--- title: "Knurling Hex Socket Head Black Cap Screw" description: "Knurling Hex Socket Head Black Cap Screw — Socket Head Cap & Allen Screws. Material: Carbon Steel, Grade: 8.8. MOQ 10,000 pieces, US$0.012 – 0.12." url: https://engineeringhardware.com/product/knurling-hex-socket-head-black-cap-screw/ source: Engineering Hardware & Fasteners --- # Knurling Hex Socket Head Black Cap Screw [![Knurling Hex Socket Head Black Cap Screw](https://img.engineeringhardware.com/Knurling-Hex-Socket-Head-Black-Cap-Screw.webp)](https://img.engineeringhardware.com/Knurling-Hex-Socket-Head-Black-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/knurling-hex-socket-head-black-cap-screw.md) Model no. **LS** US$0.012 – 0.12 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Hexagonal - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST, ISO - **Grade:** 8.8 - **Surface Treatment:** Black Zinc Plated - **Package Size:** 24.00cm * 21.00cm * 14.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Knurling%20Hex%20Socket%20Head%20Black%20Cap%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fknurling-hex-socket-head-black-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 | Carbon Steel | | Type | Round Head | | Model NO. | LS | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, GB, ANSI, BSW, JIS, GOST, ISO | | Grade | 8.8 | | Surface Treatment | Black Zinc Plated | | Price Term | EXW, Fob, CIF, CFR, etc | | Processing Way | According to Customer's Samples and Requirements | | Delivery Time | 15-17 Working Days After Confirming The Sample | | Transport Package | Carton: 32*24*14cm/24*21*14cm Pallet: 1*120*15cm | | Specification | M3*20mm | | Origin | China | | Production Capacity | 500000PCS/Month | | Package Size | 24.00cm * 21.00cm * 14.00cm | | Package Gross Weight | 10.000kg | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Parameter | Our Capability | | --- | --- | | Thread Types | Metric, UNC, UNF, Whitworth, BSW, Self-Tapping | | Head Styles | Pan, Flat, Oval, Truss, Hex, Socket Cap, Custom | | Drive Types | Phillips, Slotted, Hex, Torx (Pin-in), Square, One-way | | Materials | Carbon Steel (4.8-12.9), SS 201/304/316, Brass, Aluminum, Titanium | | Surface Finish | Plain, (RoHS)Zinc Plated, HDG, Dacromet, Geomet, Black Oxide, PTFE Coated | | Executive Standard | ISO, GB, DIN, JIS, ANSI, BSW, IFI... | ## Description Knurling Hex Socket Head Black 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, ISO - **Material:** Carbon Steel - **Grade:** 8.8 - **Head Style:** Hexagonal - **Groove:** Hexagon - **Surface Treatment:** Black Zinc Plated - **Connection:** Common Bolt 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 10,000 pieces at US$0.012 – 0.12 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 Knurling Hex Socket Head Black Cap Screw? The listed minimum order is 10,000 pieces, at US$0.012 – 0.12 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 Knurling Hex Socket Head Black Cap Screw? Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST, ISO; Material: Carbon Steel; Grade: 8.8; Head Style: Hexagonal; 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 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 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/) [![DIN 912 Stainless Steel 304 Hex Socket Head Cap Screws A2-70 Full Thread](https://img.engineeringhardware.com/DIN-912-Stainless-Steel-304-Hex-Socket-Head-Cap-Screws-A2-70-Full-Thread.webp)](https://engineeringhardware.com/product/din-912-stainless-steel-304-hex-socket-head-cap-screws-a2-70-full-thread/) Socket Head Cap & Allen Screws ### [DIN 912 Stainless Steel 304 Hex Socket Head Cap Screws A2-70 Full Thread](https://engineeringhardware.com/product/din-912-stainless-steel-304-hex-socket-head-cap-screws-a2-70-full-thread/) Hexagon Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.036**MOQ 100 pieces [![DIN912 Cr Free Hex Socket Round Head Cylindrical Head Allen 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