--- title: "Premium Square Nuts for Ultimate Corrosion Resistance Solutions" description: "Premium Square Nuts for Ultimate Corrosion Resistance Solutions — Square Nuts. Material: Carbon Steel, Grade: 4.8. MOQ 100 pieces, US$0.012." url: https://engineeringhardware.com/product/premium-square-nuts-for-ultimate-corrosion-resistance-solutions/ source: Engineering Hardware & Fasteners --- # Premium Square Nuts for Ultimate Corrosion Resistance Solutions [![Premium Square Nuts for Ultimate Corrosion Resistance Solutions](https://img.engineeringhardware.com/Premium-Square-Nuts-for-Ultimate-Corrosion-Resistance-Solutions.webp)](https://img.engineeringhardware.com/Premium-Square-Nuts-for-Ultimate-Corrosion-Resistance-Solutions.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Square Nuts](https://engineeringhardware.com/fastener-products/nuts/square-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/premium-square-nuts-for-ultimate-corrosion-resistance-solutions.md) Model no. **M2-M120** US$0.012 / piece MOQ 100 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Square - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Grade:** 4.8 - **Color:** Plain,Galvanizing,Blackening Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Square%20Nuts%20for%20Ultimate%20Corrosion%20Resistance%20Solutions%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-square-nuts-for-ultimate-corrosion-resistance-solutions%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 | Carbon Steel | | Type | Square Head | | Model NO. | M2-M120 | | Connection | Common Bolt | | Head Style | Square | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 4.8 | | Color | Plain,Galvanizing,Blackening | | Application | Connection,Fastening | | Quality Control | 100% Quality Inspection | | Sample Service | Available | | Transport Package | Box+Carton+Pallet(It Depends | | Specification | M2-M120 | | Origin | China | | HS Code | 7318150000 | | Production Capacity | 10000K/Month | | Category | [Square Nuts](https://engineeringhardware.com/fastener-products/nuts/square-nuts/) | ## Technical parameters | M2-M120 | Connection | Common Bolt | | | --- | --- | --- | --- | | Head Style | Square | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 | Color | Plain,galvanizing,blackening | | Application | Connection,Fastening | Quality Control | 100% Quality Inspection | | Sample Service | Available | Origin | China | | Transport Package | Export Packing | Production Capacity | 10000K/Month | ## Description Premium Square Nuts for Ultimate Corrosion Resistance Solutions is part of our square nuts range (Nuts). ### Key details - **Type:** Square Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Carbon Steel - **Grade:** 4.8 - **Head Style:** Square - **Connection:** Common Bolt - **Application:** Connection,Fastening - **Color:** Plain,Galvanizing,Blackening Available configurations include material, head style, standard, grade and color. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$0.012 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 Premium Square Nuts for Ultimate Corrosion Resistance Solutions? The listed minimum order is 100 pieces, at US$0.012 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 Premium Square Nuts for Ultimate Corrosion Resistance Solutions? Type: Square Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: 4.8; Head Style: Square; 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 color. 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 square nuts are available? The Square Nuts category lists 483 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/square-nuts/](https://engineeringhardware.com/fastener-products/nuts/square-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 Square Nuts →](https://engineeringhardware.com/fastener-products/nuts/square-nuts/) [![Factory Direct Solid Brass C36000 Square Nut, Chamfered Both Faces, DIN562, Nominal M8, Bright Polished Silver, for Guardrail Post Connections](https://img.engineeringhardware.com/Factory-Direct-Solid-Brass-C36000-Square-Nut-Chamfered-Both-Faces-DIN562-Nominal-M8-Bright-Polished-Silver-for-Guardrail-Post-Connections.webp)](https://engineeringhardware.com/product/factory-direct-solid-brass-c36000-square-nut-chamfered-both-faces-din562-nominal-m8/) Square Nuts ### [Factory Direct Solid Brass C36000 Square Nut, Chamfered Both Faces, DIN562, Nominal M8, Bright Polished Silver, for Guardrail Post Connections](https://engineeringhardware.com/product/factory-direct-solid-brass-c36000-square-nut-chamfered-both-faces-din562-nominal-m8/) Brass · 304, 316 **US$0.03 – 0.0432**MOQ 1,000 pieces 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Steel ISO9001 Polished DIN7337 M2-M6.4](https://engineeringhardware.com/product/durable-blind-rivet-with-stainless-steel-iso9001-polished-din7337-m2-m6-4/) Square Nut · DIN, GB **US$0.18 – 998.40**MOQ 2,000 pieces **US$0.012**MOQ 100 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Square%20Nuts%20for%20Ultimate%20Corrosion%20Resistance%20Solutions%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-square-nuts-for-ultimate-corrosion-resistance-solutions%2F)