--- title: "Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert" description: "Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert — Wire Thread & Helical Inserts. MOQ 1 piece, US$0.48 – 0.84." url: https://engineeringhardware.com/product/wire-1-4-20-threaded-inserts-304-316-stainless-steel-wire-thread-insert/ source: Engineering Hardware & Fasteners --- # Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert [![Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert](https://img.engineeringhardware.com/Wire-1-4-20-Threaded-Inserts-304-316-Stainless-Steel-Wire-Thread-Insert.webp)](https://img.engineeringhardware.com/Wire-1-4-20-Threaded-Inserts-304-316-Stainless-Steel-Wire-Thread-Insert.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Inserts & Clinch Fasteners › Wire Thread & Helical Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/wire-thread-helical-inserts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/wire-1-4-20-threaded-inserts-304-316-stainless-steel-wire-thread-insert.md) Model no. **M2-M16** | **US$0.84**1–9 pieces | **US$0.72**10–99 pieces | **US$0.60**100–999 pieces | **US$0.48**1,000+ pieces | | --- | --- | --- | --- | MOQ 1 piece · Final price confirmed in your quote - **Surface Treatment:** Without Treatment - **Head Type:** Round - **Precision Grade:** 6h - **Length:** Customizable - **Temperature Tolerance:** 932fahrenheit-1382fahrenheit - **Package Size:** 10.00cm * 8.00cm * 10.00cm - **Material:** Stainless Steel Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Wire%201%2F4-20%20Threaded%20Inserts%20304%20316%20Stainless%20Steel%20Wire%20Thread%20Insert%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fwire-1-4-20-threaded-inserts-304-316-stainless-steel-wire-thread-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 | Model NO. | M2-M16 | | --- | --- | | Surface Treatment | Without Treatment | | Head Type | Round | | Precision Grade | 6h | | Length | Customizable | | Installation Handle | Without | | Temperature Tolerance | 932fahrenheit-1382fahrenheit | | 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 | 10.00cm * 8.00cm * 10.00cm | | Package Gross Weight | 0.150kg | | Customization | Available | | Material | Stainless Steel | | Connection | Female | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Category | [Wire Thread & Helical Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/wire-thread-helical-inserts/) | ## Technical parameters | | Number of coil turns of the thread insert | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | Specification | 1D | 1.5D | 2D | 2.5D | 3D | Outer diameter before installation | Drill bit diameter | | M2.5*0.45 | 3.6 | 5.9 | 8.2 | 10.5 | 12.8 | 3.2~3.5 | 2.6 | | St3*0.5 | 4.2 | 6.8 | 9.4 | 12 | 14.6 | 3.7~4.0 | 3.1 | | St4*0.7 | 4 | 6.6 | 9.1 | 11.7 | 14.2 | 5.0~5.3 | 4.2 | | St5*0.8 | 4.4 | 7.1 | 9.9 | 12.6 | 15.3 | 6.3~6.6 | 5.2 | | St6*1 | 4.3 | 6.9 | 9.6 | 12.2 | 14.9 | 7.5~7.9 | 6.3 | | St8*1.25 | 4.8 | 7.7 | 10.6 | 13.5 | 16.5 | 9.8~10.1 | 8.3 | | St10*1.5 | 5 | 8.1 | 11.2 | 14.2 | 17.3 | 12~12.5 | 10.4 | | St12*1.75 | 5.3 | 8.4 | 11.6 | 14.8 | 18 | 14.3~14.8 | 12.4 | ## Description Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert is part of our wire thread & helical inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Material:** Stainless Steel - **Length:** Customizable - **Head Type:** Round - **Surface Treatment:** Without Treatment - **Connection:** Female - **Precision Grade:** 6h - **Installation Handle:** Without - **Temperature Tolerance:** 932fahrenheit-1382fahrenheit Available configurations include surface treatment, head type, precision grade, length and temperature tolerance. 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$0.48 – 0.84 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 Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert? The listed minimum order is 1 piece, at US$0.48 – 0.84 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$0.84 for 1–9 pieces; US$0.72 for 10–99 pieces; US$0.60 for 100–999 pieces; US$0.48 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 Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert? Material: Stainless Steel; Length: Customizable; Head Type: Round; Surface Treatment: Without Treatment; Connection: Female; Precision Grade: 6h. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include surface treatment, head type, precision grade, length and temperature tolerance. 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 wire thread & helical inserts are available? The Wire Thread & Helical Inserts category lists 187 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/wire-thread-helical-inserts/](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/wire-thread-helical-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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Wire Thread & Helical Inserts →](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/wire-thread-helical-inserts/) [![Precision-Engineered Wire Thread Inserts, Accurate](https://img.engineeringhardware.com/Precision-Engineered-Wire-Thread-Inserts-Accurate.webp)](https://engineeringhardware.com/product/precision-engineered-wire-thread-inserts-accurate/) Wire Thread & Helical Inserts ### [Precision-Engineered Wire Thread Inserts, Accurate](https://engineeringhardware.com/product/precision-engineered-wire-thread-inserts-accurate/) Common · Stainless Steel **US$0.072 – 0.096**MOQ 10 pieces [![Flanged Brass Insert Nut Stainless Steel SS304 Slotted Self-Tapping Threaded Inserts Wire Thread 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Repair](https://engineeringhardware.com/product/unc-unc-free-running-wire-thread-insert-for-heli-coil-reinforce-repair/) Spring · DIN, ANSI, GB, JIS, GOST, BSW **US$0.012 – 0.12**MOQ 1 piece [![Pin Screw Sleeve for Wire Thread Insert Tool](https://img.engineeringhardware.com/Pin-Screw-Sleeve-for-Wire-Thread-Insert-Tool.webp)](https://engineeringhardware.com/product/pin-screw-sleeve-for-wire-thread-insert-tool/) Wire Thread & Helical Inserts ### [Pin Screw Sleeve for Wire Thread Insert Tool](https://engineeringhardware.com/product/pin-screw-sleeve-for-wire-thread-insert-tool/) Common · Stainless Steel **US$0.36 – 0.60**MOQ 1,000 pieces **US$0.48 – 0.84**MOQ 1 pieceGet a 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