--- title: "Unc 1/4 Automotive Engineer Cover Self-Tapping Threaded Insert" description: "Unc 1/4 Automotive Engineer Cover Self-Tapping Threaded Insert — Thread Repair & Solid Threaded Inserts. MOQ 100 pieces, US$0.17 – 0.18." url: https://engineeringhardware.com/product/unc-1-4-automotive-engineer-cover-self-tapping-threaded-insert/ source: Engineering Hardware & Fasteners --- # Unc 1/4 Automotive Engineer Cover Self-Tapping Threaded Insert [![Unc 1/4 Automotive Engineer Cover Self-Tapping Threaded Insert](https://img.engineeringhardware.com/Unc-1-4-Automotive-Engineer-Cover-Self-Tapping-Threaded-Insert.webp)](https://img.engineeringhardware.com/Unc-1-4-Automotive-Engineer-Cover-Self-Tapping-Threaded-Insert.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Inserts & Clinch Fasteners › Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/unc-1-4-automotive-engineer-cover-self-tapping-threaded-insert.md) Model no. **EA-UNC** | **US$0.18**100–999 pieces | **US$0.17**1,000+ pieces | | --- | --- | MOQ 100 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Surface Finishing:** Nickel Plated - **Customized:** Non-Customized - **Thread Accuracy:** 6h - **Nominal Length:** 1d-3D - **Thread Type:** Fine/Coarse - **Common Used Thread:** Metric Thread Sizes - **Other Common Used Thread:** DIN8140 Sizes Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Unc%201%2F4%20Automotive%20Engineer%20Cover%20Self-Tapping%20Threaded%20Insert%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Func-1-4-automotive-engineer-cover-self-tapping-threaded-insert%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 | Common | | Model NO. | EA-UNC | | Usage | Building, Machinery, Medical, Rocket, Shipping, Chemical, High Speed Train | | Rotation Direction | Right Rotation | | Surface Finishing | Nickel Plated | | Certification | ISO, RoHS | | Customized | Non-Customized | | Thread Accuracy | 6h | | Nominal Length | 1d-3D | | Application | Aerospace, Electronics, New Energy Cars | | Thread Type | Fine/Coarse | | Sample | Available | | Payment Type | T/T | | Common Used Thread | Metric Thread Sizes | | Other Common Used Thread | DIN8140 Sizes | | Other Name | Tanged Thread Inserts | | Transport Package | Plastic Bags+Carton+Pallet | | Specification | 500pcs/bag | | Origin | China | | HS Code | 7318190000 | | Production Capacity | 500000PCS/Week | | ISO 9001 | 2015; SGS;ROSH | | Package | Usually finished products will be put into plastic bags and outer with carton cases. | | Delivery time | Stocked goods can be delivered out the same day we received the order. | | https | //eliteaviation.en.made-in-china.com/ | | Category | [Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) | ## Technical parameters | Product name | Stainless steel 302/307/308 style self tapping threaded inserts | | | --- | --- | --- | | Material | Stainless steel bars ,Customer designed | | | Surface treatment | Yellow color surface; Cadmium plated;Silver platedTin plated;Dry film lubrication treatment;According to customer requirements | | | Products number | Metric size | M1.4~M60 | | | Inch size | 1-64~11/2"-6 | | | | 4-48~11/2"-12 | | Standard type | MS21209/Din8140/other | | | Threaded size | Metric,Inc UNC, UNF | | | Length | 1D,1.5D,2D,2.5D,3D | | | Certificate | ISO 9001:2015; SGS;ROSH | | | Function | Connection,Fastening and assemble | | | Reliability test | Mechanical test, hardness test. Salt spray endurance test | | | Range of application | Electronic computers, plastic products, cabinet, Sheet metal, Mining, Chemical,Medical devices | | | Delivery time | Usually within 3-5 days if we have materials in stock. | | ## Description Unc 1/4 Automotive Engineer Cover Self-Tapping Threaded Insert is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Common - **Material:** Stainless Steel - **Application:** Aerospace, Electronics, New Energy Cars - **Certification:** ISO, RoHS - **Rotation Direction:** Right Rotation - **Surface Finishing:** Nickel Plated - **Thread Accuracy:** 6h - **Nominal Length:** 1d-3D 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 100 pieces at US$0.17 – 0.18 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 Unc 1/4 Automotive Engineer Cover Self-Tapping Threaded Insert? The listed minimum order is 100 pieces, at US$0.17 – 0.18 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$0.18 for 100–999 pieces; US$0.17 for 1,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Unc 1/4 Automotive Engineer Cover Self-Tapping Threaded Insert? Type: Common; Material: Stainless Steel; Application: Aerospace, Electronics, New Energy Cars; Certification: ISO, RoHS; Rotation Direction: Right Rotation; Surface Finishing: Nickel Plated. 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 thread repair & solid threaded inserts are available? The Thread Repair & Solid Threaded Inserts category lists 961 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-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 Thread Repair & Solid Threaded Inserts →](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) [![Made in China Zinc Alloy Furniture Threaded Insert Nut with Yellow Zinc](https://img.engineeringhardware.com/Made-in-China-Zinc-Alloy-Furniture-Threaded-Insert-Nut-with-Yellow-Zinc.webp)](https://engineeringhardware.com/product/made-in-china-zinc-alloy-furniture-threaded-insert-nut-with-yellow-zinc/) Thread Repair & Solid Threaded Inserts ### [Made in China Zinc Alloy Furniture Threaded Insert Nut with Yellow Zinc](https://engineeringhardware.com/product/made-in-china-zinc-alloy-furniture-threaded-insert-nut-with-yellow-zinc/) Round Head · DIN, ANSI, GB, JIS, BSW **US$0.0264**MOQ 20,000 pieces [![Furniture Threaded Insert Nut with ANSI Galvanized Insert Nut for Wood Furniture Assembly 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