--- title: "Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis" description: "Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener f… — Quarter-Turn, Captive & Panel Fasteners." url: https://engineeringhardware.com/product/partially-threaded-hexagon-socket-captive-screw-sus304-knurled-cup-head-allen/ source: Engineering Hardware & Fasteners --- # Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis [![Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis](https://img.engineeringhardware.com/Partially-Threaded-Hexagon-Socket-Captive-Screw-SUS304-Knurled-Cup-Head-Allen-Fastener-for-Industrial-Chassis.webp)](https://img.engineeringhardware.com/Partially-Threaded-Hexagon-Socket-Captive-Screw-SUS304-Knurled-Cup-Head-Allen-Fastener-for-Industrial-Chassis.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Specialty Fasteners › Quarter-Turn, Captive & Panel Fasteners](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/partially-threaded-hexagon-socket-captive-screw-sus304-knurled-cup-head-allen.md) Model no. **M3/M4/M5/M6/M8/M10/M12** US$0.012 – 2.40 / piece MOQ 100 pieces · Final price confirmed in your quote - **Head Style:** Cup Head - **Standard:** DIN - **Grade:** a - **Package Size:** 10.00cm * 10.00cm * 10.00cm - **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%20Partially%20Threaded%20Hexagon%20Socket%20Captive%20Screw%20SUS304%20Knurled%20Cup%20Head%20Allen%20Fastener%20for%20Industrial%20Chassis%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpartially-threaded-hexagon-socket-captive-screw-sus304-knurled-cup-head-allen%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. | M3/M4/M5/M6/M8/M10/M12 | | --- | --- | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Cup Head | | Standard | DIN | | Grade | a | | Transport Package | Cartons&Pallets or According to Customer's Require | | Specification | M3/M4/M5/M6/M8/M10/M12 | | Origin | Guangdong | | Package Size | 10.00cm * 10.00cm * 10.00cm | | Package Gross Weight | 2.000kg | | Customization | Available | | Material | Stainless Steel | | Type | Cup Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Important Notice | Shipping cost auto-calculated by the system is for reference only. Please kindly contact us to confirm exact freight and specifications prior to payment. Orders placed without prior communication shall not be honored. | | Category | [Quarter-Turn, Captive & Panel Fasteners](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) | ## Technical parameters | Material | Main Features | Typical Applications | | --- | --- | --- | | 304 Stainless Steel | Anti-corrosion, rust-proof | Electronic equipment, household appliances, general machinery | | 316 Stainless Steel | High corrosion resistance | Marine equipment, chemical industry, outdoor facilities | | Carbon Steel | High strength, cost-effective | Construction, heavy machinery, automotive industry | | Brass | Conductive, anti-rust, decorative | Electrical components, plumbing, decorative hardware | | Aluminum | Lightweight, anti-corrosion | Aviation, new energy vehicles, lightweight equipment | ## Description Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis is part of our quarter-turn, captive & panel fasteners range (Specialty Fasteners). ### Key details - **Type:** Cup Head - **Standard:** DIN - **Material:** Stainless Steel - **Grade:** a - **Head Style:** Cup Head - **Groove:** Hexagon - **Connection:** Common Bolt Available configurations include head style, standard, grade, package size and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$0.012 – 2.40 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 Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis? The listed minimum order is 100 pieces, at US$0.012 – 2.40 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 Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis? Type: Cup Head; Standard: DIN; Material: Stainless Steel; Grade: a; Head Style: Cup Head; Groove: Hexagon. 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, package size and 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 quarter-turn, captive & panel fasteners are available? The Quarter-Turn, Captive & Panel Fasteners category lists 403 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) 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 Quarter-Turn, Captive & Panel Fasteners →](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) [![Antiskid Diamond Knurled Low Cylinder Head Inox A2 A4 Captive Screws](https://img.engineeringhardware.com/Antiskid-Diamond-Knurled-Low-Cylinder-Head-Inox-A2-A4-Captive-Screws.webp)](https://engineeringhardware.com/product/antiskid-diamond-knurled-low-cylinder-head-inox-a2-a4-captive-screws/) Quarter-Turn, Captive & Panel Fasteners ### [Antiskid Diamond Knurled Low Cylinder Head Inox A2 A4 Captive Screws](https://engineeringhardware.com/product/antiskid-diamond-knurled-low-cylinder-head-inox-a2-a4-captive-screws/) Countersunk Head · DIN, GB, JIS, ISO **US$0.012 – 0.12**MOQ 3,000 pieces [![Custom OEM Screw with Captive Washer Precision CNC Machined Machine Screw 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