System is part of our double-end & tap-end studs range (Threaded Rods & Studs). ### Key details - **Standard:** DIN - **Material:** Galvanized Steel - **Head Type:** Round - **Surface Treatment:** Galvanized Sheet - **Connection:** Flange - **Application:** Air Conditioning - **Function:** Ventilation - **Feature:** HVAC Available configurations include surface treatment, head type, package size, standard and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1,000 pieces at US$0.22 – 0.28 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you. ## Frequently asked questions ### What is the minimum order quantity (MOQ) for Factory Price Ventilation Air Duct Stud Bolt Threaded Screw Threaded Stud Threaded Rod for HVAC System? The listed minimum order is 1,000 pieces, at US$0.22 – 0.28 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of Factory Price Ventilation Air Duct Stud Bolt Threaded Screw Threaded Stud Threaded Rod for HVAC System? Standard: DIN; Material: Galvanized Steel; Head Type: Round; Surface Treatment: Galvanized Sheet; Connection: Flange; Application: Air Conditioning. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include surface treatment, head type, package size, standard and material. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing. ### What is the lead time and how is it shipped? Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment. ### Which other double-end & tap-end studs are available? The Double-End & Tap-End Studs category lists 3,053 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/](https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/) How we work ## Specified, checked and shipped by Engineering Hardware & Fasteners Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing. - DIN, ISO, ASTM, ANSI, JIS and GB standard parts - Non-standard parts made to your drawing - Dimensions, thread gauges and plating checked before packing - Export cartons and pallets, consolidated mixed orders - Samples available for approval before mass production [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Double-End & Tap-End Studs →](https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/) [![M10 M12 M40 2m 1.25 Zinc Plated Hollow Internally Thread Threaded Rod Double Ends Studs](https://img.engineeringhardware.com/M10-M12-M40-2m-1-25-Zinc-Plated-Hollow-Internally-Thread-Threaded-Rod-Double-Ends-Studs.webp)](https://engineeringhardware.com/product/m10-m12-m40-2m-1-25-zinc-plated-hollow-internally-thread-threaded-rod-double-ends/) Double-End & Tap-End Studs ### [M10 M12 M40 2m 1.25 Zinc Plated Hollow Internally Thread Threaded Rod Double Ends Studs](https://engineeringhardware.com/product/m10-m12-m40-2m-1-25-zinc-plated-hollow-internally-thread-threaded-rod-double-ends/) Round Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.16 – 0.18**MOQ 10,000 pieces [![Czhonghu Metal Snap Fastener China Manufacturing M4–M100 304 Stainless Steel 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