--- title: "M8*18mm Carbon Steel Flat Head Round Body Blind Threaded Insert Knurled Rivet Nuts" description: "M8*18mm Carbon Steel Flat Head Round Body Blind Threaded Insert Knurled Rivet Nuts — Rivet Nuts & Threaded Rivet Inserts. MOQ 50,000 pieces, US$0.012 – 0.036." url: https://engineeringhardware.com/product/m8-18mm-carbon-steel-flat-head-round-body-blind-threaded-insert-knurled-rivet-nuts/ source: Engineering Hardware & Fasteners --- # M8*18mm Carbon Steel Flat Head Round Body Blind Threaded Insert Knurled Rivet Nuts [![M8*18mm Carbon Steel Flat Head Round Body Blind Threaded Insert Knurled Rivet Nuts](https://img.engineeringhardware.com/M8-18mm-Carbon-Steel-Flat-Head-Round-Body-Blind-Threaded-Insert-Knurled-Rivet-Nuts.webp)](https://img.engineeringhardware.com/M8-18mm-Carbon-Steel-Flat-Head-Round-Body-Blind-Threaded-Insert-Knurled-Rivet-Nuts.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Inserts & Clinch Fasteners › Rivet Nuts & Threaded Rivet Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/rivet-nuts-threaded-rivet-inserts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/m8-18mm-carbon-steel-flat-head-round-body-blind-threaded-insert-knurled-rivet-nuts.md) Model no. **BLIND RIVET NUTS** | **US$0.036**50,000–499,999 pieces | **US$0.012**500,000+ pieces | | --- | --- | MOQ 50,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Round - **Standard:** DIN, GB - **Grade:** 8.8 - **Finished:** Zinc Plated Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M8%2A18mm%20Carbon%20Steel%20Flat%20Head%20Round%20Body%20Blind%20Threaded%20Insert%20Knurled%20Rivet%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm8-18mm-carbon-steel-flat-head-round-body-blind-threaded-insert-knurled-rivet-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 | Carbon Steel | | Type | Flat Head | | Model NO. | BLIND RIVET NUTS | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, GB | | Grade | 8.8 | | Samples | Acceptable | | Body | Round Body | | Finished | Zinc Plated | | Ome | Yes | | Sample | Free | | MOQ | 5000 | | Transport Package | Bulk Into Carton, 48 Carton Per Pallet | | Specification | M3-M12 | | Origin | Jiangsu, China | | HS Code | 73181600 | | Production Capacity | 1000tons/Month | | Advantage | 1.The splined body provides increased torque-to-turn resistance over conventional non-splined inserts. | | Category | [Rivet Nuts & Threaded Rivet Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/rivet-nuts-threaded-rivet-inserts/) | ## Technical parameters | Material | Stainless Steel, Carbon Steel, Aluminum and Brass | | --- | --- | | Finishing | Black oxide,Phosphate,Zinc plated,Back painted,Hot Galvanized or as your requirement | | Head Type | Flat Head, countersunk Head, Reduce Head, Small Head, Round head | | Body Type | Round Body, Knurled Body, Semi-Hex body, Full Hex Body | | Thread | UNC,UNF,Metric thread | | Thread Pitch | 0.8mm, 1.0mm, 1.25mm, 1.5mm, 1.75mm or as your request(right/left threaded) | | Payment Terms | 30% deposit,balance payment before shipment | | Others | We can make products strictly according to client's requirement.(samples and drawing) | | NAME | Large Head Rivet Nut Yellow Zinc Ribbed Rivet Nut Thread Inserts | | --- | --- | | HEAD | Flat head,Reduce head,Small head, Countersunk head | | BODY TYPE | Round Body, Knurled Body, Semi-Hex body, Full Hex Body | | FINISH | Black oxide,Phosphate,Zinc plated,Back painted,Hot Galvanized or as your requirement | ## Description M8*18mm Carbon Steel Flat Head Round Body Blind Threaded Insert Knurled Rivet Nuts is part of our rivet nuts & threaded rivet inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Flat Head - **Standard:** DIN, GB - **Material:** Carbon Steel - **Grade:** 8.8 - **Head Style:** Round - **Connection:** Common Bolt - **Body:** Round Body - **Finished:** Zinc Plated Available configurations include material, head style, standard, grade and finished. 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$0.012 – 0.036 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 M8*18mm Carbon Steel Flat Head Round Body Blind Threaded Insert Knurled Rivet Nuts? The listed minimum order is 50,000 pieces, at US$0.012 – 0.036 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$0.036 for 50,000–499,999 pieces; US$0.012 for 500,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of M8*18mm Carbon Steel Flat Head Round Body Blind Threaded Insert Knurled Rivet Nuts? Type: Flat Head; Standard: DIN, GB; Material: Carbon Steel; Grade: 8.8; Head Style: Round; 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, grade and finished. 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 rivet nuts & threaded rivet inserts are available? The Rivet Nuts & Threaded Rivet Inserts category lists 1,850 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/rivet-nuts-threaded-rivet-inserts/](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/rivet-nuts-threaded-rivet-inserts/) 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 Rivet Nuts & Threaded Rivet Inserts →](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/rivet-nuts-threaded-rivet-inserts/) [![Manufacturer Competitive Price Flat Head & Reduce Head Half-Hex Body Rivet Nut](https://img.engineeringhardware.com/Manufacturer-Competitive-Price-Flat-Head-Reduce-Head-Half-Hex-Body-Rivet-Nut.webp)](https://engineeringhardware.com/product/manufacturer-competitive-price-flat-head-reduce-head-half-hex-body-rivet-nut/) Rivet Nuts & Threaded Rivet Inserts ### [Manufacturer Competitive Price Flat Head & Reduce Head Half-Hex Body Rivet Nut](https://engineeringhardware.com/product/manufacturer-competitive-price-flat-head-reduce-head-half-hex-body-rivet-nut/) Flat Head · DIN **US$0.0108 – 1.20**MOQ 10,000 pieces [![Closed Open End Hex Flat Head Hexagonal Steel M8 Rivet 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quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M8%2A18mm%20Carbon%20Steel%20Flat%20Head%20Round%20Body%20Blind%20Threaded%20Insert%20Knurled%20Rivet%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm8-18mm-carbon-steel-flat-head-round-body-blind-threaded-insert-knurled-rivet-nuts%2F)