--- title: "Countersunk Head Csk Self Drilling Screws with Wing" description: "Countersunk Head Csk Self Drilling Screws with Wing — Self-Drilling & Tek Screws. Material: Carbon Steel, Standard: DIN. MOQ 1 ton, US$1,440 – 1,500." url: https://engineeringhardware.com/product/countersunk-head-csk-self-drilling-screws-with-wing/ source: Engineering Hardware & Fasteners --- # Countersunk Head Csk Self Drilling Screws with Wing [![Countersunk Head Csk Self Drilling Screws with Wing](https://img.engineeringhardware.com/Countersunk-Head-Csk-Self-Drilling-Screws-with-Wing.webp)](https://img.engineeringhardware.com/Countersunk-Head-Csk-Self-Drilling-Screws-with-Wing.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/countersunk-head-csk-self-drilling-screws-with-wing.md) Model no. **20MM** | **US$1,500**1–24 tons | **US$1,440**25+ tons | | --- | --- | MOQ 1 ton · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN - **Grade:** 9.8 - **Finish:** Galvanized (Various of Color), Dacromet, Black, M - **Screw Material:** C1022/C1022A/Stainless Steel - **Head Type:** Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS - **Surface:** Black Oxide, Zinc Plated, Zinc-Aluminum Coated... - **Drive Type:** Hexagon Drive or Phillip Drive Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Countersunk%20Head%20Csk%20Self%20Drilling%20Screws%20with%20Wing%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcountersunk-head-csk-self-drilling-screws-with-wing%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. | 20MM | | --- | --- | | Groove | Philips | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN | | Grade | 9.8 | | Model No. | Self Drilling Screw | | Finish | Galvanized (Various of Color), Dacromet, Black, M | | Screw Material | C1022/C1022A/Stainless Steel | | Head Type | Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS | | Surface | Black Oxide, Zinc Plated, Zinc-Aluminum Coated... | | Drive Type | Hexagon Drive or Phillip Drive | | Color | Yellow, White, Blue, Black | | Features | Good Anti-Corrosion Ability | | Product Name | Countersunk Csk Head Self Drilling Screws | | Sample | Provide | | Transport Package | 1000pieces/Bag or Box or Carton | | Specification | 3.5X25 | | Origin | Tianjin of China | | Production Capacity | 10000tons Per Year | | Package Size | 5.00cm * 3.00cm * 2.00cm | | Package Gross Weight | 0.500kg | | Customization | Available | | Material | Carbon Steel | | Type | Countersunk Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Product Photos | Countersunk Head CSK Self Drilling Screws With wing | | surface treatment | Zinc Plated (White Blue Zinc Plated, Yellow Zinc, White Zinc Plated) | | Diameter | 3.5mm, 3.9mm, 4.2mm, 4.8mm ··· | | Driver types | Phillips | | Rib(Nib) | Customized | | Packing Details | Packing, 1000pieces/box,follow customer's requirement | | Delivery Details | 3-30 days after order of window screw placed | | Products Show | Welcome your inquiry of our flat head self drilling screws! | | Category | [Self-Drilling & Tek Screws](https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-screws/) | ## Technical parameters | Material | Carbon steel,Stainless Steel | | --- | --- | | Length | 16mm-50mm | | Head Type | countersunk head. | | Finish | white/blue zinc plated etc. | | stock | depend on the size and quantity | | Packing | 1.Bulk paking 25 kg in a carton or bag; 2.1 kg in a box/bag,25 boxes/bags in a carton,then pallet; 3. Normal Packing: 1000pcs/500pcs/250pcs per small box. then small boxes into cartons. | | MOQ | one ton | | MM | MM | MM | MM | MM | | --- | --- | --- | --- | --- | | 3.5*16 | 3.9*19 | 4.2*16 | 4.2*38 | 4.8*32 | | 3.5*19 | 3.9*25 | 4.2*19 | 4.8*16 | 4.8*38 | | 3.5*25 | 3.9*32 | 4.2*25 | 4.8*19 | 4.8*45 | | 3.9*16 | 3.9*38 | 4.2*32 | 4.8*25 | 4.8*50 | ## Description Countersunk Head Csk Self Drilling Screws with Wing is part of our self-drilling & tek screws range (Screws). ### Key details - **Type:** Countersunk Head - **Standard:** DIN - **Material:** Carbon Steel - **Grade:** 9.8 - **Diameter:** 3.5mm, 3.9mm, 4.2mm, 4.8mm ··· - **Head Type:** Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS - **Head Style:** Round - **Groove:** Philips Available configurations include head style, standard, grade, finish and screw material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 ton at US$1,440 – 1,500 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 Countersunk Head Csk Self Drilling Screws with Wing? The listed minimum order is 1 ton, at US$1,440 – 1,500 per ton. 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$1,500 for 1–24 tons; US$1,440 for 25+ tons. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Countersunk Head Csk Self Drilling Screws with Wing? Type: Countersunk Head; Standard: DIN; Material: Carbon Steel; Grade: 9.8; Diameter: 3.5mm, 3.9mm, 4.2mm, 4.8mm ···; Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS. 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, finish and screw material. 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 & 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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/) [![Bugle Head Find Thread Philips Drive Carbon Steel Drywall Self Drilling Screw](https://img.engineeringhardware.com/Bugle-Head-Find-Thread-Philips-Drive-Carbon-Steel-Drywall-Self-Drilling-Screw.webp)](https://engineeringhardware.com/product/bugle-head-find-thread-philips-drive-carbon-steel-drywall-self-drilling-screw/) Self-Drilling & Tek Screws ### [Bugle Head Find Thread Philips Drive Carbon Steel Drywall Self Drilling Screw](https://engineeringhardware.com/product/bugle-head-find-thread-philips-drive-carbon-steel-drywall-self-drilling-screw/) Carbon Steel · ISO, GS, RoHS, CE **US$0.0012 – 0.012**MOQ 5,000 pieces [![Hex Flange Wood Screw/Compound Pad Drilling Nail/Outer Hex Self-Drilling Screw/Self-Tapping Wood Screw/Building Material Self-Tapping 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**US$1,440 – 1,500**MOQ 1 tonGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Countersunk%20Head%20Csk%20Self%20Drilling%20Screws%20with%20Wing%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcountersunk-head-csk-self-drilling-screws-with-wing%2F)