--- title: "Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch" description: "Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch — Socket Head Cap & Allen Screws. MOQ 50,000 pieces, US$0.006 – 6.00." url: https://engineeringhardware.com/product/black-oxide-hex-socket-head-cap-half-thread-machine-screw-with-nylon-patch/ source: Engineering Hardware & Fasteners --- # Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch [![Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch](https://img.engineeringhardware.com/Black-Oxide-Hex-Socket-Head-Cap-Half-Thread-Machine-Screw-with-Nylon-Patch.webp)](https://img.engineeringhardware.com/Black-Oxide-Hex-Socket-Head-Cap-Half-Thread-Machine-Screw-with-Nylon-Patch.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/black-oxide-hex-socket-head-cap-half-thread-machine-screw-with-nylon-patch.md) US$0.006 – 6.00 / piece MOQ 50,000 pieces · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN, Accrording to The Drawing or Samples. - **Grade:** 4.8 - **Size:** M3 - M20 / Custom - **Thread Type:** Standard Metric - **Surface Treatment:** Black Oxide - **Package Size:** 28.00cm * 18.00cm * 14.00cm - **Material:** Carbon 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%20Black%20Oxide%20Hex%20Socket%20Head%20Cap%20Half%20Thread%20Machine%20Screw%20with%20Nylon%20Patch%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fblack-oxide-hex-socket-head-cap-half-thread-machine-screw-with-nylon-patch%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 | Groove | Hex | | --- | --- | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, Accrording to The Drawing or Samples. | | Grade | 4.8 | | Keywords | Machine Screws | | Size | M3 - M20 / Custom | | Thread Type | Standard Metric | | MOQ | 100000PCS | | Surface Treatment | Black Oxide | | Transport Package | Standard Packaging or Customized | | Specification | Standard Specifications or Customized | | Origin | Zhejiang, China | | HS Code | 7318159090 | | Production Capacity | 60000000PCS/Year | | Package Size | 28.00cm * 18.00cm * 14.00cm | | Package Gross Weight | 20.000kg | | Customization | Available | | Material | Carbon Steel | | Type | Cheese Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Drive Type | Hex socket (Allen key) drive for easy installation and high torque transmission | | Thread Design | Semi-threaded (half thread) configuration for secure load distribution | | Locking System | Pre-applied blue nylon patch ensures consistent anti-loosening performance | | Material Options | Carbon steel (Grade 8.8, 10.9, 12.9) to meet different strength requirements | | Standards Compliance | Manufactured to ISO 4762 / DIN 912 specifications for universal compatibility | | Quality Assurance | All products undergo rigorous testing and inspection to ensure compliance with international standards. | | Competitive Pricing | Our advanced manufacturing processes allow us to provide high-quality products at competitive prices. | | Timely Delivery | With a large production capacity and efficient supply chain, we guarantee on-time delivery to meet your project deadlines. | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | TECHNICAL PARAMETERS | | | --- | --- | | Product Name | Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch | | Key Word | Machine Screws | | Material | Carbon Steel | | Drive Type | Hex Drive | | Head Type | Cup Head | | Thread Type | Metric Coarse Thread (M2, M2.5, M3, M4, M5, M6, M8, M10, M12) | | Length Range | 4mm – 100mm (customizable) | | Finish | Black Oxide | | Diameter Range | M2-M20 | | Corrosion Resistance | Excellent, suitable for outdoor, marine, and chemical environments | | Packaging | Bulk in cartons, or small packs (100/500/1000 pcs per bag/box) | | Lead Time | 7–15 days for standard orders; 20–30 days for custom sizes | | Certifications | ISO 9001, RoHS compliant | ## Description Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Cheese Head - **Standard:** DIN, Accrording to The Drawing or Samples. - **Material:** Carbon Steel - **Grade:** 4.8 - **Size:** M3 – M20 / Custom - **Head Style:** Round - **Groove:** Hex - **Surface Treatment:** Black Oxide Available configurations include head style, standard, grade, size and thread type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 50,000 pieces at US$0.006 – 6.00 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 Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch? The listed minimum order is 50,000 pieces, at US$0.006 – 6.00 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 Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch? Type: Cheese Head; Standard: DIN, Accrording to The Drawing or Samples.; Material: Carbon Steel; Grade: 4.8; Size: M3 - M20 / Custom; 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 head style, standard, grade, size and thread type. 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/) [![Premium Gr5 Titanium Alloy Socket Head Screws for Bone Fixation](https://img.engineeringhardware.com/Premium-Gr5-Titanium-Alloy-Socket-Head-Screws-for-Bone-Fixation.webp)](https://engineeringhardware.com/product/premium-gr5-titanium-alloy-socket-head-screws-for-bone-fixation/) Socket Head Cap & Allen Screws ### [Premium Gr5 Titanium Alloy Socket Head Screws for Bone Fixation](https://engineeringhardware.com/product/premium-gr5-titanium-alloy-socket-head-screws-for-bone-fixation/) Titanium Alloy Screws · ASTM B381 **US$0.96 – 1.20**MOQ 100 pieces [![China Supplier High Grade DIN912 Socket Head Cap Screw](https://img.engineeringhardware.com/China-Supplier-High-Grade-DIN912-Socket-Head-Cap-Screw.webp)](https://engineeringhardware.com/product/china-supplier-high-grade-din912-socket-head-cap-screw/) Socket Head Cap & Allen Screws ### [China Supplier High Grade DIN912 Socket Head Cap Screw](https://engineeringhardware.com/product/china-supplier-high-grade-din912-socket-head-cap-screw/) Round Head · DIN, ANSI, BSW **US$0.012**MOQ 30,000 pieces [![Black Nylon Hexagon Socket Cap Head Screws, Plastic Knurled Cylinder Head Machine Screws](https://img.engineeringhardware.com/Black-Nylon-Hexagon-Socket-Cap-Head-Screws-Plastic-Knurled-Cylinder-Head-Machine-Screws.webp)](https://engineeringhardware.com/product/black-nylon-hexagon-socket-cap-head-screws-plastic-knurled-cylinder-head-machine/) Socket Head Cap & Allen Screws ### [Black Nylon Hexagon Socket Cap Head Screws, Plastic Knurled Cylinder Head Machine Screws](https://engineeringhardware.com/product/black-nylon-hexagon-socket-cap-head-screws-plastic-knurled-cylinder-head-machine/) Screw · DIN, ISO **US$0.12 – 0.24**MOQ 500 pieces [![ISO7380 Hex Socket Button Head Screw, Stainless Steel / Carbon Steel Allen Round Head Machine Screw](https://img.engineeringhardware.com/ISO7380-Hex-Socket-Button-Head-Screw-Stainless-Steel-Carbon-Steel-Allen-Round-Head-Machine-Screw.webp)](https://engineeringhardware.com/product/iso7380-hex-socket-button-head-screw-stainless-steel-carbon-steel-allen-round-head/) Socket Head Cap & Allen Screws ### [ISO7380 Hex Socket Button Head Screw, Stainless Steel / Carbon Steel Allen Round Head Machine Screw](https://engineeringhardware.com/product/iso7380-hex-socket-button-head-screw-stainless-steel-carbon-steel-allen-round-head/) DIN, ANSI, GB, JIS, BSW, GOST · Low Carbon Steel **US$0.012**MOQ 10,000 pieces [![Oppu Hexagon Socket Head Fasteners M3/M4/M6/M8-M20 Made in Tianjin](https://img.engineeringhardware.com/Oppu-Hexagon-Socket-Head-Fasteners-M3-M4-M6-M8-M20-Made-in-Tianjin.webp)](https://engineeringhardware.com/product/oppu-hexagon-socket-head-fasteners-m3-m4-m6-m8-m20-made-in-tianjin/) Socket Head Cap & Allen Screws ### [Oppu Hexagon Socket Head Fasteners M3/M4/M6/M8-M20 Made in Tianjin](https://engineeringhardware.com/product/oppu-hexagon-socket-head-fasteners-m3-m4-m6-m8-m20-made-in-tianjin/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.006 – 0.036**MOQ 1,000 pieces [![Stainess Steel ISO 12474 H. 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