--- title: "Hot Melt Insert Nuts Theaded Insert Nuts M3 Brass Heating Molding Copper Double Knurled Injection Brass Nut" description: "Hot Melt Insert Nuts Theaded Insert Nuts M3 Brass Heating Molding Copper Double Knurled… — Heat-Set, Knurled & Molded-In Inserts." url: https://engineeringhardware.com/product/hot-melt-insert-nuts-theaded-insert-nuts-m3-brass-heating-molding-copper-double/ source: Engineering Hardware & Fasteners --- # Hot Melt Insert Nuts Theaded Insert Nuts M3 Brass Heating Molding Copper Double Knurled Injection Brass Nut [![Hot Melt Insert Nuts Theaded Insert Nuts M3 Brass Heating Molding Copper Double Knurled Injection Brass Nut](https://img.engineeringhardware.com/Hot-Melt-Insert-Nuts-Theaded-Insert-Nuts-M3-Brass-Heating-Molding-Copper-Double-Knurled-Injection-Brass-Nut.webp)](https://img.engineeringhardware.com/Hot-Melt-Insert-Nuts-Theaded-Insert-Nuts-M3-Brass-Heating-Molding-Copper-Double-Knurled-Injection-Brass-Nut.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/hot-melt-insert-nuts-theaded-insert-nuts-m3-brass-heating-molding-copper-double.md) Model no. **CG440** | **US$0.012**10,000–24,999 pieces | **US$0.0108**25,000–49,999 pieces | **US$0.0096**50,000–999,999,999,999 pieces | **US$0.0036**1,000,000,000,000+ pieces | | --- | --- | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Brass - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Grade:** 4.8-12.9 - **Diameter Range:** From M0.8-M24mm, Length Range: From 1.0mm-200mm, we also produce according to customer's requirements. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hot%20Melt%20Insert%20Nuts%20Theaded%20Insert%20Nuts%20M3%20Brass%20Heating%20Molding%20Copper%20Double%20Knurled%20Injection%20Brass%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhot-melt-insert-nuts-theaded-insert-nuts-m3-brass-heating-molding-copper-double%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 | Brass | | Type | Round Head | | Model NO. | CG440 | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 4.8-12.9 | | Transport Package | 2000PCS/Bag and 20000PCS/CTN | | Specification | M2-M100 | | Origin | Anhui | | Production Capacity | 50000000PCS/Month | | Mild Carbon Steel | HRC:25-60,HV450-700; Alloy Steel:HRC:32-39(10.9 grade),HRC:39-44(12.9grade) | | Diameter Range | From M0.8-M24mm, Length Range: From 1.0mm-200mm, we also produce according to customer's requirements. | | GB/T19001-2008/ISO9001 | 2008 It can match ROHS,SGS and environment protection | | Application Range | Precision turning parts are widely used in the Chassis Cabinets,Sheet metal,Compers, Household | | Category | [Heat-Set, Knurled & Molded-In Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/) | ## Technical parameters | Aailable Material | 1.Carbon steel: C1006,C1008,C1010,C1018A,C1022,C1035K,C1045K.etc | | --- | --- | | 2.Stainless steel: SS301 SS302,SS303,SS304,SS316,SS410,SS416,SS420,SS430,etc | | | 3.Steel:C15,C35,C45(K1045)S45C,C46(K1046),C20,etc | | | 4.Copper:Brass(C3602,C3604,H59,H62,H65,H68,H70,H90,etc. Phosphor bronze,Silicon bronze,Red copper,Beryllium copper and Copper etc. | | | 5.Iron: 12L13,12L14,12L15 etc. | | | 6.Aluminum:AL6061,AL6063,7075 etc. | | | 7.Titanium or titanium alloy: TAD,TA1-TA8, TB2,TC1-TC10 etc. | | | 8. Silver or silver alloy:AgCu3,agCu7.5,AgSn3-5,AgPb0.4-0.7,AgPd3-5,AgNi10etc. | | | 9.Alloy steel:SCM435,10B21,40Cr etc. | | | Surface Finishing | Zinc,Nickel,Bronze,Copper,Oxidation Black,anodized,polishing, Matte,Passivation,Tin,Dacromet,Gold,Chrome,Silver,Zinc-nickel alloy plated etc. | | Heat Treatment | Tempering,Spheroidizing,Quenching,Spheroidizing annealing etc. | | Hardness | Mild Carbon Steel: HRC:25-60,HV450-700; Alloy Steel:HRC:32-39(10.9 grade),HRC:39-44(12.9grade) | | Specification Range | Diameter Range: From M0.8-M24mm, Length Range: From 1.0mm-200mm, we also produce according to customer's requirements. | | Manufacture Process | Raw material,Cold heading,Thread Rolling,Heat treatment , Finish ,full inspection.pakaging,shipping | | Sample Availablity | Within 7 days free of charge if there is available tool for us . | | Lead Time | 3~15 days after order confirmed, it will based on the detailed order quantity | | Carton size | 260*180*150mm. as your requirements | | Warranty | We confirm our goods will satisfy your request of 100% | | Certificate | GB/T19001-2008/ISO9001:2008 It can match ROHS,SGS and environment protection | | After Sales Service | We will follow up the goods for every customer and help solve problem after sales | | OEM/ODM | We can make the goods according to customers' drawings or samples | | Application | Application Range:Precision turning parts are widely used in the Chassis Cabinets,Sheet metal,Compers, Household appliances(Refrigerators,Televisions,Oven,etc.) Plastic sheel,Automobile,Sounder,etc industries. | ## Description Hot Melt Insert Nuts Theaded Insert Nuts M3 Brass Heating Molding Copper Double Knurled Injection Brass Nut is part of our heat-set, knurled & molded-in inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Brass - **Grade:** 4.8-12.9 - **Head Style:** Round - **Connection:** Common Bolt - **GB/T19001-2008/ISO9001:** 2008 It can match ROHS,SGS and environment protection Available configurations include material, head style, standard, grade and diameter range. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.0036 – 0.012 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 Hot Melt Insert Nuts Theaded Insert Nuts M3 Brass Heating Molding Copper Double Knurled Injection Brass Nut? The listed minimum order is 10,000 pieces, at US$0.0036 – 0.012 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$0.012 for 10,000–24,999 pieces; US$0.0108 for 25,000–49,999 pieces; US$0.0096 for 50,000–999,999,999,999 pieces; US$0.0036 for 1,000,000,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Hot Melt Insert Nuts Theaded Insert Nuts M3 Brass Heating Molding Copper Double Knurled Injection Brass Nut? Type: Round Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Brass; Grade: 4.8-12.9; 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 diameter range. 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/) [![High Quality Customized Brass Knurled Nut Copper Insert Nuts](https://img.engineeringhardware.com/High-Quality-Customized-Brass-Knurled-Nut-Copper-Insert-Nuts-2.webp)](https://engineeringhardware.com/product/high-quality-customized-brass-knurled-nut-copper-insert-nuts-2/) Heat-Set, Knurled & Molded-In Inserts ### [High Quality Customized Brass Knurled Nut Copper Insert Nuts](https://engineeringhardware.com/product/high-quality-customized-brass-knurled-nut-copper-insert-nuts-2/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.06 – 0.12**MOQ 10,000 pieces [![Ftc-B Molded-in Threaded Inserts -Blind 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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%20Hot%20Melt%20Insert%20Nuts%20Theaded%20Insert%20Nuts%20M3%20Brass%20Heating%20Molding%20Copper%20Double%20Knurled%20Injection%20Brass%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhot-melt-insert-nuts-theaded-insert-nuts-m3-brass-heating-molding-copper-double%2F)