--- title: "Durable Aging-Resistant Washers and Fasteners for Industrial Use" description: "Durable Aging-Resistant Washers and Fasteners for Industrial Use — Flat & Other Precision Washers. Standard: GB, Grade: 6.8. MOQ 100 pieces, US$0.48 – 4.80." url: https://engineeringhardware.com/product/durable-aging-resistant-washers-and-fasteners-for-industrial-use/ source: Engineering Hardware & Fasteners --- # Durable Aging-Resistant Washers and Fasteners for Industrial Use [![Durable Aging-Resistant Washers and Fasteners for Industrial Use](https://img.engineeringhardware.com/Durable-Aging-Resistant-Washers-and-Fasteners-for-Industrial-Use.webp)](https://img.engineeringhardware.com/Durable-Aging-Resistant-Washers-and-Fasteners-for-Industrial-Use.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/durable-aging-resistant-washers-and-fasteners-for-industrial-use.md) Model no. **Customize** US$0.48 – 4.80 / piece MOQ 100 pieces · Final price confirmed in your quote - **Material:** Carbon Fiber Composite Material - **Head Style:** Hexagonal - **Standard:** GB - **Grade:** 6.8 - **Finish:** Black - **Package Size:** 10.00cm * 15.00cm * 1.00cm - **Flexural Strength (MPa):** 100-150 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Durable%20Aging-Resistant%20Washers%20and%20Fasteners%20for%20Industrial%20Use%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fdurable-aging-resistant-washers-and-fasteners-for-industrial-use%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 Fiber Composite Material | | Type | Hexagon Head | | Model NO. | Customize | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | GB | | Grade | 6.8 | | Application | Machinery, Chemical Industry | | Finish | Black | | Certification | ISO9001 | | Toughness | High | | Wear Resistance | High | | Acid and Alkali Resistance | High | | Transport Package | Standard Wooden Case | | Specification | Customize | | Origin | Shandong, China | | HS Code | 3801909010 | | Production Capacity | 5000000/Year | | Package Size | 10.00cm * 15.00cm * 1.00cm | | Package Gross Weight | 0.100kg | | Density (g/cm³) | 1.3-1.5 | | Flexural Strength (MPa) | 100-150 | | Thermal Conductivity (W/(m·K)) | 30-50 | | Electrical Resistivity | 15-30 μΩ·m | | Category | [Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) | ## Technical parameters | material | Carbon-carbon composite material | certification | ISO | | --- | --- | --- | --- | | shape | Customize | color | black | | shapefire resistance | < 1650 | application | suitable for the thermal fields of various high-temperature furnaces | | advantage | high-temperature resistance / corrosion resistance | packaging and transportation | standard wooden case | | specification | customize | HS Code | | | country of origin | Shandong, China | production capacity | 100000 pieces/month | ## Description Durable Aging-Resistant Washers and Fasteners for Industrial Use is part of our flat & other precision washers range (Washers). ### Key details - **Type:** Hexagon Head - **Standard:** GB - **Material:** Carbon Fiber Composite Material - **Grade:** 6.8 - **Head Style:** Hexagonal - **Finish:** Black - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$0.48 – 4.80 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 Durable Aging-Resistant Washers and Fasteners for Industrial Use? The listed minimum order is 100 pieces, at US$0.48 – 4.80 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 Durable Aging-Resistant Washers and Fasteners for Industrial Use? Type: Hexagon Head; Standard: GB; Material: Carbon Fiber Composite Material; Grade: 6.8; Head Style: Hexagonal; Finish: Black. 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, grade and 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 flat & other precision washers are available? The Flat & Other Precision Washers category lists 8,437 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) 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 Flat & Other Precision Washers →](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) [![Sand Log Spiral Washing Plant Sand Washer for Limonite with High Quality](https://img.engineeringhardware.com/Sand-Log-Spiral-Washing-Plant-Sand-Washer-for-Limonite-with-High-Quality.webp)](https://engineeringhardware.com/product/sand-log-spiral-washing-plant-sand-washer-for-limonite-with-high-quality/) Flat & Other Precision Washers ### [Sand Log Spiral Washing Plant Sand Washer for Limonite with High Quality](https://engineeringhardware.com/product/sand-log-spiral-washing-plant-sand-washer-for-limonite-with-high-quality/) Spiral Sand Washer · Cast Steel **US$6,000 – 60,000**MOQ 1 piece [![Round Grommets and Washer Metal Eyelet for 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