--- title: "High Quality Hexagon Nylon Insert Self-Locking Nut" description: "High Quality Hexagon Nylon Insert Self-Locking Nut — Nylon-Insert & All-Metal Lock Nuts. MOQ 50,000 pieces, US$0.006 – 6.00." url: https://engineeringhardware.com/product/high-quality-hexagon-nylon-insert-self-locking-nut/ source: Engineering Hardware & Fasteners --- # High Quality Hexagon Nylon Insert Self-Locking Nut [![High Quality Hexagon Nylon Insert Self-Locking Nut](https://img.engineeringhardware.com/High-Quality-Hexagon-Nylon-Insert-Self-Locking-Nut.webp)](https://img.engineeringhardware.com/High-Quality-Hexagon-Nylon-Insert-Self-Locking-Nut.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/high-quality-hexagon-nylon-insert-self-locking-nut.md) Model no. **OKL-178** US$0.006 – 6.00 / piece MOQ 50,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel / Stainless Steel 304/316 - **Shape of Head:** Hexagon - **Surface Finishing:** Zinc Plated - **Customized:** Customized - **Surface Finish:** Zinc Plated (Carbon Steel) / Natural (Stainless St - **Diameter Range:** 3.5mm - 6.0mm - **Length Range:** 13mm - 100mm - **Package Size:** 28.00cm * 14.00cm * 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%20High%20Quality%20Hexagon%20Nylon%20Insert%20Self-Locking%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-quality-hexagon-nylon-insert-self-locking-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 / Stainless Steel 304/316 | | Shape of Head | Hexagon | | Model NO. | OKL-178 | | Surface Finishing | Zinc Plated | | Certification | ISO, GS, RoHS, CE | | Customized | Customized | | Product Name | Hexagon Nylon Insert Self-Locking Nut | | Keywords | Nut | | Surface Finish | Zinc Plated (Carbon Steel) / Natural (Stainless St | | Diameter Range | 3.5mm - 6.0mm | | Length Range | 13mm - 100mm | | Point Style | Sharp Piercing Point | | Feature | Corrosion Resistant, Anti-Loosening, High Torque T | | Application | Construction, Industrial, Furniture, Woodworking | | Transport Package | Standard Packaging or Customized | | Specification | Standard Specifications or Customized | | Origin | Zhejiang, China | | HS Code | 7318150000 | | Production Capacity | 300000000PCS/Year | | Package Size | 28.00cm * 14.00cm * 14.00cm | | Package Gross Weight | 20.000kg | | Category | [Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) | ## Technical parameters | TECHNICAL PARAMETERS | | | --- | --- | | Product Name | Hexagon Nylon Insert Self-Locking Nut | | Keywords | Nut | | Material | Carbon Steel / Stainless Steel 304/316 | | Surface Finish | Zinc Plated (Carbon Steel) / Natural (Stainless Steel) | | Diameter Range | 3.5mm - 6.0mm | | Length Range | 13mm - 100mm | | Point Style | Sharp Piercing Point | | Feature | Corrosion Resistant, Anti-Loosening, High Torque Transfer | | Application | Construction, Industrial, Furniture, Woodworking, Decking | ## Description High Quality Hexagon Nylon Insert Self-Locking Nut is part of our nylon-insert & all-metal lock nuts range (Nuts). ### Key details - **Material:** Carbon Steel / Stainless Steel 304/316 - **Application:** Construction, Industrial, Furniture, Woodworking - **Certification:** ISO, GS, RoHS, CE - **Shape of Head:** Hexagon - **Surface Finishing:** Zinc Plated - **Product Name:** Hexagon Nylon Insert Self-Locking Nut - **Keywords:** Nut - **Surface Finish:** Zinc Plated (Carbon Steel) / Natural (Stainless St Available configurations include material, shape of head, surface finishing, customized and surface finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 50,000 pieces at US$0.006 – 6.00 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 High Quality Hexagon Nylon Insert Self-Locking Nut? The listed minimum order is 50,000 pieces, at US$0.006 – 6.00 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 High Quality Hexagon Nylon Insert Self-Locking Nut? Material: Carbon Steel / Stainless Steel 304/316; Application: Construction, Industrial, Furniture, Woodworking; Certification: ISO, GS, RoHS, CE; Shape of Head: Hexagon; Surface Finishing: Zinc Plated; Product Name: Hexagon Nylon Insert Self-Locking Nut. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, shape of head, surface finishing, customized and surface finish. 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/) [![Wholesale DIN 985 Nylon Hex Nut A2-70 A4-80 7/8 Self-Locking Nut Nylon Insert Hex Lock Nut](https://img.engineeringhardware.com/Wholesale-DIN-985-Nylon-Hex-Nut-A2-70-A4-80-7-8-Self-Locking-Nut-Nylon-Insert-Hex-Lock-Nut.webp)](https://engineeringhardware.com/product/wholesale-din-985-nylon-hex-nut-a2-70-a4-80-7-8-self-locking-nut-nylon-insert-hex/) Nylon-Insert & All-Metal Lock Nuts ### [Wholesale DIN 985 Nylon Hex Nut A2-70 A4-80 7/8 Self-Locking Nut Nylon Insert Hex Lock Nut](https://engineeringhardware.com/product/wholesale-din-985-nylon-hex-nut-a2-70-a4-80-7-8-self-locking-nut-nylon-insert-hex/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$1.44 – 1.80**MOQ 10 pieces [![DIN 6927 All Metal Hex Flange Lock Nut Custom Self Locking Nut](https://img.engineeringhardware.com/DIN-6927-All-Metal-Hex-Flange-Lock-Nut-Custom-Self-Locking-Nut.webp)](https://engineeringhardware.com/product/din-6927-all-metal-hex-flange-lock-nut-custom-self-locking-nut/) Nylon-Insert & All-Metal Lock Nuts ### [DIN 6927 All Metal Hex Flange Lock Nut Custom Self Locking Nut](https://engineeringhardware.com/product/din-6927-all-metal-hex-flange-lock-nut-custom-self-locking-nut/) Hexagon Head With Flange · DIN, ANSI **US$0.036 – 0.06**MOQ 1,000 pieces [![DIN 985 Flange Nut Stainless Steel M4 M6 M8 M10 Lock Nut](https://img.engineeringhardware.com/DIN-985-Flange-Nut-Stainless-Steel-M4-M6-M8-M10-Lock-Nut.webp)](https://engineeringhardware.com/product/din-985-flange-nut-stainless-steel-m4-m6-m8-m10-lock-nut/) Nylon-Insert & All-Metal Lock Nuts ### [DIN 985 Flange Nut Stainless Steel M4 M6 M8 M10 Lock Nut](https://engineeringhardware.com/product/din-985-flange-nut-stainless-steel-m4-m6-m8-m10-lock-nut/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.012 – 6.79**MOQ 100 pieces [![Yellow Zp Serrated Hex Flange Nut Metric Auto Lock Nut](https://img.engineeringhardware.com/Yellow-Zp-Serrated-Hex-Flange-Nut-Metric-Auto-Lock-Nut.webp)](https://engineeringhardware.com/product/yellow-zp-serrated-hex-flange-nut-metric-auto-lock-nut/) Nylon-Insert & All-Metal Lock Nuts ### [Yellow Zp Serrated Hex Flange Nut Metric Auto Lock Nut](https://engineeringhardware.com/product/yellow-zp-serrated-hex-flange-nut-metric-auto-lock-nut/) Hexagon Head With Flange · DIN, ANSI **US$0.036 – 0.06**MOQ 1,000 pieces [![Carbon Steel Nylon Lock Nuts in Metric](https://img.engineeringhardware.com/Carbon-Steel-Nylon-Lock-Nuts-in-Metric.webp)](https://engineeringhardware.com/product/carbon-steel-nylon-lock-nuts-in-metric/) Nylon-Insert & All-Metal Lock Nuts ### [Carbon Steel Nylon Lock Nuts in Metric](https://engineeringhardware.com/product/carbon-steel-nylon-lock-nuts-in-metric/) ISO · Zinc/Black Plated/HDG **US$0.12 – 1.20**MOQ 1,000 pieces [![Nylon Insert Lock Nut DIN 985 Hex Thin Self-Locking Nut M4-M20](https://img.engineeringhardware.com/Nylon-Insert-Lock-Nut-DIN-985-Hex-Thin-Self-Locking-Nut-M4-M20.webp)](https://engineeringhardware.com/product/nylon-insert-lock-nut-din-985-hex-thin-self-locking-nut-m4-m20/) Nylon-Insert & All-Metal Lock Nuts ### [Nylon Insert Lock Nut DIN 985 Hex Thin Self-Locking Nut M4-M20](https://engineeringhardware.com/product/nylon-insert-lock-nut-din-985-hex-thin-self-locking-nut-m4-m20/) Hexagon Head · DIN **US$0.12 – 0.14**MOQ 5,000 pieces [![DIN985 DIN982 Carbon Steel Stainless Steel Nylon Lock Self Locking Hex Nut Hexagon Lock Nut](https://img.engineeringhardware.com/DIN985-DIN982-Carbon-Steel-Stainless-Steel-Nylon-Lock-Self-Locking-Hex-Nut-Hexagon-Lock-Nut.webp)](https://engineeringhardware.com/product/din985-din982-carbon-steel-stainless-steel-nylon-lock-self-locking-hex-nut-hexagon/) Nylon-Insert & All-Metal Lock Nuts ### [DIN985 DIN982 Carbon Steel Stainless Steel Nylon Lock Self Locking Hex Nut Hexagon Lock Nut](https://engineeringhardware.com/product/din985-din982-carbon-steel-stainless-steel-nylon-lock-self-locking-hex-nut-hexagon/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.024 – 0.06**MOQ 1,000 pieces [![SS304 SS316 DIN985 M6 M8 M10 Nylon Nut Stainless Steel Nylock Nuts](https://img.engineeringhardware.com/SS304-SS316-DIN985-M6-M8-M10-Nylon-Nut-Stainless-Steel-Nylock-Nuts.webp)](https://engineeringhardware.com/product/ss304-ss316-din985-m6-m8-m10-nylon-nut-stainless-steel-nylock-nuts/) Nylon-Insert & All-Metal Lock Nuts ### [SS304 SS316 DIN985 M6 M8 M10 Nylon Nut Stainless Steel Nylock Nuts](https://engineeringhardware.com/product/ss304-ss316-din985-m6-m8-m10-nylon-nut-stainless-steel-nylock-nuts/) Hexagon Head · DIN, ANSI, GB, JIS **US$0.0072 – 0.024**MOQ 1 piece **US$0.006 – 6.00**MOQ 50,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High%20Quality%20Hexagon%20Nylon%20Insert%20Self-Locking%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-quality-hexagon-nylon-insert-self-locking-nut%2F)