--- title: "Stainless Steel Hexagon Socket Head Shoulder Cap Screw" description: "Stainless Steel Hexagon Socket Head Shoulder Cap Screw — Socket Head Cap & Allen Screws. MOQ 100 pieces, US$0.12 – 12.00." url: https://engineeringhardware.com/product/stainless-steel-hexagon-socket-head-shoulder-cap-screw/ source: Engineering Hardware & Fasteners --- # Stainless Steel Hexagon Socket Head Shoulder Cap Screw [![Stainless Steel Hexagon Socket Head Shoulder Cap Screw](https://img.engineeringhardware.com/Stainless-Steel-Hexagon-Socket-Head-Shoulder-Cap-Screw.webp)](https://img.engineeringhardware.com/Stainless-Steel-Hexagon-Socket-Head-Shoulder-Cap-Screw.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/stainless-steel-hexagon-socket-head-shoulder-cap-screw.md) Model no. **M3-M30** US$0.12 – 12.00 / piece MOQ 100 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** 6.8 - **Size:** Screw Thread d Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Stainless%20Steel%20Hexagon%20Socket%20Head%20Shoulder%20Cap%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fstainless-steel-hexagon-socket-head-shoulder-cap-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. | M3-M30 | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | 6.8 | | Transport Package | Carton+Pallet or Wooden Box | | Specification | M3-M30 | | Origin | China | | HS Code | 7318190000 | | Production Capacity | 500000PCS | | Size | Screw Thread d | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Standard | ISO7379 | | --- | --- | | Diameter | M3-M30 | | sample service | Free sample but freight cost is paid by customers(when sample is in stock) sample fee(when samples need to be customized) | | Material | Stainless steel 304,316,2205,2507,etc | | MOQ | 1000 | | Surface treatment | piain | | Package | Plastic bag, Boxes and cartons, Pallets, Customized | | Price terms | EXW, FOB, CIF, etc. | | Payment terms | T/T, Paypal, L/C, Western union, etc. | | Certifications | ISO 9001 | | Note | Free Samples could be provided for standard fastener | | Screw Thread d | M5 | M6 | M8 | M10 | M12 | M16 | M20 | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | P | Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | | | ds | Nominal Size | 6.5 | 8 | 10 | 13 | 16 | 20 | 25 | | | max | 6.487 | 7.987 | 9.987 | 12.984 | 15.984 | 19.98 | 24.98 | | | | min | 6.451 | 7.951 | 9.951 | 12.941 | 15.941 | 19.928 | 24.928 | | | | b | max | 9.75 | 11.25 | 13.25 | 16.4 | 18.4 | 22.4 | 27.4 | | | min | 9.25 | 10.75 | 12.75 | 15.6 | 17.6 | 21.6 | 26.6 | | | | dk | For plain heads | max | 10 | 13 | 16 | 18 | 24 | 30 | 36 | | For knurled heads | max | 10.22 | 13.27 | 16.27 | 18.27 | 24.33 | 30.33 | 36.39 | | | min | 9.78 | 12.73 | 15.73 | 17.73 | 23.67 | 29.67 | 35.61 | | | | k | max | 4.5 | 5.5 | 7 | 9 | 11 | 14 | 16 | | | min | 4.32 | 5.32 | 6.78 | 8.78 | 10.73 | 13.73 | 15.73 | | | | s | Nominal Size | 3 | 4 | 5 | 6 | 8 | 10 | 12 | | | max | 3.08 | 4.095 | 5.095 | 6.095 | 8.115 | 10.115 | 12.142 | | | | min | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 12.032 | | | | t | min | 2.4 | 3.3 | 4.2 | 4.9 | 6.6 | 8.8 | 10 | | ## Description Stainless Steel Hexagon Socket Head Shoulder Cap Screw is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Round Head - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** Stainless Steel - **Grade:** 6.8 - **Size:** Screw Thread d - **Head Style:** Round - **Groove:** Hexagon - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and size. 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$0.12 – 12.00 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 Stainless Steel Hexagon Socket Head Shoulder Cap Screw? The listed minimum order is 100 pieces, at US$0.12 – 12.00 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 Stainless Steel Hexagon Socket Head Shoulder Cap Screw? Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Stainless Steel; Grade: 6.8; Size: Screw Thread d; 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 size. 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 socket head cap & allen screws are available? The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-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 Socket Head Cap & Allen Screws →](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) [![Black Oxide Button Head Socket Cap Screw – Low Profile Hex Drive](https://img.engineeringhardware.com/Black-Oxide-Button-Head-Socket-Cap-Screw-Low-Profile-Hex-Drive.webp)](https://engineeringhardware.com/product/black-oxide-button-head-socket-cap-screw-low-profile-hex-drive/) Socket Head Cap & Allen Screws ### [Black Oxide Button Head Socket Cap Screw – Low Profile Hex Drive](https://engineeringhardware.com/product/black-oxide-button-head-socket-cap-screw-low-profile-hex-drive/) Round Head · DIN, GB, ISO **US$0.006 – 0.36**MOQ 1,000 pieces [![DIN912 B18.3 Grade 5 Grade 8 Black Dracromet Zinc Nickel Plated Hex Socket Cap Head 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