--- title: "Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head" description: "Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head — Security & Tamper-Resistant Screws. MOQ 1,000 pieces, US$0.012 – 0.12." url: https://engineeringhardware.com/product/premium-rolled-thread-tamper-proof-self-tapping-screws-for-m8-hex-head/ source: Engineering Hardware & Fasteners --- # Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head [![Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head](https://img.engineeringhardware.com/Premium-Rolled-Thread-Tamper-Proof-Self-Tapping-Screws-for-M8-Hex-Head.webp)](https://img.engineeringhardware.com/Premium-Rolled-Thread-Tamper-Proof-Self-Tapping-Screws-for-M8-Hex-Head.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/premium-rolled-thread-tamper-proof-self-tapping-screws-for-m8-hex-head.md) Model no. **Triangle Thread Screw** | **US$0.12**1,000–4,999 pieces | **US$0.096**5,000–9,999 pieces | **US$0.072**10,000–49,999 pieces | **US$0.012**50,000+ pieces | | --- | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Surface Finishing:** Zinc Plated - **Customized:** Customized - **Fastener Standard:** ASTM, ANSI, AISI, DIN, ISO, Ifi, JIS - **Fastener Material:** Stainless Steel - **Fastener Grade:** B8/B8m - **Fastener Finish:** Plain - **Size:** M6-M12; 1/4"-3/4" - **Length:** 10mm - 300mm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Rolled%20Thread%20Tamper-Proof%20Self-Tapping%20Screws%20for%20M8%20Hex%20Head%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-rolled-thread-tamper-proof-self-tapping-screws-for-m8-hex-head%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. | Triangle Thread Screw | | --- | --- | | Surface Finishing | Zinc Plated | | Certification | ISO, GS, RoHS, CE | | Customized | Customized | | Product Name | Triangular Thread Screw | | Keywords | Triangular Screw | | Fastener Standard | ASTM, ANSI, AISI, DIN, ISO, Ifi, JIS | | Fastener Material | Stainless Steel | | Fastener Grade | B8/B8m | | Fastener Finish | Plain | | Size | M6-M12; 1/4"-3/4" | | Length | 10mm - 300mm | | Material Range | Stainless Steel / Carbon Steel | | Thread Size | M6/M6.3/M7/M8/M10/M12 | | Bolts Length | 12/14/25/40/45/50/55 mm | | Mark | According to Customer's Requirement | | Surface Treatment | Black, Zinc, Plain, Zinc Plated, Blue Anodized | | OEM & ODM Custom | Accept | | Sample | Accept | | Transport Package | Standard Packaging or Customized | | Specification | Standard Specifications or Customized | | Origin | Zhejiang, China | | Production Capacity | 5000000 Pieces/Year | | Package Size | 10.00cm * 10.00cm * 10.00cm | | Package Gross Weight | 2.000kg | | Customization | Available | | Material | Stainless Steel | | Shape of Head | Round | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | SELF-TAPPING AND SELF-LOCKING | The unique triangular shape of the thread allows the screw to create its own thread in the mating material, eliminating the need for pre-tapping and reducing costs. This also creates a self-locking mechanism, enhancing the connection's resistance to loosening under vibration. | | ENHANCED LOCKING PERFORMANCE | The design can improve locking performance, especially when resonance is produced, without the need for spring pads or other auxiliary locking devices. This leads to more reliable and cost-effective connections. | | REDUCED FRICTION | The triangular shape reduces friction between the screw and the mating material, leading to smoother assembly and potentially lower drive torque requirements. | | STRONGER CONNECTIONS | The deep thread engagement provided by the triangular profile results in a stronger connection with increased holding power. | | COST-EFFECTIVE | By eliminating pre-tapping and reducing the need for additional locking components, triangular thread screws can be a cost-effective solution in various applications. | | FAST AND RELIABLE DELIVERY | The product has a standard delivery time of 30-40 days, ensuring that customers receive their orders in a timely manner. This swift delivery is particularly beneficial for businesses with urgent needs or projects with tight deadlines. | | COMPLIANCE WITH INTERNATIONAL STANDARDS | The product adheres to international standards, including DIN and IFI, guaranteeing quality and safety. This compliance is crucial for industries that require adherence to specific regulations and standards. | | ISO 9001 | 2008 | | Standard parts | 7-15 days. Non-standard parts: 15- 25 days.We will make the delivery as soon as possible with guaranteed quality. | | Category | [Security & Tamper-Resistant Screws](https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-screws/) | ## Technical parameters | OEM & ODM CUSTOM STANDARD AND NON-STANDARD FASTENER | | | --- | --- | | Material | Carbon Steel, Brass, Stainless steel, Steel, Alloy Steel, Aluminum, titanium, and as per customer's request | | Heat Treating & Surface Treatment | Tempering,Hardening,Spheroidizing,Stress Relieving. | | Surface | Zinc Plated, Zinc Yellow, Geomet, JS 500, E-Coating, Hot Dipped Galvanized, Nickle, Brass, Dacromet, Black Oxide, Black Phosphate, and as per customer's request | | Standard | ASTM, ANSI, AISI, DIN, ISO, IFI, JIS and Non-standard | | Size | Customized | | Certificate | ISO 9001:2008 | | Production Capacity: | 300 Tons/month | | Sample: | Avaliable | ## Description Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head is part of our security & tamper-resistant screws range (Screws). ### Key details - **Material:** Stainless Steel - **Size:** M6-M12; 1/4"-3/4" - **Thread Size:** M6/M6.3/M7/M8/M10/M12 - **Length:** 10mm – 300mm - **Surface Treatment:** Black, Zinc, Plain, Zinc Plated, Blue Anodized - **Certification:** ISO, GS, RoHS, CE - **Surface Finishing:** Zinc Plated - **Product Name:** Triangular Thread Screw Available configurations include surface finishing, customized, fastener standard, fastener material and fastener grade. 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$0.012 – 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 Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head? The listed minimum order is 1,000 pieces, at US$0.012 – 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. ### How does the price change with quantity? Volume pricing: US$0.12 for 1,000–4,999 pieces; US$0.096 for 5,000–9,999 pieces; US$0.072 for 10,000–49,999 pieces; US$0.012 for 50,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head? Material: Stainless Steel; Size: M6-M12; 1/4"-3/4"; Thread Size: M6/M6.3/M7/M8/M10/M12; Length: 10mm - 300mm; Surface Treatment: Black, Zinc, Plain, Zinc Plated, Blue Anodized; Certification: ISO, GS, RoHS, CE. 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, fastener standard, fastener material and fastener grade. 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 & 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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/) [![Aluminum Alloy Red Wheel Anti-Theft Nuts 35mm M12x1.5](https://img.engineeringhardware.com/Aluminum-Alloy-Red-Wheel-Anti-Theft-Nuts-35mm-M12x1-5.webp)](https://engineeringhardware.com/product/aluminum-alloy-red-wheel-anti-theft-nuts-35mm-m12x1-5/) Security & Tamper-Resistant Screws ### [Aluminum Alloy Red Wheel Anti-Theft Nuts 35mm M12x1.5](https://engineeringhardware.com/product/aluminum-alloy-red-wheel-anti-theft-nuts-35mm-m12x1-5/) Hexagon Head · DIN **US$0.12 – 0.24**MOQ 2,000 pieces [![Carbon Steel Phillips Drive Security Screw with Hole – Electric Meter Accessory 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