--- title: "Cylindrical Hexagon Socket Head Combination Screws" description: "Cylindrical Hexagon Socket Head Combination Screws — Socket Head Cap & Allen Screws. Material: Stainless Steel, Grade: 8.8. MOQ 10 pieces, US$0.072 – 2.40." url: https://engineeringhardware.com/product/cylindrical-hexagon-socket-head-combination-screws-2/ source: Engineering Hardware & Fasteners --- # Cylindrical Hexagon Socket Head Combination Screws [![Cylindrical Hexagon Socket Head Combination Screws](https://img.engineeringhardware.com/Cylindrical-Hexagon-Socket-Head-Combination-Screws-2.webp)](https://img.engineeringhardware.com/Cylindrical-Hexagon-Socket-Head-Combination-Screws-2.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/cylindrical-hexagon-socket-head-combination-screws-2.md) Model no. **internal hex head** US$0.072 – 2.40 / piece MOQ 10 pieces · Final price confirmed in your quote - **OEM Custom:** Accept - **ODM Custom:** Accept - **Material:** Stainless Steel - **Grade:** 8.8 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Cylindrical%20Hexagon%20Socket%20Head%20Combination%20Screws%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcylindrical-hexagon-socket-head-combination-screws-2%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. | internal hex head | | --- | --- | | Application | Plastic, Metal, Sheet Metal, Concrete, Paneling | | OEM Custom | Accept | | ODM Custom | Accept | | Transport Package | Box/Bag | | Specification | 3.5-6.3 | | Origin | China | | Customization | Available | | Material | Stainless Steel | | Grade | 8.8 | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | External Expansion Screw (Most Commonly Used) | M6 | Φ10 | Screw rod diameter + 4mm | | --- | --- | --- | --- | | External Expansion Screw (Most Commonly Used) | M8 | Φ12 | Screw rod diameter + 4mm | | External Expansion Screw (Most Commonly Used) | M10 | Φ14 | Screw rod diameter + 4mm | | External Expansion Screw (Most Commonly Used) | M12 | Φ16 | Screw rod diameter + 4mm | | External Expansion Screw (Most Commonly Used) | M14 | Φ18 | Screw rod diameter + 4mm | | External Expansion Screw (Most Commonly Used) | M16 | Φ20 | Screw rod diameter + 4mm | | Internal Expansion / Pop Anchor | M6 | Φ10 | - | | Internal Expansion / Pop Anchor | M8 | Φ12 | - | | Internal Expansion / Pop Anchor | M10 | Φ14 | - | | Internal Expansion / Pop Anchor | M12 | Φ16 | - | | Heavy-Duty Car Repair Expansion Anchor | M8 | Φ8 | Screw rod diameter = Drill Bit diameter | | Heavy-Duty Car Repair Expansion Anchor | M10 | Φ10 | Screw rod diameter = Drill Bit diameter | | Heavy-Duty Car Repair Expansion Anchor | M12 | Φ12 | Screw rod diameter = Drill Bit diameter | | Heavy-Duty Car Repair Expansion Anchor | M16 | Φ16 | Screw rod diameter = Drill Bit diameter | | Plastic Expansion Tube (Rubber Plug) | 6mm | Φ6 | Drill Bit diameter matches the expansion tube diameter | | Plastic Expansion Tube (Rubber Plug) | 8mm | Φ8 | Drill Bit diameter matches the expansion tube diameter | | Plastic Expansion Tube (Rubber Plug) | 10mm | Φ10 | Drill Bit diameter matches the expansion tube diameter | | Chemical Anchor Bolt | M8 | Φ12 | - | | Chemical Anchor Bolt | M10 | Φ14 | - | | Chemical Anchor Bolt | M12 | Φ16 | - | | Chemical Anchor Bolt | M16 | Φ20 | - | ## Description Cylindrical Hexagon Socket Head Combination Screws is part of our socket head cap & allen screws range (Screws). ### Key details - **Material:** Stainless Steel - **Grade:** 8.8 - **Application:** Plastic, Metal, Sheet Metal, Concrete, Paneling - **OEM Custom:** Accept - **ODM Custom:** Accept Available configurations include oem custom, odm custom, material and grade. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10 pieces at US$0.072 – 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 Cylindrical Hexagon Socket Head Combination Screws? The listed minimum order is 10 pieces, at US$0.072 – 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 Cylindrical Hexagon Socket Head Combination Screws? Material: Stainless Steel; Grade: 8.8; Application: Plastic, Metal, Sheet Metal, Concrete, Paneling; OEM Custom: Accept; ODM Custom: Accept. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include oem custom, odm custom, material and grade. 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/) ## 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