--- title: "Factory Wholesale Nylon Lock Nut /Wing Nuts/ Hex Coupling Nuts" description: "Factory Wholesale Nylon Lock Nut /Wing Nuts/ Hex Coupling Nuts — Nylon-Insert & All-Metal Lock Nuts. MOQ 300 pieces, US$1.44 – 1.80." url: https://engineeringhardware.com/product/factory-wholesale-nylon-lock-nut-wing-nuts-hex-coupling-nuts/ source: Engineering Hardware & Fasteners --- # Factory Wholesale Nylon Lock Nut /Wing Nuts/ Hex Coupling Nuts [![Factory Wholesale Nylon Lock Nut /Wing Nuts/ Hex Coupling Nuts](https://img.engineeringhardware.com/Factory-Wholesale-Nylon-Lock-Nut-Wing-Nuts-Hex-Coupling-Nuts.webp)](https://img.engineeringhardware.com/Factory-Wholesale-Nylon-Lock-Nut-Wing-Nuts-Hex-Coupling-Nuts.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/factory-wholesale-nylon-lock-nut-wing-nuts-hex-coupling-nuts.md) Model no. **EB** US$1.44 – 1.80 / piece MOQ 300 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Hexagonal - **Standard:** GB - **Grade:** 12.9 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Factory%20Wholesale%20Nylon%20Lock%20Nut%20%2FWing%20Nuts%2F%20Hex%20Coupling%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffactory-wholesale-nylon-lock-nut-wing-nuts-hex-coupling-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 | Stainless Steel | | Type | Hexagon Head | | Model NO. | EB | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | GB | | Grade | 12.9 | | Transport Package | Carton | | Specification | M17*22 mm | | Origin | China | | HS Code | 7318160000 | | Production Capacity | 500000pieces/Year | | Product Description | 304 stainless steel is the most common stainless steel. The steel contains both chromium (between 18% and 20%) and | | Chemical Composition | Composition | | Category | [Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) | ## Technical parameters | Composition (%) | C | Si | Mn | Cr | Ni | S | P | | --- | --- | --- | --- | --- | --- | --- | --- | | 304 Stainless Steel | ≤0.07 | ≤1.00 | ≤2.00 | 17.0~19.0 | 8.0~11.0 | ≤0.03 | ≤0.035 | ## Description Factory Wholesale Nylon Lock Nut /Wing Nuts/ Hex Coupling Nuts is part of our nylon-insert & all-metal lock nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Standard:** GB - **Material:** Stainless Steel - **Grade:** 12.9 - **Head Style:** Hexagonal - **Connection:** Common Bolt - **Chemical Composition:** Composition Available configurations include material, head style, standard and grade. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 300 pieces at US$1.44 – 1.80 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 Factory Wholesale Nylon Lock Nut /Wing Nuts/ Hex Coupling Nuts? The listed minimum order is 300 pieces, at US$1.44 – 1.80 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 Factory Wholesale Nylon Lock Nut /Wing Nuts/ Hex Coupling Nuts? Type: Hexagon Head; Standard: GB; Material: Stainless Steel; Grade: 12.9; Head Style: Hexagonal; 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 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/) [![High Precision 12 Point Flange Nut Lock Nut Hex Nut Durable Fastener](https://img.engineeringhardware.com/High-Precision-12-Point-Flange-Nut-Lock-Nut-Hex-Nut-Durable-Fastener.webp)](https://engineeringhardware.com/product/high-precision-12-point-flange-nut-lock-nut-hex-nut-durable-fastener/) Nylon-Insert & All-Metal Lock Nuts ### [High Precision 12 Point Flange Nut Lock Nut Hex Nut Durable Fastener](https://engineeringhardware.com/product/high-precision-12-point-flange-nut-lock-nut-hex-nut-durable-fastener/) Hexagon Head · DIN, ANSI, GB **US$0.11 – 0.14**MOQ 100 pieces [![DIN1624 Four Claw Insert Nut, Furniture Wood Lock Nut 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Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.06 – 0.12**MOQ 1,000 pieces [![304 316 Plain Polishing Castle Slotted Round Nut/Insert/Spring/Lug Nut/Round Slotted Lock Nut/Carbon Steel Black Oxide Fastener](https://img.engineeringhardware.com/304-316-Plain-Polishing-Castle-Slotted-Round-Nut-Insert-Spring-Lug-Nut-Round-Slotted-Lock-Nut-Carbon-Steel-Black-Oxide-Fastener.webp)](https://engineeringhardware.com/product/304-316-plain-polishing-castle-slotted-round-nut-insert-spring-lug-nut-round-slotted/) Nylon-Insert & All-Metal Lock Nuts ### [304 316 Plain Polishing Castle Slotted Round Nut/Insert/Spring/Lug Nut/Round Slotted Lock Nut/Carbon Steel Black Oxide Fastener](https://engineeringhardware.com/product/304-316-plain-polishing-castle-slotted-round-nut-insert-spring-lug-nut-round-slotted/) DIN, GB · Stainless Steel **US$0.18 – 998.40**MOQ 2,000 pieces [![Stainless Steel Square Lock Cage Nut /Nylon Insert Lock Nut/Coupling Nut/Wing Nut/Tee Nut/Spring 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Fasterner · 40cr **US$960.00 – 1,200**MOQ 10 pieces [![DIN 981 Km Series Bearing Lock Nut, Precision Slotted Locking Nut for Bearings and Shafts](https://img.engineeringhardware.com/DIN-981-Km-Series-Bearing-Lock-Nut-Precision-Slotted-Locking-Nut-for-Bearings-and-Shafts.webp)](https://engineeringhardware.com/product/din-981-km-series-bearing-lock-nut-precision-slotted-locking-nut-for-bearings-and/) Nylon-Insert & All-Metal Lock Nuts ### [DIN 981 Km Series Bearing Lock Nut, Precision Slotted Locking Nut for Bearings and Shafts](https://engineeringhardware.com/product/din-981-km-series-bearing-lock-nut-precision-slotted-locking-nut-for-bearings-and/) Cheese Head · DIN, ANSI, GB, JIS **US$0.0432 – 0.06**MOQ 1,000 pieces [![M10 Carbon Steel Black Oxide Sealing Lock Nut](https://img.engineeringhardware.com/M10-Carbon-Steel-Black-Oxide-Sealing-Lock-Nut.webp)](https://engineeringhardware.com/product/m10-carbon-steel-black-oxide-sealing-lock-nut/) Nylon-Insert & All-Metal Lock Nuts ### [M10 Carbon Steel Black Oxide Sealing Lock Nut](https://engineeringhardware.com/product/m10-carbon-steel-black-oxide-sealing-lock-nut/) Hexagon Head With Flange · DIN, ANSI, GB, JIS **US$0.24 – 1.44**MOQ 1,000 pieces **US$1.44 – 1.80**MOQ 300 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Factory%20Wholesale%20Nylon%20Lock%20Nut%20%2FWing%20Nuts%2F%20Hex%20Coupling%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffactory-wholesale-nylon-lock-nut-wing-nuts-hex-coupling-nuts%2F)