--- title: "Custom Nuts Square Flat Rectangle Rectangular Nut" description: "Custom Nuts Square Flat Rectangle Rectangular Nut — Hex & Other Standard Nuts. Material: Carbon Steel, Grade: 5.6. MOQ 30,000 pieces, US$0.096 – 0.11." url: https://engineeringhardware.com/product/custom-nuts-square-flat-rectangle-rectangular-nut/ source: Engineering Hardware & Fasteners --- # Custom Nuts Square Flat Rectangle Rectangular Nut [![Custom Nuts Square Flat Rectangle Rectangular Nut](https://img.engineeringhardware.com/Custom-Nuts-Square-Flat-Rectangle-Rectangular-Nut.webp)](https://img.engineeringhardware.com/Custom-Nuts-Square-Flat-Rectangle-Rectangular-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/custom-nuts-square-flat-rectangle-rectangular-nut.md) | **US$0.11**30,000–49,999 pieces | **US$0.11**50,000–99,999 pieces | **US$0.096**100,000+ pieces | | --- | --- | --- | MOQ 30,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Grade:** 5.6 - **Material Name:** Steel 45/ 40cr /35CrMo - **Surface Treatment:** Zinc Plated - **Package Size:** 25.00cm * 25.00cm * 14.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Custom%20Nuts%20Square%20Flat%20Rectangle%20Rectangular%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustom-nuts-square-flat-rectangle-rectangular-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 | Carbon Steel | | Type | Square Head | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 5.6 | | Material Name | Steel 45/ 40cr /35CrMo | | Property Class | Class 4 | | Surface Treatment | Zinc Plated | | Original | China | | Usage | Funiture/Door/ | | Transport Package | Carton+Pallet | | Specification | 25kg/carton | | Origin | China | | HS Code | 73181600 | | Production Capacity | 50000PCS/Day | | Package Size | 25.00cm * 25.00cm * 14.00cm | | Package Gross Weight | 25.000kg | | P.S. | Given the dynamic nature of material costs, we strongly advise contacting us for a precise and current quote before finalizing your purchase. This proactive approach ensures you lock in the most competitive and advantageous rates, empowering you to manage your budget with accuracy and finesse, optimizing your purchasing strategy with utmost confidence. | | Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) | ## Technical parameters | Model NO. | Square nuts | Head Style | square | | --- | --- | --- | --- | | Standard | DIN, ANSI, GB, JIS, GOST | Application | Machinery, Chemical Industry, Environmental, Building | | Body Surface | Natural Polish, Zinc Plated, Black, Natural | Hardness | 8.8, 9.8, 10.9, 12.9 A2-70 A4-80 | | Materials | Carbon Steel, Stainless Steel, Aluminum | Packing | Bulk in Cartons + Pallets | | Transport Package | Air or Sea Freight | Specification | M10-M42 | | HS Code | 731819 | Production Capacity | 2500Ton/year | | Mechnical Property | Material | Surface Treatment | | --- | --- | --- | | Class 6 / 8/ 10 /12 | C45 40Cr 35CrMo 42CrMo | ♦Yellow Zinc ♦Zinc Plated ♦Black Oxide ♦Phosphate ♦Dacromet ♦Geomet | | MAIN PRODUCTS | | --- | | Our Factory Introduction | | --- | ## Description Custom Nuts Square Flat Rectangle Rectangular Nut is part of our hex & other standard nuts range (Nuts). ### Key details - **Type:** Square Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Carbon Steel - **Grade:** 5.6 - **Head Style:** Round - **Surface Treatment:** Zinc Plated - **Connection:** Common Bolt - **Material Name:** Steel 45/ 40cr /35CrMo Available configurations include material, head style, standard, grade and material name. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 30,000 pieces at US$0.096 – 0.11 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 Custom Nuts Square Flat Rectangle Rectangular Nut? The listed minimum order is 30,000 pieces, at US$0.096 – 0.11 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### How does the price change with quantity? Volume pricing: US$0.11 for 30,000–49,999 pieces; US$0.11 for 50,000–99,999 pieces; US$0.096 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Custom Nuts Square Flat Rectangle Rectangular Nut? Type: Square Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: 5.6; Head Style: Round; Surface Treatment: Zinc Plated. 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 material name. 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/) [![SAE 45 Flare Resists Mechanical Pull-out Brass Long Rod Nut](https://img.engineeringhardware.com/SAE-45-Flare-Resists-Mechanical-Pull-out-Brass-Long-Rod-Nut.webp)](https://engineeringhardware.com/product/sae-45-flare-resists-mechanical-pull-out-brass-long-rod-nut/) Hex & Other Standard Nuts ### [SAE 45 Flare Resists Mechanical Pull-out Brass Long Rod Nut](https://engineeringhardware.com/product/sae-45-flare-resists-mechanical-pull-out-brass-long-rod-nut/) Metal Joint · Copper **US$0.06 – 0.14**MOQ 10 pieces [![Chinese Manufacturer Stainless Steel, M8 Auto Parts U Nuts](https://img.engineeringhardware.com/Chinese-Manufacturer-Stainless-Steel-M8-Auto-Parts-U-Nuts.webp)](https://engineeringhardware.com/product/chinese-manufacturer-stainless-steel-m8-auto-parts-u-nuts/) Hex & Other Standard Nuts ### [Chinese Manufacturer Stainless Steel, M8 Auto Parts U Nuts](https://engineeringhardware.com/product/chinese-manufacturer-stainless-steel-m8-auto-parts-u-nuts/) Clip · 1. 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