--- title: "Galvanized Extended Hexagonal Nut/Extended Round Joint Nut/Threaded Connection Nut M6-M20" description: "Galvanized Extended Hexagonal Nut/Extended Round Joint Nut/Threaded Connection Nut M6-M20 — T-Nuts, Slot Nuts & Channel Spring Nuts." url: https://engineeringhardware.com/product/galvanized-extended-hexagonal-nut-extended-round-joint-nut-threaded-connection-nut/ source: Engineering Hardware & Fasteners --- # Galvanized Extended Hexagonal Nut/Extended Round Joint Nut/Threaded Connection Nut M6-M20 [![Galvanized Extended Hexagonal Nut/Extended Round Joint Nut/Threaded Connection Nut M6-M20](https://img.engineeringhardware.com/Galvanized-Extended-Hexagonal-Nut-Extended-Round-Joint-Nut-Threaded-Connection-Nut-M6-M20.webp)](https://img.engineeringhardware.com/Galvanized-Extended-Hexagonal-Nut-Extended-Round-Joint-Nut-Threaded-Connection-Nut-M6-M20.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › T-Nuts, Slot Nuts & Channel Spring Nuts](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/galvanized-extended-hexagonal-nut-extended-round-joint-nut-threaded-connection-nut.md) Model no. **DIN 6334** US$0.12 – 0.60 / piece MOQ 1 piece · Final price confirmed in your quote - **Head Style:** Square - **Standard:** DIN, ANSI, GB, JIS, BSW, ASME - **Grade:** 4.8 - **Finish:** Zp/Yzp/HDG/Black/Geomet/Dacromet - **Thread:** Coarse/ Fine - **Specific Sizes:** Customize - **Package Size:** 25.00cm * 25.00cm * 15.00cm - **Material:** High Strength Steel Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Galvanized%20Extended%20Hexagonal%20Nut%2FExtended%20Round%20Joint%20Nut%2FThreaded%20Connection%20Nut%20M6-M20%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fgalvanized-extended-hexagonal-nut-extended-round-joint-nut-threaded-connection-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 | Model NO. | DIN 6334 | | --- | --- | | Connection | Common Bolt | | Head Style | Square | | Standard | DIN, ANSI, GB, JIS, BSW, ASME | | Grade | 4.8 | | Finish | Zp/Yzp/HDG/Black/Geomet/Dacromet | | Thread | Coarse/ Fine | | Package | Plastic Bag/Carton Package/Customize | | Deliver Time | Follow Customer's Request | | Specific Sizes | Customize | | Transport Package | 25kgs Ctns/Bags We Can Follow Customer's Request | | Specification | M6-M100, 1/4''-1-1/2'' | | Origin | Handan City | | HS Code | 731816 | | Production Capacity | 50000000 | | Package Size | 25.00cm * 25.00cm * 15.00cm | | Package Gross Weight | 25.000kg | | Customization | Available | | Material | High Strength Steel | | Type | Hexagon Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Durable Structure | Our carbon steel hexagonal socket barrel nut is durable and made of high-quality carbon steel, ensuring strength and durability in heavy industrial applications. | | Multi functional size options | Available in various sizes (M6, M8, M10, M12, M16, M18, M20), this product can meet different user needs, including heavy industry users who require specific sizes. | | High quality completion | The nut is galvanized to provide excellent corrosion resistance and smooth appearance, meeting the expectations of users who value a high-quality finished product. | | ITEM NAME | Coupling nut | | SIZE | M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M73 M80 M85 M90 M100 | | SIZE | 1/4" 5/16" 3/8" 7/16" 1/2" 9/16'' 5/8'' 3/4'' 7/8'' 1'' 1-1/4'' 1-3/8'' 1-1/2'' | | FINISH | PLAIN, ZP, YZP, HDG, Dacromet, Black Oxide ,Cr3+ , Mechanical Galvanizing, | | Core Products | - Nuts and bolts of various specifications | | Our products adhere to international standards, including | - DIN(German Standard) | | PACKAGE | 25kgs Box with Pallet, 25kgs woven bags, 25 kgs Gunny bags , or we can follow customer's request | | Category | [T-Nuts, Slot Nuts & Channel Spring Nuts](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) | ## Technical parameters | ITEM NAME: | Coupling nut | | --- | --- | | MATERIAL: | Carbon steel SAE1008 / C1010 / C1020 / 10B21 / 20MnTib / 40Cr / 35Croma / Q355 etc. | | STANDARD: | GB / DIN / ASME/ANSI / BSW | | GRADE: | Gr4 / Gr6 / Gr8 / Gr10 / Gr12 / Class2 / Class5 / Class8 / 2H Heavy Nut | | SIZE : | M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M73 M80 M85 M90 M100 | | SIZE: | 1/4" 5/16" 3/8" 7/16" 1/2" 9/16'' 5/8'' 3/4'' 7/8'' 1'' 1-1/4'' 1-3/8'' 1-1/2'' | | FINISH : | PLAIN, ZP, YZP, HDG, Dacromet, Black Oxide ,Cr3+ , Mechanical Galvanizing, | ## Description Galvanized Extended Hexagonal Nut/Extended Round Joint Nut/Threaded Connection Nut M6-M20 is part of our t-nuts, slot nuts & channel spring nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, BSW, ASME - **Material:** High Strength Steel - **Grade:** 4.8 - **SIZE:** 1/4" 5/16" 3/8" 7/16" 1/2" 9/16'' 5/8'' 3/4'' 7/8'' 1'' 1-1/4'' 1-3/8'' 1-1/2'' - **Thread:** Coarse/ Fine - **Head Style:** Square - **Finish:** Zp/Yzp/HDG/Black/Geomet/Dacromet Available configurations include head style, standard, grade, finish and thread. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$0.12 – 0.60 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 Galvanized Extended Hexagonal Nut/Extended Round Joint Nut/Threaded Connection Nut M6-M20? The listed minimum order is 1 piece, at US$0.12 – 0.60 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 Galvanized Extended Hexagonal Nut/Extended Round Joint Nut/Threaded Connection Nut M6-M20? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, ASME; Material: High Strength Steel; Grade: 4.8; SIZE: 1/4" 5/16" 3/8" 7/16" 1/2" 9/16'' 5/8'' 3/4'' 7/8'' 1'' 1-1/4'' 1-3/8'' 1-1/2''; Thread: Coarse/ Fine. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head style, standard, grade, finish and thread. 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 t-nuts, slot nuts & channel spring nuts are available? The T-Nuts, Slot Nuts & Channel Spring Nuts category lists 1,888 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All T-Nuts, Slot Nuts & Channel Spring Nuts →](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) [![Good Quality Plastic Nuts Dried Fruit Dessert Cups Clear Pet Disposable Plastic Dried Fruit Nuts Bowls Withlids](https://img.engineeringhardware.com/Good-Quality-Plastic-Nuts-Dried-Fruit-Dessert-Cups-Clear-Pet-Disposable-Plastic-Dried-Fruit-Nuts-Bowls-Withlids.webp)](https://engineeringhardware.com/product/good-quality-plastic-nuts-dried-fruit-dessert-cups-clear-pet-disposable-plastic/) T-Nuts, Slot Nuts & Channel Spring Nuts ### [Good Quality Plastic Nuts Dried Fruit Dessert Cups Clear Pet Disposable Plastic Dried Fruit Nuts Bowls Withlids](https://engineeringhardware.com/product/good-quality-plastic-nuts-dried-fruit-dessert-cups-clear-pet-disposable-plastic/) Cup · Plastic **US$0.036 – 0.06**MOQ 10,000 pieces [![Stainless Steel 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