--- title: "Stainless Steel M3m4m5m6 Thread Triangle Drive Security Screw" description: "Stainless Steel M3m4m5m6 Thread Triangle Drive Security Screw — Security & Tamper-Resistant Screws. MOQ 1,000 pieces, US$0.096 – 0.12." url: https://engineeringhardware.com/product/stainless-steel-m3m4m5m6-thread-triangle-drive-security-screw/ source: Engineering Hardware & Fasteners --- # Stainless Steel M3m4m5m6 Thread Triangle Drive Security Screw [![Stainless Steel M3m4m5m6 Thread Triangle Drive Security Screw](https://img.engineeringhardware.com/Stainless-Steel-M3m4m5m6-Thread-Triangle-Drive-Security-Screw.webp)](https://img.engineeringhardware.com/Stainless-Steel-M3m4m5m6-Thread-Triangle-Drive-Security-Screw.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Security & Tamper-Resistant Screws](https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/stainless-steel-m3m4m5m6-thread-triangle-drive-security-screw.md) Model no. **M3-M6** US$0.096 – 0.12 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Counter Sunk Bolt - **Standard:** DIN, ANSI, GB, JIS - **Grade:** 4.8 - **Size:** M3-M6 - **Color:** Silvery - **Material:** Stainless Steel - **Diameter:** From M3-6 - **Packing:** In carton 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%20M3m4m5m6%20Thread%20Triangle%20Drive%20Security%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fstainless-steel-m3m4m5m6-thread-triangle-drive-security-screw%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. | M3-M6 | | --- | --- | | Connection | Common Bolt | | Head Style | Counter Sunk Bolt | | Standard | DIN, ANSI, GB, JIS | | Grade | 4.8 | | Size | M3-M6 | | Service | Customized OEM | | Color | Silvery | | Application | Machinery,Chemical Industry, Environ Mental,Build | | Transport Package | 25kg/Carton, 36 Carton/Pallet. | | Specification | DIN, GB, JISB, ISO, ANSI/ASME B, W. S. W | | Origin | China | | HS Code | 7318160000 | | Production Capacity | 8000 Tons Per Year | | Customization | Available | | Material | Stainless Steel | | Type | Countersunk Head | | Diameter | From M3-6 | | Packing | In carton | | ABOUT US | Wellbolt is an excellent fasteners & metal production manufacturer and exporter in China,from the beginning of the production of bolts and screws, established its full range fastener distribution line 3 years later. | | All our processes strictly adhere to ISO9001 | 2008 procedures. We have strict quality control from producing to | | Standard parts | 7-15days | | Non-standard parts | 15-25days | | Category | [Security & Tamper-Resistant Screws](https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-screws/) | ## Technical parameters | Diameter: | From M3-6 | | --- | --- | | Material | Carbon steel, alloy steel, Stainless steel A2/A4. | | Coating | ZP, Black, HDG, Dacromet, Geomet, etc. | | Packing: | In carton | | MOQ | about 300 Kgs | | Production capacity | About 600 Tons per Month | ## Description Stainless Steel M3m4m5m6 Thread Triangle Drive Security Screw is part of our security & tamper-resistant screws range (Screws). ### Key details - **Type:** Countersunk Head - **Standard:** DIN, ANSI, GB, JIS - **Material:** Stainless Steel - **Grade:** 4.8 - **Size:** M3-M6 - **Diameter:** From M3-6 - **Head Style:** Counter Sunk Bolt - **Connection:** Common Bolt Available configurations include head style, standard, grade, size and color. 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$0.096 – 0.12 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 M3m4m5m6 Thread Triangle Drive Security Screw? The listed minimum order is 1,000 pieces, at US$0.096 – 0.12 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 Stainless Steel M3m4m5m6 Thread Triangle Drive Security Screw? Type: Countersunk Head; Standard: DIN, ANSI, GB, JIS; Material: Stainless Steel; Grade: 4.8; Size: M3-M6; Diameter: From M3-6. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head style, standard, grade, size and color. 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 security & tamper-resistant screws are available? The Security & Tamper-Resistant Screws category lists 619 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-screws/](https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-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 & 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 Security & Tamper-Resistant Screws →](https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-screws/) [![Metric Measure System Tamperproof M3 Self-Tapping Screws (Steel) Flat Head Triangular Tri-Lobular Drive Machine Screw](https://img.engineeringhardware.com/Metric-Measure-System-Tamperproof-M3-Self-Tapping-Screws-Steel-Flat-Head-Triangular-Tri-Lobular-Drive-Machine-Screw.webp)](https://engineeringhardware.com/product/metric-measure-system-tamperproof-m3-self-tapping-screws-steel-flat-head-triangular/) Security & Tamper-Resistant Screws ### [Metric Measure System Tamperproof M3 Self-Tapping Screws (Steel) Flat Head Triangular Tri-Lobular Drive Machine Screw](https://engineeringhardware.com/product/metric-measure-system-tamperproof-m3-self-tapping-screws-steel-flat-head-triangular/) Carbon Steel · M6-M12; 1/4"-3/4" **US$0.012 – 0.12**MOQ 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