--- title: "Stainless Steel Slotted Self Tapping Wire Threaded Insert M2 M4 M8 M12 M20" description: "Stainless Steel Slotted Self Tapping Wire Threaded Insert M2 M4 M8 M12 M20 — Thread Repair & Solid Threaded Inserts. MOQ 1 piece, US$0.24 – 0.60." url: https://engineeringhardware.com/product/stainless-steel-slotted-self-tapping-wire-threaded-insert-m2-m4-m8-m12-m20/ source: Engineering Hardware & Fasteners --- # Stainless Steel Slotted Self Tapping Wire Threaded Insert M2 M4 M8 M12 M20 [![Stainless Steel Slotted Self Tapping Wire Threaded Insert M2 M4 M8 M12 M20](https://img.engineeringhardware.com/Stainless-Steel-Slotted-Self-Tapping-Wire-Threaded-Insert-M2-M4-M8-M12-M20.webp)](https://img.engineeringhardware.com/Stainless-Steel-Slotted-Self-Tapping-Wire-Threaded-Insert-M2-M4-M8-M12-M20.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/stainless-steel-slotted-self-tapping-wire-threaded-insert-m2-m4-m8-m12-m20.md) Model no. **Full series** | **US$0.60**1–9 pieces | **US$0.48**10–99 pieces | **US$0.36**100–999 pieces | **US$0.24**1,000+ pieces | | --- | --- | --- | --- | MOQ 1 piece · Final price confirmed in your quote - **Surface Finishing:** Zinc Plated - **Customized:** Customized - **Package Size:** 15.00cm * 10.00cm * 20.00cm - **Material:** Stainless Steel - **No need to pre-tap the thread:** It can be directly screwed into the specific hole reserved in the base material.For the damaged female thread, the same original screw can also be used, which is both economical and beautiful.For new products, it can also increase the strength of the thread. - **Repair the internal thread:** It can repair the damaged internal thread. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Stainless%20Steel%20Slotted%20Self%20Tapping%20Wire%20Threaded%20Insert%20M2%20M4%20M8%20M12%20M20%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fstainless-steel-slotted-self-tapping-wire-threaded-insert-m2-m4-m8-m12-m20%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. | Full series | | --- | --- | | Usage | Building, Machinery, Medical, Rocket, Shipping, Chemical | | Rotation Direction | Right Rotation | | Surface Finishing | Zinc Plated | | Certification | ISO, RoHS | | Customized | Customized | | Pre-Tapping | No Need | | Classification | Slotted Type/Three-Round-Hole Typ | | Advantage | Easy Installation | | Defective Rate | Almost None | | Transport Package | PE Bags+Cartons+Pallets | | Specification | Package 30cm x 26cm x 18cm | | Origin | China | | HS Code | 7318190000 | | Production Capacity | 3000000 Pieces/Day | | Package Size | 15.00cm * 10.00cm * 20.00cm | | Package Gross Weight | 0.300kg | | Customization | Available | | Material | Stainless Steel | | Type | Common | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | No need to pre-tap the thread | It can be directly screwed into the specific hole reserved in the base material.For the damaged female thread, the same original screw can also be used, which is both economical and beautiful.For new products, it can also increase the strength of the thread. | | Repair the internal thread | It can repair the damaged internal thread. | | Wide application | It has been widely used in industries such as the automotive industry, rail vehicle industry, shipbuilding industry, home appliances, construction machinery, office machines, electronic products, engineering plastics, and advanced modular furniture. | | Category | [Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) | ## Technical parameters | Specification | Inner diameter B | Inner thread pitch | Length L | Outer diameter A | Outer thread pitch P | Installation bottom hole | Drilling depth | | --- | --- | --- | --- | --- | --- | --- | --- | | M3*0.5*M5*08*L6MM | M3 | 0.5 | 6 | M5 | 0.8 | 4.4 | 8 | | M4*0.7*M6*1.0*L8MM | M4 | 0.7 | 8 | M6 | 1 | 5.2 | 10 | | M5*0.8*M8*1.25*L10MM | M5 | 0.8 | 10 | M8 | 1.25 | 6.9 | 12 | | M6*1*M8*1.25*L10MM | M6 | 1 | 10 | M8 | 1.25 | 7 | 12 | | M6*1*M10*1.5*L12MM | M6 | 1 | 12 | M10 | 1.5 | 8.8 | 14 | | M8*1.25*M10*1.5*L12MM | M8 | 1.25 | 12 | M10 | 1.5 | 9-9.1 | 14 | | M8*1.25*M12*1.75*L15MM | M8 | 1.25 | 15 | M12 | 1.75 | 10.4 | 18 | | M10*1.5*M12*1.75*L15MM | M10 | 1.5 | 15 | M12 | 1.75 | 10.6-10.7 | 18 | | M10*1.5*M14*2*L20MM | M10 | 1.5 | 20 | M14 | 2 | 12.2 | 18 | | M12*1.75*M16*2*L20MM | M12 | 1.75 | 20 | M16 | 2 | 14.2 | 22.5 | | M14*2*M18*2.5*L25MM | M14 | 2 | 25 | M18 | 2.5 | 15.7 | 28 | | M16*2*M20*2.5L32MM | M16 | 2 | 32 | M20 | 2.5 | 17.7 | 35 | ## Description Stainless Steel Slotted Self Tapping Wire Threaded Insert M2 M4 M8 M12 M20 is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Common - **Material:** Stainless Steel - **Certification:** ISO, RoHS - **Usage:** Building, Machinery, Medical, Rocket, Shipping, Chemical - **Rotation Direction:** Right Rotation - **Surface Finishing:** Zinc Plated - **Pre-Tapping:** No Need - **Classification:** Slotted Type/Three-Round-Hole Typ Available configurations include surface finishing, customized, package size, material and no need to pre-tap the thread. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$0.24 – 0.60 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 Stainless Steel Slotted Self Tapping Wire Threaded Insert M2 M4 M8 M12 M20? The listed minimum order is 1 piece, at US$0.24 – 0.60 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$0.60 for 1–9 pieces; US$0.48 for 10–99 pieces; US$0.36 for 100–999 pieces; US$0.24 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 Stainless Steel Slotted Self Tapping Wire Threaded Insert M2 M4 M8 M12 M20? Type: Common; Material: Stainless Steel; Certification: ISO, RoHS; Usage: Building, Machinery, Medical, Rocket, Shipping, Chemical; Rotation Direction: Right Rotation; Surface Finishing: Zinc Plated. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include surface finishing, customized, package size, material and no need to pre-tap the thread. 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/) [![Spark Plug Thread Insert Screw-Threaded Threaded Wire Thread Screw Inserts](https://img.engineeringhardware.com/Spark-Plug-Thread-Insert-Screw-Threaded-Threaded-Wire-Thread-Screw-Inserts.webp)](https://engineeringhardware.com/product/spark-plug-thread-insert-screw-threaded-threaded-wire-thread-screw-inserts/) Thread Repair & Solid Threaded Inserts ### [Spark Plug Thread Insert Screw-Threaded Threaded Wire Thread Screw Inserts](https://engineeringhardware.com/product/spark-plug-thread-insert-screw-threaded-threaded-wire-thread-screw-inserts/) DIN, ANSI, GB, JIS, BSW · Carbon Steel **US$0.06 – 0.12**MOQ 1 piece [![Inter and Outer Threaded Brass Nut Brass Insert Insert Into a Graphite 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