--- title: "Premium Grade 8 Serrated Hex Lock Nut for Secure Fastening" description: "Premium Grade 8 Serrated Hex Lock Nut for Secure Fastening — Nylon-Insert & All-Metal Lock Nuts. MOQ 1,000 pieces, US$0.0001 – 0.0002." url: https://engineeringhardware.com/product/premium-grade-8-serrated-hex-lock-nut-for-secure-fastening/ source: Engineering Hardware & Fasteners --- # Premium Grade 8 Serrated Hex Lock Nut for Secure Fastening [![Premium Grade 8 Serrated Hex Lock Nut for Secure Fastening](https://img.engineeringhardware.com/Premium-Grade-8-Serrated-Hex-Lock-Nut-for-Secure-Fastening.webp)](https://img.engineeringhardware.com/Premium-Grade-8-Serrated-Hex-Lock-Nut-for-Secure-Fastening.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/premium-grade-8-serrated-hex-lock-nut-for-secure-fastening.md) Model no. **Flange Nut** US$0.0001 – 0.0002 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Grade:** 8.8 - **Color:** Zinc(Yellow, White, Blue, Black) - **Thread:** Fine Thread/Coarse Thread - **Material:** Carbon Steel Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Grade%208%20Serrated%20Hex%20Lock%20Nut%20for%20Secure%20Fastening%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-grade-8-serrated-hex-lock-nut-for-secure-fastening%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 | Model NO. | Flange Nut | | --- | --- | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 8.8 | | Delivery Time | 7-30 Days | | Color | Zinc(Yellow, White, Blue, Black) | | Thread | Fine Thread/Coarse Thread | | OEM | as The Drawing | | Transport Package | Bag+Carton+Pallet | | Specification | 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 | | Origin | Hebei China | | HS Code | 731816 | | Production Capacity | 100000ton/Year | | Customization | Available | | Material | Carbon Steel | | Type | Hexagon Head | | Stainless Steel | SS201, SS304, SS316/Steel, Carbon steel | | APPLICATION | From machinery and automotive repairs to DIY projects around the house, our serrated lock nut offers unparalleled versatility. Compatible with a wide range of stainless steel hardware, they seamlessly integrate into various applications, offering unmatched flexibility and adaptability for your diverse needs. | | Accepted Delivery Terms | FOB,CFR,CIF,EXW,FCA,DDU,Express Delivery; | | Accepted Payment Currency | USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF; | | Language Spoken | English,Chinese,Bengalese,Korean,Japanese,Arabic,French,Russian,,Spanish, | | Category | [Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) | ## Technical parameters | Standard: | DIN,ASTM/ANSI, JIS, BSW | | --- | --- | | Material | Stainless Steel: SS201, SS304, SS316/Steel, Carbon steel | | Finishing | Plain Finish, Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,Geomet,Dacroment,Anodization,Nickel plated,Zinc-Nickel plated | | Delivery | within 7-30 days after confirm the order | | Packing | 1.25kgs per bag 2.25kgs per bag/carton with pallet | | Samples | Free Samples for standard fastener | | OEM/ODM | We accept OEM/ODM | | Payment term | 30% TT in advance and 70% TT before shipment | ## Description Premium Grade 8 Serrated Hex Lock Nut for Secure Fastening is part of our nylon-insert & all-metal lock nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Carbon Steel - **Grade:** 8.8 - **Thread:** Fine Thread/Coarse Thread - **Head Style:** Hexagonal - **Connection:** Common Bolt - **Color:** Zinc(Yellow, White, Blue, Black) Available configurations include head style, standard, grade, color and thread. 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$0.0001 – 0.0002 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 Premium Grade 8 Serrated Hex Lock Nut for Secure Fastening? The listed minimum order is 1,000 pieces, at US$0.0001 – 0.0002 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 Premium Grade 8 Serrated Hex Lock Nut for Secure Fastening? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: 8.8; Thread: Fine Thread/Coarse Thread; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head style, standard, grade, color and thread. 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/) [![Factory Price 304 Stainless Steel M3-M8 Kep Lock Nut Keps Nuts with External Tooth Washer K-Lock Nuts](https://img.engineeringhardware.com/Factory-Price-304-Stainless-Steel-M3-M8-Kep-Lock-Nut-Keps-Nuts-with-External-Tooth-Washer-K-Lock-Nuts.webp)](https://engineeringhardware.com/product/factory-price-304-stainless-steel-m3-m8-kep-lock-nut-keps-nuts-with-external-tooth/) Nylon-Insert & All-Metal Lock Nuts ### [Factory Price 304 Stainless Steel M3-M8 Kep Lock Nut Keps Nuts with External Tooth Washer K-Lock Nuts](https://engineeringhardware.com/product/factory-price-304-stainless-steel-m3-m8-kep-lock-nut-keps-nuts-with-external-tooth/) Hexagon Head · DIN, ANSI, GB, JIS, GOST **US$0.072 – 0.20**MOQ 5,000 pieces [![Prevailing Torque Type DIN985 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