--- title: "Hex Big Flange Head Knurled Self Drilling Screw" description: "Hex Big Flange Head Knurled Self Drilling Screw — Self-Drilling & Tek Screws. MOQ 1,000 pieces, US$0.03 – 0.60." url: https://engineeringhardware.com/product/hex-big-flange-head-knurled-self-drilling-screw/ source: Engineering Hardware & Fasteners --- # Hex Big Flange Head Knurled Self Drilling Screw [![Hex Big Flange Head Knurled Self Drilling Screw](https://img.engineeringhardware.com/Hex-Big-Flange-Head-Knurled-Self-Drilling-Screw.webp)](https://img.engineeringhardware.com/Hex-Big-Flange-Head-Knurled-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/hex-big-flange-head-knurled-self-drilling-screw.md) US$0.03 – 0.60 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Shape of Head:** Flat - **Surface Finishing:** Zinc Plated - **Customized:** Customized - **Head Type:** Flat/Pan/Hex/Truss Head etc - **Drive type can include all the type in the market like:** combination,Slot,Philips,Six Lobe and so on. - **Standard:** American Srandard; - **Surface treatment:** Zinc Plated, painted, Mechanical galvanized, Dacromet; Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hex%20Big%20Flange%20Head%20Knurled%20Self%20Drilling%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhex-big-flange-head-knurled-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 | Customization | Available | | --- | --- | | Material | Carbon Steel | | Shape of Head | Flat | | Surface Finishing | Zinc Plated | | Certification | ISO, RoHS | | Customized | Customized | | Head Type | Flat/Pan/Hex/Truss Head etc | | MOQ | 500kg | | Sampling Time | 3~5workdays | | Testing | Salt Spray Test | | Transport Package | Bulk in CTN. Then in Pallet | | Specification | 3.9mm, 4.2mm, 4.8mm etc | | Origin | China | | HS Code | 73181500 | | Production Capacity | 100tons/Month | | Other Screws | HCH Hardware can provide kinds of screws made by Carbon Steel,Stainless Steel or other material, like | | Drive type can include all the type in the market like | combination,Slot,Philips,Six Lobe and so on. | | Standard | American Srandard; | | Surface treatment | Zinc Plated, painted, Mechanical galvanized, Dacromet; | | Diameter | 4.8mm, 5.5mm, 6.3mm; | | Could Match Washer | EPDM Washer, PVC Washer, Rubber Washer | | Category | [Self-Drilling & Tek Screws](https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-screws/) | ## Description Hex Big Flange Head Knurled Self Drilling Screw is part of our self-drilling & tek screws range (Screws). ### Key details - **Standard:** American Srandard; - **Material:** Carbon Steel - **Diameter:** 4.8mm, 5.5mm, 6.3mm; - **Head Type:** Flat/Pan/Hex/Truss Head etc - **Surface treatment:** Zinc Plated, painted, Mechanical galvanized, Dacromet; - **Certification:** ISO, RoHS - **Shape of Head:** Flat - **Surface Finishing:** Zinc Plated Available configurations include material, shape of head, surface finishing, customized and head type. 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$0.03 – 0.60 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 Hex Big Flange Head Knurled Self Drilling Screw? The listed minimum order is 1,000 pieces, at US$0.03 – 0.60 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 Hex Big Flange Head Knurled Self Drilling Screw? Standard: American Srandard;; Material: Carbon Steel; Diameter: 4.8mm, 5.5mm, 6.3mm;; Head Type: Flat/Pan/Hex/Truss Head etc; Surface treatment: Zinc Plated, painted, Mechanical galvanized, Dacromet;; Certification: ISO, RoHS. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, shape of head, surface finishing, customized and head 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 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/) [![3.5*25mm C1022A DIN 18182 Phillips Black Bugle Head Self Drilling Screw Drywall Screw](https://img.engineeringhardware.com/3-5-25mm-C1022A-DIN-18182-Phillips-Black-Bugle-Head-Self-Drilling-Screw-Drywall-Screw.webp)](https://engineeringhardware.com/product/3-5-25mm-c1022a-din-18182-phillips-black-bugle-head-self-drilling-screw-drywall-screw/) Self-Drilling & Tek Screws ### [3.5*25mm C1022A DIN 18182 Phillips Black Bugle Head Self Drilling Screw Drywall Screw](https://engineeringhardware.com/product/3-5-25mm-c1022a-din-18182-phillips-black-bugle-head-self-drilling-screw-drywall-screw/) Carbon Steel · Unc, Unf, Un, Metric Coarse, Fine **US$0.12 – 1.20**MOQ 1,000 pieces [![Pan Head Phillips Self Drilling Screw/Pan Cabeza Tornillo Self Tapping 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