--- title: "C3604 Brass Nut with Internal and External Thread High Quality Thread Inserts" description: "C3604 Brass Nut with Internal and External Thread High Quality Thread Inserts — Other Machine & Custom Screws. MOQ 300 pieces, US$1.08 – 1.10." url: https://engineeringhardware.com/product/c3604-brass-nut-with-internal-and-external-thread-high-quality-thread-inserts/ source: Engineering Hardware & Fasteners --- # C3604 Brass Nut with Internal and External Thread High Quality Thread Inserts [![C3604 Brass Nut with Internal and External Thread High Quality Thread Inserts](https://img.engineeringhardware.com/C3604-Brass-Nut-with-Internal-and-External-Thread-High-Quality-Thread-Inserts.webp)](https://img.engineeringhardware.com/C3604-Brass-Nut-with-Internal-and-External-Thread-High-Quality-Thread-Inserts.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Other Machine & Custom Screws](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/c3604-brass-nut-with-internal-and-external-thread-high-quality-thread-inserts.md) Model no. **M2-M100** | **US$1.10**300–499 pieces | **US$1.08**500+ pieces | | --- | --- | MOQ 300 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Surface Finishing:** Standard - **Customized:** Customized - **Thread Accuracy:** 6h - **Nominal Length:** 1d-3D - **Package Size:** 14.50cm * 8.50cm * 10.50cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20C3604%20Brass%20Nut%20with%20Internal%20and%20External%20Thread%20High%20Quality%20Thread%20Inserts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fc3604-brass-nut-with-internal-and-external-thread-high-quality-thread-inserts%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 | Stainless Steel | | Type | Screw Lock | | Model NO. | M2-M100 | | Usage | Building, Machinery, Medical | | Rotation Direction | Standard | | Surface Finishing | Standard | | Certification | ISO, RoHS | | Customized | Customized | | MOQ | 100 PCS | | Thread Accuracy | 6h | | Name | Wire Thread Insert | | Nominal Length | 1d-3D | | Transport Package | Carton Box | | Specification | M4-M16 | | Origin | China | | HS Code | 7318190000 | | Production Capacity | 50000pieces | | Package Size | 14.50cm * 8.50cm * 10.50cm | | Package Gross Weight | 0.045kg | | Accepted Delivery Terms | FOB,EXW,Express Delivery; | | Accepted Payment Currency | USD; | | Accepted Payment Type | T/T,L/C,MoneyGram,Western Union; | | Language Spoken | English,Chinese | | Category | [Other Machine & Custom Screws](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) | ## Technical parameters | Specification(Light type) | Inner diameter B | Inner thread pitch | Length L | Outer diameter A | Outer thread pitch P | Installation bottom hole | Drilling depth | | --- | --- | --- | --- | --- | --- | --- | --- | | M2*0.4-L3-M4*0.7 | M2 | 0.4 | 3 | M4 | 0.7 | 3.4 | 4 | | M2.5*0.45-L3.8-M4.5*0.75 | M2 | 0.45 | 3.8 | M4.5 | 0.75 | 3.9 | 5 | | M3*0.45-L4.25-M5*0.8 | M3 | 0.5 | 4.25 | M5 | 0.8 | 4.4 | 5.5 | | M4*0.7-L5.25-M6*0.75 | M4 | 0.7 | 5.25 | M6 | 0.75 | 5.5 | 6.5 | | M5*0.8-L8-M8*1.25 | M5 | 0.8 | 8 | M8 | 1.25 | 6.9 | 9.5 | | M6*1.0-L10-M12*1.25 | M6 | 1 | 10 | M10 | 1.25 | 8.9 | 11.5 | | M8*1.25-L12-M12*1.25 | M8 | 1.25 | 12 | M12 | 1.25 | 10.9 | 13.5 | | M10*1.5-L14-M14*1.5 | M10 | 1.5 | 14 | M14 | 1.5 | 12.8 | 15.5 | | M10*1.25-L14-M14*1.5 | M10 | 1.25 | 14 | M14 | 1.5 | 12.80 | 15.5 | | M12*1.75-L16-M16*1.5 | M12 | 1.75 | 16 | M16 | 1.5 | 14.75 | 17.5 | | M12*1.5-L16-M16*1.5 | M12 | 1.5 | 16 | M16 | 1.5 | 14.75 | 17.5 | | M12*1.25-L16-M16*1.5 | M12 | 1.25 | 16 | M16 | 1.5 | 14.75 | 17.5 | ## Description C3604 Brass Nut with Internal and External Thread High Quality Thread Inserts is part of our other machine & custom screws range (Screws). ### Key details - **Type:** Screw Lock - **Material:** Stainless Steel - **Certification:** ISO, RoHS - **Usage:** Building, Machinery, Medical - **Rotation Direction:** Standard - **Surface Finishing:** Standard - **Thread Accuracy:** 6h - **Name:** Wire Thread Insert Available configurations include material, surface finishing, customized, thread accuracy and nominal length. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 300 pieces at US$1.08 – 1.10 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 C3604 Brass Nut with Internal and External Thread High Quality Thread Inserts? The listed minimum order is 300 pieces, at US$1.08 – 1.10 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$1.10 for 300–499 pieces; US$1.08 for 500+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of C3604 Brass Nut with Internal and External Thread High Quality Thread Inserts? Type: Screw Lock; Material: Stainless Steel; Certification: ISO, RoHS; Usage: Building, Machinery, Medical; Rotation Direction: Standard; Surface Finishing: Standard. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, surface finishing, customized, thread accuracy and nominal length. 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 other machine & custom screws are available? The Other Machine & Custom Screws category lists 14,058 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) 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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Other Machine & Custom Screws →](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) [![Wholesale Import From China Nail Products, 0/15° Smooth/Ring/Screw/Twisted/ Shank Bright, Eg, HDG, High Carbon Steel Nail Plastic Sheet Collated Coil Nail,](https://img.engineeringhardware.com/Wholesale-Import-From-China-Nail-Products-0-15-Smooth-Ring-Screw-Twisted-Shank-Bright-Eg-HDG-High-Carbon-Steel-Nail-Plastic-Sheet-Collated-Coil-Nail.webp)](https://engineeringhardware.com/product/wholesale-import-from-china-nail-products-0-15-smooth-ring-screw-twisted-shank/) Other Machine & Custom Screws ### [Wholesale Import From China Nail Products, 0/15° Smooth/Ring/Screw/Twisted/ Shank Bright, Eg, HDG, High Carbon Steel Nail Plastic Sheet Collated Coil 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