--- title: "Heavy-Duty Hex Cap Nuts for Secure Handrail Installations" description: "Heavy-Duty Hex Cap Nuts for Secure Handrail Installations — Cap, Dome & Acorn Nuts. MOQ 1,000 pieces, US$0.0012 – 0.0024." url: https://engineeringhardware.com/product/heavy-duty-hex-cap-nuts-for-secure-handrail-installations/ source: Engineering Hardware & Fasteners --- # Heavy-Duty Hex Cap Nuts for Secure Handrail Installations [![Heavy-Duty Hex Cap Nuts for Secure Handrail Installations](https://img.engineeringhardware.com/Heavy-Duty-Hex-Cap-Nuts-for-Secure-Handrail-Installations.webp)](https://img.engineeringhardware.com/Heavy-Duty-Hex-Cap-Nuts-for-Secure-Handrail-Installations.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Cap, Dome & Acorn Nuts](https://engineeringhardware.com/fastener-products/nuts/cap-dome-acorn-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/heavy-duty-hex-cap-nuts-for-secure-handrail-installations.md) Model no. **CN01** | **US$0.0024**1,000–4,999 pieces | **US$0.0012**5,000+ pieces | | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Color:** Black or Silver Color(with Polished) - **Threaded:** Unc or Metric - **Material:** Stainless Steel 316 (A4) or 304 (A2) - **Thread Direction:** Right or Left Thread Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Heavy-Duty%20Hex%20Cap%20Nuts%20for%20Secure%20Handrail%20Installations%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fheavy-duty-hex-cap-nuts-for-secure-handrail-installations%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 | | --- | --- | | Color | Black or Silver Color(with Polished) | | Threaded | Unc or Metric | | Model NO. | CN01 | | Fastener Type | Hex Nuts | | Machining Method | CNC Machining | | Material | Stainless Steel 316 (A4) or 304 (A2) | | Type | Round Head | | Standstar | DIN, ANSI, GB | | Thread Direction | Right or Left Thread | | Process | Cold Heading | | Free Sample | Yes | | Transport Package | Cartons or Pallets | | Specification | 1/4-20" 5/16-18", M6, M8 | | Origin | Shenzhen China | | HS Code | 7326909000 | | Production Capacity | 5000000 | | Category | [Cap, Dome & Acorn Nuts](https://engineeringhardware.com/fastener-products/nuts/cap-dome-acorn-nuts/) | ## Description Heavy-Duty Hex Cap Nuts for Secure Handrail Installations is part of our cap, dome & acorn nuts range (Nuts). ### Key details - **Type:** Round Head - **Material:** Stainless Steel 316 (A4) or 304 (A2) - **Color:** Black or Silver Color(with Polished) - **Threaded:** Unc or Metric - **Fastener Type:** Hex Nuts - **Machining Method:** CNC Machining - **Standstar:** DIN, ANSI, GB - **Thread Direction:** Right or Left Thread Available configurations include color, threaded, material and thread direction. 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$0.0012 – 0.0024 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 Heavy-Duty Hex Cap Nuts for Secure Handrail Installations? The listed minimum order is 1,000 pieces, at US$0.0012 – 0.0024 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### How does the price change with quantity? Volume pricing: US$0.0024 for 1,000–4,999 pieces; US$0.0012 for 5,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Heavy-Duty Hex Cap Nuts for Secure Handrail Installations? Type: Round Head; Material: Stainless Steel 316 (A4) or 304 (A2); Color: Black or Silver Color(with Polished); Threaded: Unc or Metric; Fastener Type: Hex Nuts; Machining Method: CNC Machining. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include color, threaded, material and thread direction. 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 cap, dome & acorn nuts are available? The Cap, Dome & Acorn Nuts category lists 846 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/cap-dome-acorn-nuts/](https://engineeringhardware.com/fastener-products/nuts/cap-dome-acorn-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 Cap, Dome & Acorn Nuts →](https://engineeringhardware.com/fastener-products/nuts/cap-dome-acorn-nuts/) [![GB/T 923-1988 316 Stainless Steel Acorn Nuts](https://img.engineeringhardware.com/GB-T-923-1988-316-Stainless-Steel-Acorn-Nuts.webp)](https://engineeringhardware.com/product/gb-t-923-1988-316-stainless-steel-acorn-nuts/) Cap, Dome & Acorn Nuts ### [GB/T 923-1988 316 Stainless Steel Acorn Nuts](https://engineeringhardware.com/product/gb-t-923-1988-316-stainless-steel-acorn-nuts/) Round Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.36 – 2.40**MOQ 100 pieces [![Knurled Dome Stainless Steel Cap Nuts with Hex Flange for Panel Assembly](https://img.engineeringhardware.com/Knurled-Dome-Stainless-Steel-Cap-Nuts-with-Hex-Flange-for-Panel-Assembly.webp)](https://engineeringhardware.com/product/knurled-dome-stainless-steel-cap-nuts-with-hex-flange-for-panel-assembly/) Cap, Dome 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Head](https://engineeringhardware.com/product/stainless-steel-acorn-cap-nut-din-1587-dome-head/) Hexagon Head · DIN, GB, Standard, Nonstandard **US$0.06**MOQ 1,000 pieces **US$0.0012 – 0.0024**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%20Heavy-Duty%20Hex%20Cap%20Nuts%20for%20Secure%20Handrail%20Installations%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fheavy-duty-hex-cap-nuts-for-secure-handrail-installations%2F)