--- title: "ISO14581 Hexagon Socket Countersunk Head Screw" description: "ISO14581 Hexagon Socket Countersunk Head Screw — Countersunk & Flat-Head Machine Screws. MOQ 1,000 pieces, US$0.012 – 0.11." url: https://engineeringhardware.com/product/iso14581-hexagon-socket-countersunk-head-screw/ source: Engineering Hardware & Fasteners --- # ISO14581 Hexagon Socket Countersunk Head Screw [![ISO14581 Hexagon Socket Countersunk Head Screw](https://img.engineeringhardware.com/ISO14581-Hexagon-Socket-Countersunk-Head-Screw.webp)](https://img.engineeringhardware.com/ISO14581-Hexagon-Socket-Countersunk-Head-Screw.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/iso14581-hexagon-socket-countersunk-head-screw.md) Model no. **WMS01** US$0.012 – 0.11 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** 12.9 - **Surface Treatment:** Black/Gray Phophasted, Yellow Zinc - **Drive:** Philips Drive - **Package Size:** 27.00cm * 20.00cm * 17.00cm - **Diameter:** M2M2.5M3M4M5M6M8M10M12 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20ISO14581%20Hexagon%20Socket%20Countersunk%20Head%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fiso14581-hexagon-socket-countersunk-head-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 | Stainless Steel | | Type | Round Head | | Model NO. | WMS01 | | Groove | Cross | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | 12.9 | | Surface Treatment | Black/Gray Phophasted, Yellow Zinc | | Drive | Philips Drive | | Transport Package | in Bulk or in Small Box, Small Box+Carton | | Specification | 3.5mm-4.8mm | | Origin | China | | HS Code | 7318120090 | | Production Capacity | 1500tons/Year | | Package Size | 27.00cm * 20.00cm * 17.00cm | | Package Gross Weight | 25.000kg | | Product Name | A2-70 ISO14581 stainless steel countersunk csk head torx machine screw | | Diameter | M2M2.5M3M4M5M6M8M10M12 | | Surface | Plain, Zinc plated (blue, white, black, yellow), nickle plated, HDG, dacromet | | Head type | flat head, countersunk head (csk head) , pan head, button head, hex head, hex socket head, combo head, torx head, etc | | Sample order | pp zipper bag, small box | | Bulk order | small box+ cartons + wooden Pallet or according to customer's requirement; | | Trade term | EXW/FOB/CIF/CFR/CNF | | Payment term | T/T,Western Union,paypal | | Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) | ## Technical parameters | Product Name: | A2-70 ISO14581 stainless steel countersunk csk head torx machine screw | | --- | --- | | Diameter : | M2M2.5M3M4M5M6M8M10M12 | | Material: | carbon steel, alloy steel, stainless steel 201/304/316, | | Standard: | ISO,DIN, ANSI/ASME, JIS ,GB | | Surface: | Plain, Zinc plated (blue, white, black, yellow), nickle plated, HDG, dacromet | | Head type: | flat head, countersunk head (csk head) , pan head, button head, hex head, hex socket head, combo head, torx head, etc | | Packaging: | Sample order: pp zipper bag, small box Bulk order: small box+ cartons + wooden Pallet or according to customer's requirement; | | Trade term: | EXW/FOB/CIF/CFR/CNF | | Payment term: | T/T,Western Union,paypal | | Advantages | • Professional and experienced design and sales team • Response within 2 hours • Full stock for almost standard fasteners • Fast delivery and response • Samples available | | Inch Size | Metric Size (mm) | Inch Size | Metric Size (mm) | Inch Size | Metric Size (mm) | Inch Size | Metric Size (mm) | | --- | --- | --- | --- | --- | --- | --- | --- | | 6x5/8" | 3.5X16 | 6x2-1/2" | 3.5X63 | 8x3/4" | 4.2x19 | 8x3" | 4.2X75 | | 6x3/4" | 3.5x19 | 6x3" | 3.5X75 | 4.2X20 | 4.2X76 | | | | 3.5X20 | 7x1" | 3.9X25 | 8x1" | 4.2X25 | 4.2X80 | | | | 6x1" | 3.5X25 | 3.9X30 | 8x1-1/8" | 4.2X28 | 4.2X90 | | | | 6x1-1/8" | 3.5X28 | 7x1-1/4" | 3.9X32 | 4.2X30 | 10x4" | 4.8X100 | | | 3.5X30 | 7x1-3/8" | 3.9X35 | 8x1-1/4" | 4.2X32 | 4.8X110 | | | | 6x1-1/4" | 3.5X32 | 7x1-1/2" | 3.9X38 | 8x1-3/8" | 4.2X35 | 4.8X115 | | | 6x1-3/8" | 3.5X35 | 3.9X40 | 8x1-1/2" | 4.2X38 | 4.8X120 | | | | 6x1-1/2" | 3.5X38 | 3.9X42 | 4.2X40 | 10x5" | 4.8X125 | | | | 3.5X40 | 7x1-3/4" | 3.9X45 | 8x1-3/4" | 4.2X45 | 4.8X127 | | | | 6x1-5/8" | 3.5X41 | 7x2" | 3.9X50 | 8x2" | 4.2X50 | 4.8X130 | | | 3.5X42 | 3.9X55 | 4.2X55 | 4.8X70 | | | | | | 6x1-3/4" | 3.5X45 | 3.9X60 | 8x2-1/4" | 4.2X57 | 10x3" | 4.8X75 | | | 6x2" | 3.5X50 | 7x2-1/2" | 3.9X63 | 4.2X60 | 4.8X80 | | | | 3.5X51 | 3.9X70 | 8x2-1/2" | 4.2X63 | 4.8X90 | | | | | 6x2-1/8" | 3.5x54 | 7x3" | 3.9X75 | 4.2X65 | 4.8X95 | | | | 3.5X55 | 8x4" | 4.2X100 | 4.2X70 | | | | | | 6x2-1/4" | 3.5X57 | 8x5/8" | 4.2X16 | | | | | | 3.5X60 | | | | | | | | ## Description ISO14581 Hexagon Socket Countersunk Head Screw is part of our countersunk & flat-head machine screws range (Screws). ### Key details - **Type:** Round Head - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** Stainless Steel - **Grade:** 12.9 - **Diameter:** M2M2.5M3M4M5M6M8M10M12 - **Head Style:** Round - **Groove:** Cross - **Drive:** Philips Drive Available configurations include material, head style, standard, grade and surface treatment. 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$0.012 – 0.11 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 ISO14581 Hexagon Socket Countersunk Head Screw? The listed minimum order is 1,000 pieces, at US$0.012 – 0.11 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 ISO14581 Hexagon Socket Countersunk Head Screw? Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Stainless Steel; Grade: 12.9; Diameter: M2M2.5M3M4M5M6M8M10M12; Head Style: Round. 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 surface treatment. 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 countersunk & flat-head machine screws are available? The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-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 Countersunk & Flat-Head Machine Screws →](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) [![High Strength Aluminum Stainless Steel Open Dnd Blind Rivets](https://img.engineeringhardware.com/High-Strength-Aluminum-Stainless-Steel-Open-Dnd-Blind-Rivets.webp)](https://engineeringhardware.com/product/high-strength-aluminum-stainless-steel-open-dnd-blind-rivets/) Countersunk & Flat-Head Machine Screws ### [High Strength Aluminum Stainless Steel Open Dnd Blind Rivets](https://engineeringhardware.com/product/high-strength-aluminum-stainless-steel-open-dnd-blind-rivets/) Countersunk Head · Steel **US$0.006**MOQ 100,000 pieces [![DIN/GB/ANSI/JIS Custom Black Flat Head Knurled Knob Screw for Hand Tightening Applications in Industrial 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