--- title: "Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic" description: "Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic — Security & Tamper-Resistant Screws. MOQ 50,000 pieces, US$0.006 – 6.00." url: https://engineeringhardware.com/product/customized-tamper-proof-self-tapping-thread-forming-pt-screw-for-plastic/ source: Engineering Hardware & Fasteners --- # Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic [![Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic](https://img.engineeringhardware.com/Customized-Tamper-Proof-Self-Tapping-Thread-Forming-PT-Screw-for-Plastic.webp)](https://img.engineeringhardware.com/Customized-Tamper-Proof-Self-Tapping-Thread-Forming-PT-Screw-for-Plastic.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/customized-tamper-proof-self-tapping-thread-forming-pt-screw-for-plastic.md) Model no. **OKL-S29** US$0.006 – 6.00 / piece MOQ 50,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel / Stainless Steel 304/316 - **Head Style:** Round - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** Customized - **Drive Type:** Pin in Torx - **Thread Type:** Self Tapping Thread - **Surface Finish:** Zinc Plated (Carbon Steel) / Natural (Stainless St - **Diameter Range:** 3.5mm - 6.0mm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Customized%20Tamper%20Proof%20Self%20Tapping%20Thread%20Forming%20PT%20Screw%20for%20Plastic%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustomized-tamper-proof-self-tapping-thread-forming-pt-screw-for-plastic%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 / Stainless Steel 304/316 | | Type | Pan Head | | Model NO. | OKL-S29 | | Groove | Torx with Pin | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | Customized | | Product Name | PT Screw for Plastic | | Keywords | PT Screw | | Drive Type | Pin in Torx | | Thread Type | Self Tapping Thread | | Surface Finish | Zinc Plated (Carbon Steel) / Natural (Stainless St | | Diameter Range | 3.5mm - 6.0mm | | Length Range | 13mm - 100mm | | Point Style | Flat Point | | Feature | Corrosion Resistant, Anti-Loosening, High Torque T | | Application | Furniture, Electronics, Automotive, Construction | | Standard Compliance | DIN, ISO, ANSI/ASME, JIS | | Transport Package | Standard Packaging or Customized | | Specification | Standard Specifications or Customized | | Origin | Zhejiang, China | | HS Code | 7318150000 | | Production Capacity | 300000000PCS/Year | | Package Size | 28.00cm * 14.00cm * 14.00cm | | Package Gross Weight | 20.000kg | | Thread Forming Design | Specially engineered thread profile creates its own mating thread in thermoplastics, eliminating the need for pre-tapped holes and reducing material stress. | | High Pull-Out Resistance | Provides superior holding strength in plastic components, preventing loosening under vibration or thermal expansion. | | Reduced Installation Torque | Low driving torque requirements make assembly faster and easier, minimizing the risk of material cracking. | | Precision Engineering | Consistent thread pitch and geometry ensure reliable performance across repeated assemblies. | | Key Features | Tamper-proof design with Torx 6 lobe head and pin for enhanced security | | Torx sizes | T6, T8, T10, T15, T20, T25, T30, T45, T50 | | Dimensions (d max) | from 2.6 mm (M2) to 11.2 mm (M10) | | Head dimensions (da max) | from 4 mm to 20 mm | | Key dimensions (e) | from 1.75 mm to 8.95 mm | | Minimum and maximum thickness (t min / t max) | 0.63 mm to 4.02 mm | | Minimum radius (r min) | 0.1 mm to 0.4 mm | | Category | [Security & Tamper-Resistant Screws](https://engineeringhardware.com/fastener-products/screws/security-tamper-resistant-screws/) | ## Technical parameters | TECHNICAL PARAMETERS | | | --- | --- | | Product Name | Thread Forming PT Screw for Plastic | | Keywords | PT Screw for Plastic | | Material | Carbon Steel / Stainless Steel 304/316 | | Head Style | Pan Head | | Drive Type | Pin in Torx Drive | | Thread Type | Self Tapping Thread | | Surface Finish | Zinc Plated (Carbon Steel) / Natural (Stainless Steel) | | Diameter Range | 3.5mm - 6.0mm | | Length Range | 13mm - 100mm | | Point Style | Flat Point | | Feature | Corrosion Resistant, Anti-Loosening, High Torque Transfer | | Application | Construction, Industrial, Furniture, Woodworking, Decking | | Standard Compliance | DIN,ISO,ANSI/ASME,JIS | ## Description Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic is part of our security & tamper-resistant screws range (Screws). ### Key details - **Type:** Pan Head - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** Carbon Steel / Stainless Steel 304/316 - **Grade:** Customized - **Head Style:** Round - **Groove:** Torx with Pin - **Connection:** Common Bolt - **Application:** Furniture, Electronics, Automotive, Construction Available configurations include material, head style, standard, grade and drive type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 50,000 pieces at US$0.006 – 6.00 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 Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic? The listed minimum order is 50,000 pieces, at US$0.006 – 6.00 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 Customized Tamper Proof Self Tapping Thread Forming PT Screw for Plastic? Type: Pan Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Carbon Steel / Stainless Steel 304/316; Grade: Customized; Head Style: Round; Groove: Torx with Pin. 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 drive type. 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/) [![T8 T9 T10 Tamper Resistant Security Head Screws License Plate Carbon Steel Plum Flower Security Self Tapping Screw with Pin](https://img.engineeringhardware.com/T8-T9-T10-Tamper-Resistant-Security-Head-Screws-License-Plate-Carbon-Steel-Plum-Flower-Security-Self-Tapping-Screw-with-Pin.webp)](https://engineeringhardware.com/product/t8-t9-t10-tamper-resistant-security-head-screws-license-plate-carbon-steel-plum/) Security & Tamper-Resistant Screws ### [T8 T9 T10 Tamper Resistant Security Head Screws License Plate Carbon Steel Plum Flower Security Self Tapping Screw with Pin](https://engineeringhardware.com/product/t8-t9-t10-tamper-resistant-security-head-screws-license-plate-carbon-steel-plum/) Pan Head · DIN, GB, ANSI, JIS, GOST **US$0.036 – 0.06**MOQ 10,000 pieces [![Glass Fastener Ball Head Anti-Theft Locking Screw](https://img.engineeringhardware.com/Glass-Fastener-Ball-Head-Anti-Theft-Locking-Screw.webp)](https://engineeringhardware.com/product/glass-fastener-ball-head-anti-theft-locking-screw/) Security & Tamper-Resistant Screws ### [Glass Fastener Ball Head Anti-Theft Locking Screw](https://engineeringhardware.com/product/glass-fastener-ball-head-anti-theft-locking-screw/) Ball Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.25 – 0.67**MOQ 10,000 pieces [![China Factory DIN982 Special Types Anti Theft Hex Nuts Plastic Insert Nylon Lock Nut](https://img.engineeringhardware.com/China-Factory-DIN982-Special-Types-Anti-Theft-Hex-Nuts-Plastic-Insert-Nylon-Lock-Nut.webp)](https://engineeringhardware.com/product/china-factory-din982-special-types-anti-theft-hex-nuts-plastic-insert-nylon-lock-nut/) Security & Tamper-Resistant Screws ### [China Factory DIN982 Special Types Anti Theft Hex Nuts Plastic Insert Nylon Lock Nut](https://engineeringhardware.com/product/china-factory-din982-special-types-anti-theft-hex-nuts-plastic-insert-nylon-lock-nut/) Hexagon Head · DIN **US$720.00 – 1,200**MOQ 1 ton [![Stainless Steel SS304 316 Tornillos Phillips Big Pan Head Plastic Self Tapping Screw M2 for Metal DIN 7981 China Fastener Security Screw](https://img.engineeringhardware.com/Stainless-Steel-SS304-316-Tornillos-Phillips-Big-Pan-Head-Plastic-Self-Tapping-Screw-M2-for-Metal-DIN-7981-China-Fastener-Security-Screw.webp)](https://engineeringhardware.com/product/stainless-steel-ss304-316-tornillos-phillips-big-pan-head-plastic-self-tapping-screw/) Security & Tamper-Resistant Screws ### [Stainless Steel SS304 316 Tornillos Phillips Big Pan Head Plastic Self Tapping Screw M2 for Metal DIN 7981 China Fastener Security Screw](https://engineeringhardware.com/product/stainless-steel-ss304-316-tornillos-phillips-big-pan-head-plastic-self-tapping-screw/) Hexagon Head · DIN, GB **US$0.012**MOQ 100 pieces [![Stainless Steel Shear Nut Tamper Proof Snap off Security Nut](https://img.engineeringhardware.com/Stainless-Steel-Shear-Nut-Tamper-Proof-Snap-off-Security-Nut.webp)](https://engineeringhardware.com/product/stainless-steel-shear-nut-tamper-proof-snap-off-security-nut/) Security & Tamper-Resistant Screws ### [Stainless Steel Shear Nut Tamper Proof Snap off Security Nut](https://engineeringhardware.com/product/stainless-steel-shear-nut-tamper-proof-snap-off-security-nut/) Hexagon Head · DIN, GB, Standard, Nonstandard **US$0.096**MOQ 1,000 pieces [![Stainless Steel and Brass China Security Anti-Theft Bolt Screw with Triangular Head Drives](https://img.engineeringhardware.com/Stainless-Steel-and-Brass-China-Security-Anti-Theft-Bolt-Screw-with-Triangular-Head-Drives.webp)](https://engineeringhardware.com/product/stainless-steel-and-brass-china-security-anti-theft-bolt-screw-with-triangular-head/) Security & Tamper-Resistant Screws ### [Stainless Steel and Brass China Security Anti-Theft Bolt Screw with Triangular Head Drives](https://engineeringhardware.com/product/stainless-steel-and-brass-china-security-anti-theft-bolt-screw-with-triangular-head/) Machine Screw · DIN, GB, ANSI, BSW **US$0.0384 – 0.19**MOQ 50,000 pieces [![M12X1.5 Anti-Theft Wheel Lock Nuts for Car Protection](https://img.engineeringhardware.com/M12X1-5-Anti-Theft-Wheel-Lock-Nuts-for-Car-Protection.webp)](https://engineeringhardware.com/product/m12x1-5-anti-theft-wheel-lock-nuts-for-car-protection/) Security & Tamper-Resistant Screws ### [M12X1.5 Anti-Theft Wheel Lock Nuts for Car Protection](https://engineeringhardware.com/product/m12x1-5-anti-theft-wheel-lock-nuts-for-car-protection/) Auto Fasteners · Steel **US$0.12 – 0.48**MOQ 1 piece [![Non-Standard Security Screw Security Screw](https://img.engineeringhardware.com/Non-Standard-Security-Screw-Security-Screw.webp)](https://engineeringhardware.com/product/non-standard-security-screw-security-screw/) Security & Tamper-Resistant Screws ### [Non-Standard Security Screw Security Screw](https://engineeringhardware.com/product/non-standard-security-screw-security-screw/) Customized · DIN, GB, ANSI, BSW, JIS, GOST, Customized **US$0.0012 – 0.012**MOQ 5,000 pieces **US$0.006 – 6.00**MOQ 50,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Customized%20Tamper%20Proof%20Self%20Tapping%20Thread%20Forming%20PT%20Screw%20for%20Plastic%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustomized-tamper-proof-self-tapping-thread-forming-pt-screw-for-plastic%2F)