--- title: "Flat Countersunk Head White/Yellow Galvanized Coarse Thread Self Tapping Screw for Wall Fiberboard and Assembly Chipboard Screws" description: "Flat Countersunk Head White/Yellow Galvanized Coarse Thread Self Tapping Screw for Wall… — Self-Tapping & Thread-Forming Screws. MOQ 100 tons, US$1,200." url: https://engineeringhardware.com/product/flat-countersunk-head-white-yellow-galvanized-coarse-thread-self-tapping-screw-for/ source: Engineering Hardware & Fasteners --- # Flat Countersunk Head White/Yellow Galvanized Coarse Thread Self Tapping Screw for Wall Fiberboard and Assembly Chipboard Screws [![Flat Countersunk Head White/Yellow Galvanized Coarse Thread Self Tapping Screw for Wall Fiberboard and Assembly Chipboard Screws](https://img.engineeringhardware.com/Flat-Countersunk-Head-White-Yellow-Galvanized-Coarse-Thread-Self-Tapping-Screw-for-Wall-Fiberboard-and-Assembly-Chipboard-Screws.webp)](https://img.engineeringhardware.com/Flat-Countersunk-Head-White-Yellow-Galvanized-Coarse-Thread-Self-Tapping-Screw-for-Wall-Fiberboard-and-Assembly-Chipboard-Screws.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Self-Tapping & Thread-Forming Screws](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/flat-countersunk-head-white-yellow-galvanized-coarse-thread-self-tapping-screw-for.md) Model no. **4*14/16/18/20/25//30/32/35/38/40/5/60/70/80** US$1,200 / ton MOQ 100 tons · Final price confirmed in your quote - **Standard:** GB - **Material:** Steel - **Surface Treatment:** Color Zinc Plating - **Head Type:** Countersunk Head - **Drive Type:** Phillips Drive - **Thread Type:** Full Thread - **Anti-Rust Grade:** High Anti-Rust - **Color:** Color Zinc Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Flat%20Countersunk%20Head%20White%2FYellow%20Galvanized%20Coarse%20Thread%20Self%20Tapping%20Screw%20for%20Wall%20Fiberboard%20and%20Assembly%20Chipboard%20Screws%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fflat-countersunk-head-white-yellow-galvanized-coarse-thread-self-tapping-screw-for%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 | | --- | --- | | Standard | GB | | Type | Common Nail | | Model NO. | 4*14/16/18/20/25//30/32/35/38/40/5/60/70/80 | | Material | Steel | | Product Name | Color Chipboard Screw | | Product Type | Chipboard Screw, Self-Tapping Screw | | Composition | Carbon Steel | | Surface Treatment | Color Zinc Plating | | Head Type | Countersunk Head | | Drive Type | Phillips Drive | | Thread Type | Full Thread | | Anti-Rust Grade | High Anti-Rust | | Applicable Board | Fiberboard, MDF, Solid Wood Board | | Color | Color Zinc | | Packaging Type | Boxed / Bagged | | Nominal Diameter | 3.5mm | | Length | 14/16/18/20/25//30/32/35/38/40/5/60/70/80mm | | Hardness | Hardened & Quenched | | Anti-Loose Effect | Anti-Slipping | | Transport Package | Box | | Specification | 4*14/16/18/20/25//30/32/35/38/40/5/60/70/80 | | Origin | Guangzhou | | HS Code | 731700 | | Production Capacity | 9900000pieces/Year | | Package Size | 55.00cm * 45.00cm * 10.00cm | | Package Gross Weight | 25.000kg | | Lead Time | 7 days (1 - 100 Tons) To be negotiated ( > 100 Tons) | | Inner packing | Poly bag with fixed quantity. | | Outer packing | Export standard carton, firm and moisture-proof. | | Sample delivery | Within3-7days. | | Bulk order delivery | 15-30 working days. | | Shipping | Mainly by sea, also accept combined transportation. | | Exported to 30+ countries | Australia, Poland, Indonesia, Turkey, EU. | | Category | [Self-Tapping & Thread-Forming Screws](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/) | ## Technical parameters | Product Name | Color Chipboard Screw | | --- | --- | | Thread Diamete | 3.0mm / 3.5mm / 4.0mm | | Length | 16/20/25/30/35/ 40/50/60/70/80mm | | Application | For wood, fiberboard, MDF | ## Description Flat Countersunk Head White/Yellow Galvanized Coarse Thread Self Tapping Screw for Wall Fiberboard and Assembly Chipboard Screws is part of our self-tapping & thread-forming screws range (Screws). ### Key details - **Type:** Common Nail - **Standard:** GB - **Material:** Steel - **Length:** 14/16/18/20/25//30/32/35/38/40/5/60/70/80mm - **Head Type:** Countersunk Head - **Surface Treatment:** Color Zinc Plating - **Product Name:** Color Chipboard Screw - **Product Type:** Chipboard Screw, Self-Tapping Screw Available configurations include standard, material, surface treatment, head type and drive type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 tons at US$1,200 per ton. 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 Flat Countersunk Head White/Yellow Galvanized Coarse Thread Self Tapping Screw for Wall Fiberboard and Assembly Chipboard Screws? The listed minimum order is 100 tons, at US$1,200 per ton. 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 Flat Countersunk Head White/Yellow Galvanized Coarse Thread Self Tapping Screw for Wall Fiberboard and Assembly Chipboard Screws? Type: Common Nail; Standard: GB; Material: Steel; Length: 14/16/18/20/25//30/32/35/38/40/5/60/70/80mm; Head Type: Countersunk Head; Surface Treatment: Color Zinc Plating. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include standard, material, surface treatment, head type 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 self-tapping & thread-forming screws are available? The Self-Tapping & Thread-Forming Screws category lists 4,881 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-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-Tapping & Thread-Forming Screws →](https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-screws/) [![Abrasion Resistance Self-Tapping Stainless-Steel Countersunk Head Screw for Machinery Manufacturing](https://img.engineeringhardware.com/Abrasion-Resistance-Self-Tapping-Stainless-Steel-Countersunk-Head-Screw-for-Machinery-Manufacturing.webp)](https://engineeringhardware.com/product/abrasion-resistance-self-tapping-stainless-steel-countersunk-head-screw-for/) Self-Tapping & Thread-Forming Screws ### [Abrasion Resistance Self-Tapping Stainless-Steel Countersunk Head Screw for Machinery Manufacturing](https://engineeringhardware.com/product/abrasion-resistance-self-tapping-stainless-steel-countersunk-head-screw-for/) GB / DIN / ISO · Carbon Steel, Stainless Steel **US$0.012 – 0.06**MOQ 1,000 pieces [![Stainless Steel Countersunk Torx Screw Flat Head Thread-Forming Screws for Plastic](https://img.engineeringhardware.com/Stainless-Steel-Countersunk-Torx-Screw-Flat-Head-Thread-Forming-Screws-for-Plastic.webp)](https://engineeringhardware.com/product/stainless-steel-countersunk-torx-screw-flat-head-thread-forming-screws-for-plastic/) Self-Tapping & Thread-Forming Screws ### [Stainless Steel Countersunk Torx Screw Flat Head Thread-Forming Screws for Plastic](https://engineeringhardware.com/product/stainless-steel-countersunk-torx-screw-flat-head-thread-forming-screws-for-plastic/) Countersunk Head · DIN **US$0.012 – 0.12**MOQ 1,000 pieces [![Furniture Hardware of Factory Metric Yellow Zinc Plated Carbon Steel Countersunk Chipboard Self Tapping Screw DIN7505 45mm 100 mm](https://img.engineeringhardware.com/Furniture-Hardware-of-Factory-Metric-Yellow-Zinc-Plated-Carbon-Steel-Countersunk-Chipboard-Self-Tapping-Screw-DIN7505-45mm-100-mm.webp)](https://engineeringhardware.com/product/furniture-hardware-of-factory-metric-yellow-zinc-plated-carbon-steel-countersunk/) Self-Tapping & Thread-Forming Screws ### [Furniture Hardware of Factory Metric Yellow Zinc Plated Carbon Steel Countersunk Chipboard Self Tapping Screw DIN7505 45mm 100 mm](https://engineeringhardware.com/product/furniture-hardware-of-factory-metric-yellow-zinc-plated-carbon-steel-countersunk/) Hexagon Head · DIN, GB, ANSI, JIS **US$0.60 – 1.08**MOQ 10 pieces [![Made in China OEM Custom New Products Good Quality Gypsum Board Tornillo Coarse Fine Thread Carbon / Stainless Steel M5-M16 Self Tapping Screws](https://img.engineeringhardware.com/Made-in-China-OEM-Custom-New-Products-Good-Quality-Gypsum-Board-Tornillo-Coarse-Fine-Thread-Carbon-Stainless-Steel-M5-M16-Self-Tapping-Screws.webp)](https://engineeringhardware.com/product/made-in-china-oem-custom-new-products-good-quality-gypsum-board-tornillo-coarse-fine/) Self-Tapping & Thread-Forming Screws ### [Made in China OEM Custom New Products Good Quality Gypsum Board Tornillo Coarse Fine Thread Carbon / Stainless Steel M5-M16 Self Tapping Screws](https://engineeringhardware.com/product/made-in-china-oem-custom-new-products-good-quality-gypsum-board-tornillo-coarse-fine/) Hexagon Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.12 – 1.20**MOQ 1,000 pieces [![Computer PC Case Fan Round Head Self Tapping Mounting Screws](https://img.engineeringhardware.com/Computer-PC-Case-Fan-Round-Head-Self-Tapping-Mounting-Screws.webp)](https://engineeringhardware.com/product/computer-pc-case-fan-round-head-self-tapping-mounting-screws/) Self-Tapping & Thread-Forming Screws ### [Computer PC Case Fan Round Head Self Tapping Mounting Screws](https://engineeringhardware.com/product/computer-pc-case-fan-round-head-self-tapping-mounting-screws/) Flat Head · DIN, GB, ANSI, BSW, JIS **US$0.036 – 0.48**MOQ 1,000 pieces [![Manufacturers Factory Small Thread Forming Screw Self Tapping Screw-1000474](https://img.engineeringhardware.com/Manufacturers-Factory-Small-Thread-Forming-Screw-Self-Tapping-Screw-1000474.webp)](https://engineeringhardware.com/product/manufacturers-factory-small-thread-forming-screw-self-tapping-screw-1000474/) Self-Tapping & Thread-Forming Screws ### [Manufacturers Factory Small Thread Forming Screw Self Tapping Screw-1000474](https://engineeringhardware.com/product/manufacturers-factory-small-thread-forming-screw-self-tapping-screw-1000474/) Auto Fasteners · Carbon Steel **US$0.012 – 0.036**MOQ 20,000 pieces [![Stainless Steel Pan Head Self Tapping Screw for Plastic Workpiece Fixing](https://img.engineeringhardware.com/Stainless-Steel-Pan-Head-Self-Tapping-Screw-for-Plastic-Workpiece-Fixing-2.webp)](https://engineeringhardware.com/product/stainless-steel-pan-head-self-tapping-screw-for-plastic-workpiece-fixing-2/) Self-Tapping & Thread-Forming Screws ### [Stainless Steel Pan Head Self Tapping Screw for Plastic Workpiece Fixing](https://engineeringhardware.com/product/stainless-steel-pan-head-self-tapping-screw-for-plastic-workpiece-fixing-2/) Self Tapping Screw · DIN, GB, ANSI, ISO **US$0.012 – 0.12**MOQ 10,000 pieces [![Spider Gypsum Board Tornillos Drywall Screw Black Phosphated Phillips Bugle Coarse Thread Self Tapping Drywall Screw Nickel Blue Zinc](https://img.engineeringhardware.com/Spider-Gypsum-Board-Tornillos-Drywall-Screw-Black-Phosphated-Phillips-Bugle-Coarse-Thread-Self-Tapping-Drywall-Screw-Nickel-Blue-Zinc.webp)](https://engineeringhardware.com/product/spider-gypsum-board-tornillos-drywall-screw-black-phosphated-phillips-bugle-coarse/) Self-Tapping & Thread-Forming Screws ### [Spider Gypsum Board Tornillos Drywall Screw Black Phosphated Phillips Bugle Coarse Thread Self Tapping Drywall Screw Nickel Blue Zinc](https://engineeringhardware.com/product/spider-gypsum-board-tornillos-drywall-screw-black-phosphated-phillips-bugle-coarse/) Round Head · High Strength Steel **US$1.14 – 1.42**MOQ 1,000 kilograms **US$1,200**MOQ 100 tonsGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Flat%20Countersunk%20Head%20White%2FYellow%20Galvanized%20Coarse%20Thread%20Self%20Tapping%20Screw%20for%20Wall%20Fiberboard%20and%20Assembly%20Chipboard%20Screws%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fflat-countersunk-head-white-yellow-galvanized-coarse-thread-self-tapping-screw-for%2F)