--- title: "Factory Supply DIN8140 M3 M4 M5 M6 Key Locking Screw Thread Inserts" description: "Factory Supply DIN8140 M3 M4 M5 M6 Key Locking Screw Thread Inserts — Thread Repair & Solid Threaded Inserts. MOQ 1,000 pieces, US$0.036 – 0.36." url: https://engineeringhardware.com/product/factory-supply-din8140-m3-m4-m5-m6-key-locking-screw-thread-inserts/ source: Engineering Hardware & Fasteners --- # Factory Supply DIN8140 M3 M4 M5 M6 Key Locking Screw Thread Inserts [![Factory Supply DIN8140 M3 M4 M5 M6 Key Locking Screw Thread Inserts](https://img.engineeringhardware.com/Factory-Supply-DIN8140-M3-M4-M5-M6-Key-Locking-Screw-Thread-Inserts.webp)](https://img.engineeringhardware.com/Factory-Supply-DIN8140-M3-M4-M5-M6-Key-Locking-Screw-Thread-Inserts.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/factory-supply-din8140-m3-m4-m5-m6-key-locking-screw-thread-inserts.md) Model no. **WTI01** US$0.036 – 0.36 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, GOST - **Grade:** 9.8 - **Surface Treatment:** Galvanized Sheet - **Head Type:** Hexagon - **Package Size:** 27.00cm * 20.00cm * 17.00cm - **Steel Grade:** DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449, Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Factory%20Supply%20DIN8140%20M3%20M4%20M5%20M6%20Key%20Locking%20Screw%20Thread%20Inserts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffactory-supply-din8140-m3-m4-m5-m6-key-locking-screw-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 | Carbon Steel | | Type | Hexagon Head | | Model NO. | WTI01 | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, GOST | | Grade | 9.8 | | Surface Treatment | Galvanized Sheet | | Head Type | Hexagon | | Groove | Cross | | Shape | Hexalobular Socket Raised Countersunk (Oval) Head | | Transport Package | in Bulk or in Small Box, Small Box+Carton | | Specification | 3.5mm-4.8mm | | Origin | China | | HS Code | 731829000 | | Production Capacity | 1500tons/Year | | Package Size | 27.00cm * 20.00cm * 17.00cm | | Package Gross Weight | 25.000kg | | Stainless Steel | SS201, SS303, SS304, SS316,SS316L,SS904L ,SS31803 | | Steel Grade | DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449, | | M2-M24 | Cold Froging,M24-M100 Hot Forging, | | Busy season | 15-30days,Slack seaon:10-20days | | Category | [Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) | ## Technical parameters | Products name | BOLTS, NUTS, WASHERS, SCREWS, RIVETS, THREADED ROD, ANCHOR BOLTS, RIGGING, ALLEN KEY, PIN, SELF TAPPING SCREW, HARDWARE TOOL, CNC | | --- | --- | | Standard: | DIN,ASTM/ANSI JIS EN ISO,AS,GB | | Material | Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L ,SS31803 | | Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449, | | | Finishing | Zinc(Yellow,White,Blue,Black),Hot Dip Galvanized(HDG),Black, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated | | Production Process | M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener | | Customized Products Lead time | Busy season:15-30days,Slack seaon:10-20days | | Stock Products | Stainless steel: All DIN Standard stainless steel fastener(BOLTS,NUTS.SCREWS.WASHERS) | | Customer design | our experienced engineer team can developed the products and manufacture in accordance with samples, drawings or only ideas | | Packing details | bulk packing in cartons, then put on pallets, or as per your requests. | | Payment terms | T/T, L/C, western union, paypal, etc. | ## Description Factory Supply DIN8140 M3 M4 M5 M6 Key Locking Screw Thread Inserts is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, GOST - **Material:** Carbon Steel - **Grade:** 9.8 - **Head Type:** Hexagon - **Head Style:** Hexagonal - **Groove:** Cross - **Surface Treatment:** Galvanized Sheet Available configurations include material, head style, standard, grade and surface treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1,000 pieces at US$0.036 – 0.36 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 Factory Supply DIN8140 M3 M4 M5 M6 Key Locking Screw Thread Inserts? The listed minimum order is 1,000 pieces, at US$0.036 – 0.36 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of Factory Supply DIN8140 M3 M4 M5 M6 Key Locking Screw Thread Inserts? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, GOST; Material: Carbon Steel; Grade: 9.8; Head Type: Hexagon; Head Style: Hexagonal. 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 surface treatment. 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/) [![20X10mm Threaded Inserts Nuts Zinc Plated Carbon Steel Hex Socket Drive Furniture Flanged Screw-in Nut](https://img.engineeringhardware.com/20X10mm-Threaded-Inserts-Nuts-Zinc-Plated-Carbon-Steel-Hex-Socket-Drive-Furniture-Flanged-Screw-in-Nut.webp)](https://engineeringhardware.com/product/20x10mm-threaded-inserts-nuts-zinc-plated-carbon-steel-hex-socket-drive-furniture/) Thread Repair & Solid Threaded Inserts ### [20X10mm Threaded Inserts Nuts Zinc Plated Carbon Steel Hex Socket Drive Furniture Flanged Screw-in Nut](https://engineeringhardware.com/product/20x10mm-threaded-inserts-nuts-zinc-plated-carbon-steel-hex-socket-drive-furniture/) Hexagon Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.012 – 0.06**MOQ 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