--- title: "Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts" description: "Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts — Nylon-Insert & All-Metal Lock Nuts. MOQ 1,000 pieces, US$0.012." url: https://engineeringhardware.com/product/size-m3-m56-various-hex-nuts-t-nuts-weld-nuts-lock-nuts-2/ source: Engineering Hardware & Fasteners --- # Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts [![Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts](https://img.engineeringhardware.com/Size-M3-M56-Various-Hex-Nuts-T-Nuts-Weld-Nuts-Lock-Nuts-2.webp)](https://img.engineeringhardware.com/Size-M3-M56-Various-Hex-Nuts-T-Nuts-Weld-Nuts-Lock-Nuts-2.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/size-m3-m56-various-hex-nuts-t-nuts-weld-nuts-lock-nuts-2.md) Model no. **YL-56** US$0.012 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Standard:** DIN - **Grade:** 4.8 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Size%20M3-M56%20Various%20Hex%20Nuts%20T%20Nuts%20Weld%20Nuts%20Lock%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fsize-m3-m56-various-hex-nuts-t-nuts-weld-nuts-lock-nuts-2%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 | Material | Carbon Steel | | --- | --- | | Type | Hexagon Head | | Connection | Common Bolt | | Model NO. | YL-56 | | Standard | DIN | | Grade | 4.8 | | Product | Nuts | | Main | Nuts, Bolts, Screw, Threaded Rods | | Transport Package | Box Packing | | Specification | M3-M72 | | Origin | China | | HS Code | 73181600 | | Production Capacity | 8000tons/Year | | Category | [Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) | ## Technical parameters | Model NO. | YL-56 | | --- | --- | | Raw Material | Carbon Steel | | Export Markets | Global | | Specification | CE, ROHS, SGS, ISO9001 | | Origin | Haiyan Jiaxing China | | Production Capacity | 8000TONS/YEARS | | Dimension | Customized | | Tolerance | +/-0.01mm | | Delivery Time | 10-30 Days | | Transport Package | BAG&CARTOON | | HS Code | 73181600 | | Product Name | Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts | | --- | --- | | Size | M2-M48,or non-standard as request&design | | Material | Carbon Steel | | Grade | 4.8,8.8,10.9,12.9.etc | | Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc | | Non-standards | OEM is available, according to drawing or samples | | Finish | Plain, black, zinc plated/according to your requirement | | Certification | ISO9001,IATF16949, | | Package | according to customers requirement | ## Description Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts is part of our nylon-insert & all-metal lock nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN - **Material:** Carbon Steel - **Grade:** 4.8 - **Connection:** Common Bolt - **Product:** Nuts - **Main:** Nuts, Bolts, Screw, Threaded Rods Available configurations include material, standard and grade. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1,000 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 Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts? The listed minimum order is 1,000 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 Size M3-M56 Various Hex Nuts T Nuts Weld Nuts Lock Nuts? Type: Hexagon Head; Standard: DIN; Material: Carbon Steel; Grade: 4.8; Connection: Common Bolt; Product: Nuts. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, standard and grade. 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 nylon-insert & all-metal lock nuts are available? The Nylon-Insert & All-Metal Lock Nuts category lists 2,493 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-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 Nylon-Insert & All-Metal Lock Nuts →](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) [![Hongniu Fasteners Hot Products Hex Brass Female Locknut Fasteners Spacer for Plumbing](https://img.engineeringhardware.com/Hongniu-Fasteners-Hot-Products-Hex-Brass-Female-Locknut-Fasteners-Spacer-for-Plumbing.webp)](https://engineeringhardware.com/product/hongniu-fasteners-hot-products-hex-brass-female-locknut-fasteners-spacer-for-plumbing/) Nylon-Insert & All-Metal Lock Nuts ### [Hongniu Fasteners Hot Products Hex Brass Female Locknut Fasteners Spacer for Plumbing](https://engineeringhardware.com/product/hongniu-fasteners-hot-products-hex-brass-female-locknut-fasteners-spacer-for-plumbing/) Hexagon Head · DIN, ANSI, GB, JIS, BSW **US$0.012 – 0.36**MOQ 1 piece [![Assembly Brass Locknut, Rubber, Washer Water Closet & Urinal Spuds](https://img.engineeringhardware.com/Assembly-Brass-Locknut-Rubber-Washer-Water-Closet-Urinal-Spuds.webp)](https://engineeringhardware.com/product/assembly-brass-locknut-rubber-washer-water-closet-urinal-spuds/) Nylon-Insert & All-Metal Lock Nuts ### [Assembly Brass Locknut, Rubber, Washer Water Closet & Urinal Spuds](https://engineeringhardware.com/product/assembly-brass-locknut-rubber-washer-water-closet-urinal-spuds/) Brass · Male **US$2.64 – 3.60**MOQ 500 pieces [![ISO4035 DIN439 Zinc Plated Coarse Thread Nylock Fine Thread Plastic Hex Jam Nut Hex Thin Nut](https://img.engineeringhardware.com/ISO4035-DIN439-Zinc-Plated-Coarse-Thread-Nylock-Fine-Thread-Plastic-Hex-Jam-Nut-Hex-Thin-Nut.webp)](https://engineeringhardware.com/product/iso4035-din439-zinc-plated-coarse-thread-nylock-fine-thread-plastic-hex-jam-nut-hex/) Nylon-Insert & All-Metal Lock Nuts ### [ISO4035 DIN439 Zinc Plated Coarse Thread Nylock Fine Thread Plastic Hex Jam Nut Hex Thin Nut](https://engineeringhardware.com/product/iso4035-din439-zinc-plated-coarse-thread-nylock-fine-thread-plastic-hex-jam-nut-hex/) Hexagon Head · DIN, ANSI, GB, JIS **US$0.012 – 0.12**MOQ 1,000 pieces [![Lock Nuts HDG Class10 M48 Hex Heavy Nut ISO4032 Fasteners](https://img.engineeringhardware.com/Lock-Nuts-HDG-Class10-M48-Hex-Heavy-Nut-ISO4032-Fasteners.webp)](https://engineeringhardware.com/product/lock-nuts-hdg-class10-m48-hex-heavy-nut-iso4032-fasteners/) Nylon-Insert & All-Metal Lock Nuts ### [Lock Nuts HDG Class10 M48 Hex Heavy Nut ISO4032 Fasteners](https://engineeringhardware.com/product/lock-nuts-hdg-class10-m48-hex-heavy-nut-iso4032-fasteners/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW, ISO Uni **US$1,740 – 1,860**MOQ 3 tons [![Customized Stainless Steel Lock Nut EMC Locknuts M30](https://img.engineeringhardware.com/Customized-Stainless-Steel-Lock-Nut-EMC-Locknuts-M30.webp)](https://engineeringhardware.com/product/customized-stainless-steel-lock-nut-emc-locknuts-m30/) Nylon-Insert & All-Metal Lock Nuts ### [Customized Stainless Steel Lock Nut EMC Locknuts M30](https://engineeringhardware.com/product/customized-stainless-steel-lock-nut-emc-locknuts-m30/) Straight Head · Stainless Steel **US$0.30 – 8.64**MOQ 10 pieces [![High-Strength Lightweight Titanium Nut for Automotive Motorbike Racing Bicycle](https://img.engineeringhardware.com/High-Strength-Lightweight-Titanium-Nut-for-Automotive-Motorbike-Racing-Bicycle.webp)](https://engineeringhardware.com/product/high-strength-lightweight-titanium-nut-for-automotive-motorbike-racing-bicycle/) Nylon-Insert & All-Metal Lock Nuts ### [High-Strength Lightweight Titanium Nut for Automotive Motorbike Racing Bicycle](https://engineeringhardware.com/product/high-strength-lightweight-titanium-nut-for-automotive-motorbike-racing-bicycle/) Hexagon Head · DIN **US$1.20 – 238.80**MOQ 200 pieces [![WREN 50 ton Hydraulic Cylinder Series CLL504 Single-Acting Lock Nut Cylinder](https://img.engineeringhardware.com/WREN-50-ton-Hydraulic-Cylinder-Series-CLL504-Single-Acting-Lock-Nut-Cylinder.webp)](https://engineeringhardware.com/product/wren-50-ton-hydraulic-cylinder-series-cll504-single-acting-lock-nut-cylinder/) Nylon-Insert & All-Metal Lock Nuts ### [WREN 50 ton Hydraulic Cylinder Series CLL504 Single-Acting Lock Nut Cylinder](https://engineeringhardware.com/product/wren-50-ton-hydraulic-cylinder-series-cll504-single-acting-lock-nut-cylinder/) Alloy Steel · CE, ISO9001 **US$310.80 – 342.00**MOQ 1 piece [![High Quality Metal Insert Lock Nut All Grades Fastener](https://img.engineeringhardware.com/High-Quality-Metal-Insert-Lock-Nut-All-Grades-Fastener.webp)](https://engineeringhardware.com/product/high-quality-metal-insert-lock-nut-all-grades-fastener/) Nylon-Insert & All-Metal Lock Nuts ### [High Quality Metal Insert Lock Nut All Grades Fastener](https://engineeringhardware.com/product/high-quality-metal-insert-lock-nut-all-grades-fastener/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.012 – 0.12**MOQ 10,000 pieces **US$0.012**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Size%20M3-M56%20Various%20Hex%20Nuts%20T%20Nuts%20Weld%20Nuts%20Lock%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fsize-m3-m56-various-hex-nuts-t-nuts-weld-nuts-lock-nuts-2%2F)