--- title: "M5 Carbon Steel Zinc Knurled Flat Head Threaded Insert Nut Black" description: "M5 Carbon Steel Zinc Knurled Flat Head Threaded Insert Nut Black — Heat-Set, Knurled & Molded-In Inserts. MOQ 1,000 pieces, US$0.012 – 0.36." url: https://engineeringhardware.com/product/m5-carbon-steel-zinc-knurled-flat-head-threaded-insert-nut-black/ source: Engineering Hardware & Fasteners --- # M5 Carbon Steel Zinc Knurled Flat Head Threaded Insert Nut Black [![M5 Carbon Steel Zinc Knurled Flat Head Threaded Insert Nut Black](https://img.engineeringhardware.com/M5-Carbon-Steel-Zinc-Knurled-Flat-Head-Threaded-Insert-Nut-Black.webp)](https://img.engineeringhardware.com/M5-Carbon-Steel-Zinc-Knurled-Flat-Head-Threaded-Insert-Nut-Black.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Inserts & Clinch Fasteners › Heat-Set, Knurled & Molded-In Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/m5-carbon-steel-zinc-knurled-flat-head-threaded-insert-nut-black.md) Model no. **Fasto-Nut** US$0.012 – 0.36 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN, ANSI, GB, GOST - **Grade:** 6.8 - **Color:** as Client Need - **Surface:** Plain,Zinc Plated,Copper Plating,Phosphating, etc - **Thread Size:** 6-32-M8 - **Drill Bit Size:** 5/16"-12mm - **Body Diameter:** 0.329"-12.6 mm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M5%20Carbon%20Steel%20Zinc%20Knurled%20Flat%20Head%20Threaded%20Insert%20Nut%20Black%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm5-carbon-steel-zinc-knurled-flat-head-threaded-insert-nut-black%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. | Fasto-Nut | | --- | --- | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, GOST | | Grade | 6.8 | | Color | as Client Need | | Surface | Plain,Zinc Plated,Copper Plating,Phosphating, etc | | MOQ | According to Your Size | | Payment Term | Fob,30%Tt in Advance and 70% Tt Before Shipment | | Sample | Available | | Package | Small Box +Outer Carton +Pallets | | Delivery Time | 10-25days | | Keywords1 | Jack Nut, Nut, Fasteners | | Thread Size | 6-32-M8 | | Drill Bit Size | 5/16"-12mm | | Body Diameter | 0.329"-12.6 mm | | Flange Diameter | 0.48"-19.7 mm | | Transport Package | Box / Bulk Packing / Pallet or Customized Packing | | Specification | 0.661"-29mm, etc, according to customer needs | | Origin | Tianjin, China | | HS Code | 73181600 | | Production Capacity | 30000tons/Year | | Package Size | 37.00cm * 26.00cm * 19.50cm | | Package Gross Weight | 25.000kg | | Customization | Available | | Material | High Strength Steel | | Type | Round Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | OUR TEAM | FAQ | | Category | [Heat-Set, Knurled & Molded-In Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/) | ## Technical parameters | Finish | Zinc, Plain ,Hot Dip Galvanized | | --- | --- | | Material | High Strength Steel, Stainless Steel,Carbon Steel,Iron, Aluminum Steel | | Measurement system | Inch, Metric | | Place of Origin | Tianjin,China | | Standard | DIN,ISO,CE | | Size | 0.661"-29mm, etc,according to customer needs | | Color | As client need | | Key Words | Jack Nut, nut, Fasteners | | Packing | Small box packing/bag or carton packing/as customers' request | ## Description M5 Carbon Steel Zinc Knurled Flat Head Threaded Insert Nut Black is part of our heat-set, knurled & molded-in inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, GOST - **Material:** High Strength Steel - **Grade:** 6.8 - **Thread Size:** 6-32-M8 - **Head Style:** Round - **Connection:** Common Bolt - **Color:** as Client Need Available configurations include head style, standard, grade, color and surface. 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$0.012 – 0.36 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 M5 Carbon Steel Zinc Knurled Flat Head Threaded Insert Nut Black? The listed minimum order is 1,000 pieces, at US$0.012 – 0.36 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 M5 Carbon Steel Zinc Knurled Flat Head Threaded Insert Nut Black? Type: Round Head; Standard: DIN, ANSI, GB, GOST; Material: High Strength Steel; Grade: 6.8; Thread Size: 6-32-M8; Head Style: Round. 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 surface. 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 heat-set, knurled & molded-in inserts are available? The Heat-Set, Knurled & Molded-In Inserts category lists 395 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-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 Heat-Set, Knurled & Molded-In Inserts →](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/) [![St5*0.8 Threaded Metal Heat Set Screw Inserts for 3D Printing](https://img.engineeringhardware.com/St5-0-8-Threaded-Metal-Heat-Set-Screw-Inserts-for-3D-Printing.webp)](https://engineeringhardware.com/product/st5-0-8-threaded-metal-heat-set-screw-inserts-for-3d-printing/) Heat-Set, Knurled & Molded-In Inserts ### [St5*0.8 Threaded Metal Heat Set Screw Inserts for 3D Printing](https://engineeringhardware.com/product/st5-0-8-threaded-metal-heat-set-screw-inserts-for-3d-printing/) Common · Stainless Steel **US$0.06 – 0.12**MOQ 1 piece [![304 316 Stainless Steel Knurled Threaded Insert 1/4-20 5/16-18 3/8-16 Long Threaded Knurled Round Thumb 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Nut Expansion Knurled Insert Nut](https://engineeringhardware.com/product/304-stainless-steel-conical-nut-expansion-knurled-insert-nut/) Round Head · DIN, ANSI, GB, JIS, BSW **US$0.12 – 0.60**MOQ 10,000 pieces [![2016 Wholesale China Supplier Brass Knurled Insert Studs Manufacturer](https://img.engineeringhardware.com/2016-Wholesale-China-Supplier-Brass-Knurled-Insert-Studs-Manufacturer.webp)](https://engineeringhardware.com/product/2016-wholesale-china-supplier-brass-knurled-insert-studs-manufacturer/) Heat-Set, Knurled & Molded-In Inserts ### [2016 Wholesale China Supplier Brass Knurled Insert Studs Manufacturer](https://engineeringhardware.com/product/2016-wholesale-china-supplier-brass-knurled-insert-studs-manufacturer/) Brass · A **US$0.012**MOQ 500 pieces **US$0.012 – 0.36**MOQ 1,000 piecesGet a 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