--- title: "Free Sample Manufacturing China Supplier Threaded Rod Coupling Nut" description: "Free Sample Manufacturing China Supplier Threaded Rod Coupling Nut — Fully Threaded Rods & Studs. MOQ 1,000 pieces, US$0.06 – 2.40." url: https://engineeringhardware.com/product/free-sample-manufacturing-china-supplier-threaded-rod-coupling-nut/ source: Engineering Hardware & Fasteners --- # Free Sample Manufacturing China Supplier Threaded Rod Coupling Nut [![Free Sample Manufacturing China Supplier Threaded Rod Coupling Nut](https://img.engineeringhardware.com/Free-Sample-Manufacturing-China-Supplier-Threaded-Rod-Coupling-Nut.webp)](https://img.engineeringhardware.com/Free-Sample-Manufacturing-China-Supplier-Threaded-Rod-Coupling-Nut.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Rods & Studs › Fully Threaded Rods & Studs](https://engineeringhardware.com/fastener-products/threaded-rods-studs/fully-threaded-rods-studs/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/free-sample-manufacturing-china-supplier-threaded-rod-coupling-nut.md) US$0.06 – 2.40 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Color:** Silver - **Surface Treatment:** Galvanized - **Material:** Steel - **Threaded Type:** Metric Thread / Unc Thread - **Raw Material:** Carbon Steel / Stainless Steel - **Standard:** DIN, ANSI, Bsw - **Packing:** Per Customer Request - **Package Size:** 28.00cm * 21.00cm * 21.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Free%20Sample%20Manufacturing%20China%20Supplier%20Threaded%20Rod%20Coupling%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffree-sample-manufacturing-china-supplier-threaded-rod-coupling-nut%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 | Customization | Available | | --- | --- | | Color | Silver | | IP Rating | IP66 | | Surface Treatment | Galvanized | | Application | Used to Join Two Threaded Rods | | Material | Steel | | Certification | ISO | | Threaded Type | Metric Thread / Unc Thread | | Raw Material | Carbon Steel / Stainless Steel | | Standard | DIN, ANSI, Bsw | | Packing | Per Customer Request | | Transport Package | Carton + Pallet Packing | | Origin | China | | Production Capacity | 50000 PCS/Month | | Package Size | 28.00cm * 21.00cm * 21.00cm | | Package Gross Weight | 11.300kg | | Category | [Fully Threaded Rods & Studs](https://engineeringhardware.com/fastener-products/threaded-rods-studs/fully-threaded-rods-studs/) | ## Technical parameters | Cat.No | Thread Size | Across Flat | Length | Weight KGS | | --- | --- | --- | --- | --- | | UNC Thread | | | | | | RC-14 | 1/4''-20 | 3/8'' | 7/8'' | 9 | | RC-516 | 5/16''-18 | 1/2'' | 1-1/8'' | 22 | | RC-38 | 3/8''-16 | 9/16'' | 1-3/4'' | 39 | | RC-12 | 1/2''-13 | 11/16'' | 1-3/4'' | 52 | | RC-58 | 5/8''-11 | 13/16'' | 2-1/8'' | 82 | | RC-34 | 3/4''-10 | 1'' | 2-1/4'' | 136 | | RC-78 | 7/8''-9 | 1-1/4'' | 2-1/2'' | 270 | | Metric Thread | | | | | | RC-M6 | M6 | 10 | 18 | 8 | | RC-M8 | M8 | 13 | 24 | 18 | | RC-M10 | M10 | 17 | 30 | 42 | | RC-M12 | M12 | 19 | 36 | 58 | | RC-M14 | M14 | 22 | 42 | 90 | | RC-M16 | M16 | 24 | 48 | 120 | | RC-M18 | M18 | 27 | 54 | 170 | | RC-M20 | M20 | 30 | 60 | 228 | ## Description Free Sample Manufacturing China Supplier Threaded Rod Coupling Nut is part of our fully threaded rods & studs range (Threaded Rods & Studs). ### Key details - **Standard:** DIN, ANSI, Bsw - **Material:** Steel - **Surface Treatment:** Galvanized - **Application:** Used to Join Two Threaded Rods - **Certification:** ISO - **Color:** Silver - **IP Rating:** IP66 - **Threaded Type:** Metric Thread / Unc Thread Available configurations include color, surface treatment, material, threaded type and raw 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$0.06 – 2.40 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 Free Sample Manufacturing China Supplier Threaded Rod Coupling Nut? The listed minimum order is 1,000 pieces, at US$0.06 – 2.40 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 Free Sample Manufacturing China Supplier Threaded Rod Coupling Nut? Standard: DIN, ANSI, Bsw; Material: Steel; Surface Treatment: Galvanized; Application: Used to Join Two Threaded Rods; Certification: ISO; Color: Silver. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include color, surface treatment, material, threaded type and raw 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 fully threaded rods & studs are available? The Fully Threaded Rods & Studs category lists 1,054 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-rods-studs/fully-threaded-rods-studs/](https://engineeringhardware.com/fastener-products/threaded-rods-studs/fully-threaded-rods-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 Fully Threaded Rods & Studs →](https://engineeringhardware.com/fastener-products/threaded-rods-studs/fully-threaded-rods-studs/) [![1.4462 F51 S32750 Super Duplex Threaded Rod](https://img.engineeringhardware.com/1-4462-F51-S32750-Super-Duplex-Threaded-Rod.webp)](https://engineeringhardware.com/product/1-4462-f51-s32750-super-duplex-threaded-rod/) Fully Threaded Rods & Studs ### [1.4462 F51 S32750 Super Duplex Threaded Rod](https://engineeringhardware.com/product/1-4462-f51-s32750-super-duplex-threaded-rod/) Stainless Steel · A **US$7.68 – 12.00**MOQ 10 pieces [![Quality Guaranteed Alloy Threaded Rod DIN975 660](https://img.engineeringhardware.com/Quality-Guaranteed-Alloy-Threaded-Rod-DIN975-660.webp)](https://engineeringhardware.com/product/quality-guaranteed-alloy-threaded-rod-din975-660/) Fully Threaded Rods & Studs ### [Quality Guaranteed Alloy Threaded Rod DIN975 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Steel Threaded Rod Coupler Coupling Nut 1420 Round M10 M12 M27 Ss 304 Long Hex Coupling Nut](https://engineeringhardware.com/product/din6334-carbon-steel-threaded-rod-coupler-coupling-nut-1420-round-m10-m12-m27-ss-304-2/) Round Head · DIN, ANSI, GB, JIS **US$0.06 – 0.24**MOQ 1,000 pieces [![Stainless Steel and Brass Anti-Backlash Brass Spring Loaded Nut for Acme Threaded Rod](https://img.engineeringhardware.com/Stainless-Steel-and-Brass-Anti-Backlash-Brass-Spring-Loaded-Nut-for-Acme-Threaded-Rod.webp)](https://engineeringhardware.com/product/stainless-steel-and-brass-anti-backlash-brass-spring-loaded-nut-for-acme-threaded-rod/) Fully Threaded Rods & Studs ### [Stainless Steel and Brass Anti-Backlash Brass Spring Loaded Nut for Acme Threaded Rod](https://engineeringhardware.com/product/stainless-steel-and-brass-anti-backlash-brass-spring-loaded-nut-for-acme-threaded-rod/) Round Head · Stainless Steel **US$2.40**MOQ 1 piece [![ASTM A193 Stainless Steel 316L Threaded Rods Nuts Supplier / 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Sprinkler Pipe Hanger](https://engineeringhardware.com/product/all-thread-rod-for-seismic-bracing-and-fire-sprinkler-pipe-hanger/) Carbon Steel · 4.8/8.8/10.9 **US$0.76**MOQ 1 meter **US$0.06 – 2.40**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Free%20Sample%20Manufacturing%20China%20Supplier%20Threaded%20Rod%20Coupling%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffree-sample-manufacturing-china-supplier-threaded-rod-coupling-nut%2F)