--- title: "Professional-Manufacture-Four-Claws-Nuts-Square-Nuts" description: "Professional-Manufacture-Four-Claws-Nuts-Square-Nuts — Square Nuts. Material: Carbon Steel, Standard: DIN. MOQ 10,000 pieces, US$0.0108 – 1.20." url: https://engineeringhardware.com/product/professional-manufacture-four-claws-nuts-square-nuts/ source: Engineering Hardware & Fasteners --- # Professional-Manufacture-Four-Claws-Nuts-Square-Nuts [![Professional-Manufacture-Four-Claws-Nuts-Square-Nuts](https://img.engineeringhardware.com/Professional-Manufacture-Four-Claws-Nuts-Square-Nuts.webp)](https://img.engineeringhardware.com/Professional-Manufacture-Four-Claws-Nuts-Square-Nuts.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/professional-manufacture-four-claws-nuts-square-nuts.md) US$0.0108 – 1.20 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Round - **Standard:** DIN - **Grade:** 4.8 - **Surface Treatment:** Zinc Plated - **Thread Size:** No Thread - **Hot DIP Treatment:** No Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Professional-Manufacture-Four-Claws-Nuts-Square-Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fprofessional-manufacture-four-claws-nuts-square-nuts%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 | Round Head | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN | | Grade | 4.8 | | Produce Method | Cold Heading | | Surface Treatment | Zinc Plated | | Thread Size | No Thread | | Hot DIP Treatment | No | | Transport Package | Carton with Pallet | | Origin | China | | HS Code | 7318290000 | | Production Capacity | 3billion/Year | | Category | [Square Nuts](https://engineeringhardware.com/fastener-products/nuts/square-nuts/) | ## Technical parameters | Product name | Connecting nut/Nut/Hardware Accessories/Fastener | | --- | --- | | Material | Carbon steel | | Size | Multi-size | | Surface treatment | Original color/Color zinc/Blue and white zinc/Environmental protection zinc | | Standard | DIN1624 | | Material grade | 4.8 grade | | Package | Plastic bag/Carton | ## Description Professional-Manufacture-Four-Claws-Nuts-Square-Nuts is part of our square nuts range (Nuts). ### Key details - **Type:** Round Head - **Standard:** DIN - **Material:** Carbon Steel - **Grade:** 4.8 - **Thread Size:** No Thread - **Head Style:** Round - **Surface Treatment:** Zinc Plated - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and surface treatment. 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$0.0108 – 1.20 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 Professional-Manufacture-Four-Claws-Nuts-Square-Nuts? The listed minimum order is 10,000 pieces, at US$0.0108 – 1.20 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 Professional-Manufacture-Four-Claws-Nuts-Square-Nuts? Type: Round Head; Standard: DIN; Material: Carbon Steel; Grade: 4.8; Thread Size: No Thread; Head Style: Round. 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 surface treatment. 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/) [![Corrosion Resistant Square Washer with ISO9001 304 Stainless Steel Smooth Surface](https://img.engineeringhardware.com/Corrosion-Resistant-Square-Washer-with-ISO9001-304-Stainless-Steel-Smooth-Surface.webp)](https://engineeringhardware.com/product/corrosion-resistant-square-washer-with-iso9001-304-stainless-steel-smooth-surface/) Square Nuts ### [Corrosion Resistant Square Washer with ISO9001 304 Stainless Steel Smooth Surface](https://engineeringhardware.com/product/corrosion-resistant-square-washer-with-iso9001-304-stainless-steel-smooth-surface/) Square Nut · DIN, GB **US$0.18 – 998.40**MOQ 2,000 pieces [![High-Quality Insulating Nylon Washer – ISO9001 Certified 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ASME, Ifi, ISO **US$0.0024 – 0.006**MOQ 1,000 pieces **US$0.0108 – 1.20**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%20Professional-Manufacture-Four-Claws-Nuts-Square-Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fprofessional-manufacture-four-claws-nuts-square-nuts%2F)