--- title: "Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw" description: "Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw — Self-Drilling & Tek Screws. MOQ 10,000 pieces, US$0.006 – 0.036." url: https://engineeringhardware.com/product/fastener-flat-head-hex-head-pan-head-self-drilling-screw/ source: Engineering Hardware & Fasteners --- # Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw [![Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw](https://img.engineeringhardware.com/Fastener-Flat-Head-Hex-Head-Pan-Head-Self-Drilling-Screw.webp)](https://img.engineeringhardware.com/Fastener-Flat-Head-Hex-Head-Pan-Head-Self-Drilling-Screw.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Self-Drilling & Tek Screws](https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/fastener-flat-head-hex-head-pan-head-self-drilling-screw.md) Model no. **St3.5-St6.3** | **US$0.036**10,000–49,999 pieces | **US$0.012**50,000–999,999 pieces | **US$0.006**1,000,000+ pieces | | --- | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, BSW - **Grade:** A2-70, A4-80 - **Size:** St3.5-St6.3 - **Finish:** Plain, Galvanzied, Passivation ,HDG,Nickel Plated - **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%20Fastener%20Flat%20Head%2C%20Hex%20Head%2C%20Pan%20Head%20Self-Drilling%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffastener-flat-head-hex-head-pan-head-self-drilling-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. | St3.5-St6.3 | | --- | --- | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, BSW | | Grade | A2-70, A4-80 | | Name | Fastener Flat Head ,Hex Head, Pan Head Self-Drilli | | Size | St3.5-St6.3 | | Samples | Free | | Delivery | 7-25days | | Certification | ISO, RoHS, SGS, TUV | | Finish | Plain, Galvanzied, Passivation ,HDG,Nickel Plated | | Transport Package | Carton + Pallet | | Specification | ST3.5-ST6.3 | | Origin | China | | HS Code | 7318151001 | | Production Capacity | 20ton/Week | | Customization | Available | | Material | Stainless Steel | | Type | Hexagon Head | | BOLT | DIN928,DIN933, DIN931, DIN912,DIN603,DIN7985,DIN7991,DIN6921, ASME/ANSI B 18.2.1ASME/ANSIB18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect | | Nut | DIN934,DIN6923,DIN985,ISO4032 hex heavy hex nut, 2H nut,A563/A563M cap nut, nylon nut, ect | | Rod | threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect | | Screw | hex screw,DIN912; self drilling screw, DIN7504; self tapping screw,DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect | | washer | flat washer DIN125, spring washer DIN127, lock washer,square washer,spring lock washer, plain washer ect | | Category | [Self-Drilling & Tek Screws](https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-screws/) | ## Technical parameters | Name | Fastener Flat head ,Hex head, Pan head Self-Drilling Screw | | --- | --- | | Place of Origin | Jiaxing, Zhengjiang, China | | Size | St3.5-St6.3 or non-standard as request&design | | Finish | plain, zinc plated, black oxide, hot dip galv.et | | Head Type | hex head | | Material | Carbon steel, stainless steel, alloys steel etc. | | Grade | a2,a4,4.8,8.8,10.9,12.9.etc,A2-70, A4-80 ect | | Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc | | Non-standards | OEM is available, according to drawing or samples | | Samples | Samples are free. | | Package | Bulk in master cartons, then on pallets, or according to customers' requirement. | | Payment | T/T or L/C | ## Description Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw is part of our self-drilling & tek screws range (Screws). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, BSW - **Material:** Stainless Steel - **Grade:** A2-70, A4-80 - **Size:** St3.5-St6.3 - **Head Style:** Hexagonal - **Groove:** Hexagon - **Finish:** Plain, Galvanzied, Passivation ,HDG,Nickel Plated Available configurations include head style, standard, grade, size and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.006 – 0.036 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 Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw? The listed minimum order is 10,000 pieces, at US$0.006 – 0.036 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$0.036 for 10,000–49,999 pieces; US$0.012 for 50,000–999,999 pieces; US$0.006 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw? Type: Hexagon Head; Standard: DIN, ANSI, BSW; Material: Stainless Steel; Grade: A2-70, A4-80; Size: St3.5-St6.3; 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 head style, standard, grade, size and finish. 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 self-drilling & tek screws are available? The Self-Drilling & Tek Screws category lists 5,114 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-screws/](https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-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 Self-Drilling & Tek Screws →](https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-screws/) [![High-Quality Self-Drilling Metal Thread Nail for Waterproof Membrane Installation](https://img.engineeringhardware.com/High-Quality-Self-Drilling-Metal-Thread-Nail-for-Waterproof-Membrane-Installation.webp)](https://engineeringhardware.com/product/high-quality-self-drilling-metal-thread-nail-for-waterproof-membrane-installation/) Self-Drilling & Tek Screws ### [High-Quality Self-Drilling Metal Thread Nail for Waterproof Membrane Installation](https://engineeringhardware.com/product/high-quality-self-drilling-metal-thread-nail-for-waterproof-membrane-installation/) Indoor, Outdoor · CE, ISO **US$0.12 – 2.40**MOQ 1,000 pieces [![TSR/Tsingri Black Ruspert Carbon Steel Torx Pan Head Self-Drilling Screws Tapping 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