--- title: "Internal Thread Stainless Steel Round Long Coupling Connector Nut" description: "Internal Thread Stainless Steel Round Long Coupling Connector Nut — Hex & Other Standard Nuts. MOQ 10,000 pieces, US$0.10." url: https://engineeringhardware.com/product/internal-thread-stainless-steel-round-long-coupling-connector-nut/ source: Engineering Hardware & Fasteners --- # Internal Thread Stainless Steel Round Long Coupling Connector Nut [![Internal Thread Stainless Steel Round Long Coupling Connector Nut](https://img.engineeringhardware.com/Internal-Thread-Stainless-Steel-Round-Long-Coupling-Connector-Nut.webp)](https://img.engineeringhardware.com/Internal-Thread-Stainless-Steel-Round-Long-Coupling-Connector-Nut.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/internal-thread-stainless-steel-round-long-coupling-connector-nut.md) Model no. **M8X10X12 TO M12X45X18** US$0.10 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN, ANSI, BSW - **Grade:** A2-70 - **Finishing:** Plain /polish Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Internal%20Thread%20Stainless%20Steel%20Round%20Long%20Coupling%20Connector%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Finternal-thread-stainless-steel-round-long-coupling-connector-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 | | --- | --- | | Material | Stainless Steel | | Type | Round Head | | Model NO. | M8X10X12 TO M12X45X18 | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, BSW | | Grade | A2-70 | | Transport Package | Box and Ctns and Pallets | | Specification | M8X10X12 TO M12X45X18 | | Origin | Zhejiang China | | HS Code | 7318160000 | | Production Capacity | 10000000 | | DESCRIPTION | STAINLESS STEEL 304/316 | | Certification | ISO, ROHS, SGS | | Finishing | Plain /polish | | Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) | ## Technical parameters | Product Name | Polished Stainless Steel Long Round Coupling Nut With Plain | | --- | --- | | Material | SUS304/SUS316/SUS410 | | Color | Polish | | Standard | DIN,ASME,ASNI,ISO | | Grade | Stainless steel 304/316 and 410 and so on | | Available Packing | Box+Chipboard Cartons+Plywood pallet with Belt &Film. | | Payment | T/T | | Price | FOB China Ningbo or shanghai port | | Finished | Polish | | Thread | Coarse, Fine | | Used | Building Industry Machinery | | Size | d | L | S | | --- | --- | --- | --- | | M8X10X12 | 8 | 10 | 12 | | M8X12X12 | 8 | 12 | 12 | | M8X15X12 | 8 | 15 | 12 | | M8X20X12 | 8 | 20 | 12 | | M8X25X12 | 8 | 25 | 12 | | M8X30X12 | 8 | 30 | 12 | | M8X35X14 | 8 | 35 | 14 | | M8X40X14 | 8 | 40 | 14 | | M10X20X16 | 10 | 20 | 16 | | M10X25X16 | 10 | 25 | 16 | | M10X30X16 | 10 | 30 | 16 | | M10X35X16 | 10 | 35 | 16 | | M10X40X16 | 10 | 40 | 16 | | M12X25X18 | 12 | 25 | 18 | | M12X30X18 | 12 | 30 | 18 | | M12X35X18 | 12 | 35 | 18 | | M12X40X18 | 12 | 40 | 18 | | M12X45X18 | 12 | 45 | 18 | ## Description Internal Thread Stainless Steel Round Long Coupling Connector Nut is part of our hex & other standard nuts range (Nuts). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, BSW - **Material:** Stainless Steel - **Grade:** A2-70 - **Head Style:** Round - **Connection:** Common Bolt - **Certification:** ISO, ROHS, SGS - **DESCRIPTION:** STAINLESS STEEL 304/316 Available configurations include material, head style, standard, grade and finishing. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.10 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 Internal Thread Stainless Steel Round Long Coupling Connector Nut? The listed minimum order is 10,000 pieces, at US$0.10 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 Internal Thread Stainless Steel Round Long Coupling Connector Nut? Type: Round Head; Standard: DIN, ANSI, BSW; Material: Stainless Steel; Grade: A2-70; Head Style: Round; Connection: Common Bolt. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, head style, standard, grade and finishing. 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 hex & other standard nuts are available? The Hex & Other Standard Nuts category lists 8,354 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) 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 Hex & Other Standard Nuts →](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) [![Custom Nut Wheel Locks Nut Chrome Cone Seat M12 X 1.5](https://img.engineeringhardware.com/Custom-Nut-Wheel-Locks-Nut-Chrome-Cone-Seat-M12-X-1-5.webp)](https://engineeringhardware.com/product/custom-nut-wheel-locks-nut-chrome-cone-seat-m12-x-1-5/) Hex & Other Standard Nuts ### [Custom Nut Wheel Locks Nut Chrome Cone Seat M12 X 1.5](https://engineeringhardware.com/product/custom-nut-wheel-locks-nut-chrome-cone-seat-m12-x-1-5/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.0012 – 0.0024**MOQ 1,000 pieces [![Custom-Made Vertical Knurled Hexagonal Nuts, Pre-Embedded Welded Irregular-Shaped 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Nuts](https://img.engineeringhardware.com/Stainless-Steel-Material-M2-M4-M6-DIN934-Metric-Size-Support-Customization-Hex-Nuts.webp)](https://engineeringhardware.com/product/stainless-steel-material-m2-m4-m6-din934-metric-size-support-customization-hex-nuts/) Hex & Other Standard Nuts ### [Stainless Steel Material M2 M4 M6 DIN934 Metric Size Support Customization Hex Nuts](https://engineeringhardware.com/product/stainless-steel-material-m2-m4-m6-din934-metric-size-support-customization-hex-nuts/) Hexagon Head, Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW, DIN **US$0.012 – 0.06**MOQ 2,000 pieces **US$0.10**MOQ 10,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Internal%20Thread%20Stainless%20Steel%20Round%20Long%20Coupling%20Connector%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Finternal-thread-stainless-steel-round-long-coupling-connector-nut%2F)