--- title: "M3 M4 M5 Black Socket Button Flange Screws Hex Socket Cap Screw with Washer" description: "M3 M4 M5 Black Socket Button Flange Screws Hex Socket Cap Screw with Washer — Socket Head Cap & Allen Screws. MOQ 1,000 pieces, US$0.072 – 0.17." url: https://engineeringhardware.com/product/m3-m4-m5-black-socket-button-flange-screws-hex-socket-cap-screw-with-washer/ source: Engineering Hardware & Fasteners --- # M3 M4 M5 Black Socket Button Flange Screws Hex Socket Cap Screw with Washer [![M3 M4 M5 Black Socket Button Flange Screws Hex Socket Cap Screw with Washer](https://img.engineeringhardware.com/M3-M4-M5-Black-Socket-Button-Flange-Screws-Hex-Socket-Cap-Screw-with-Washer.webp)](https://img.engineeringhardware.com/M3-M4-M5-Black-Socket-Button-Flange-Screws-Hex-Socket-Cap-Screw-with-Washer.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/m3-m4-m5-black-socket-button-flange-screws-hex-socket-cap-screw-with-washer.md) Model no. **Socket Button Flange Screws** US$0.072 – 0.17 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN - **Grade:** 8.8 - **Diameter:** 4mm, 5mm, 6mm, 8mm - **Length:** 3 mm-50 mm - **Model Number:** Hex Socket Cap Screw with Washer - **Thread Length:** Customized - **Drive Type:** Phillips Round Pan Head Screw Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M3%20M4%20M5%20Black%20Socket%20Button%20Flange%20Screws%20Hex%20Socket%20Cap%20Screw%20with%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm3-m4-m5-black-socket-button-flange-screws-hex-socket-cap-screw-with-washer%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. | Socket Button Flange Screws | | --- | --- | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN | | Grade | 8.8 | | Application | Lighting, LED, Door Handle etc | | Diameter | 4mm, 5mm, 6mm, 8mm | | Keyword | Hex Socket Flange Screw | | Length | 3 mm-50 mm | | Product Name | M3 M4 M5 Black Socket Button Flange Screws | | Model Number | Hex Socket Cap Screw with Washer | | Thread Length | Customized | | MOQ | 1000PCS | | Place of Origin | Guangdong, China | | Drive Type | Phillips Round Pan Head Screw | | Point | Flat Point | | Head | Button Flange Hex Socket Screws | | Transport Package | Carton | | Specification | Customized | | Origin | Guangdong, China | | HS Code | 7415339000 | | Production Capacity | 1000000 | | Customization | Available | | Material | Carbon Steel | | Type | Round Head | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Standard | ISO, JIS, GB, ANSI, BSW, DIN or non standard as customize | | --- | --- | | Material | 1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420 2.Steel:C45(K1045), C46(K1046),C20 3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40) 4.Bronze: C51000, C52100, C54400, etc 5.Iron: 1213, 12L14,1215 6.Aluminum/ Aluminum Alloy: Al6061, Al6063 etc 7.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045, C435#, 40CrMo, 42CrMo 8.Alloy steel: SCM435,10B21 9. | | Grade | 4.8,6.8,8.8,12.9,etc | | Size | M3-M20 or made to print as customer's specification | | Specifications | Various shape size according to client's requirement | | Thread | unc,unf,metric thread | | Finish | Plain, Zinc Plated(Clear/Blue/Yellow/Black), black oxide, H.D.G, DAC,GOEMET, as custom need | | Payment term | T/T 30 % deposit, 70% balance payment before shipment | | Package | solid cardboard box pack or kit packed | ## Description M3 M4 M5 Black Socket Button Flange Screws Hex Socket Cap Screw with Washer is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Round Head - **Standard:** DIN - **Material:** Carbon Steel - **Grade:** 8.8 - **Diameter:** 4mm, 5mm, 6mm, 8mm - **Length:** 3 mm-50 mm - **Head Style:** Round - **Groove:** Hexagon Available configurations include head style, standard, grade, diameter and length. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1,000 pieces at US$0.072 – 0.17 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 M3 M4 M5 Black Socket Button Flange Screws Hex Socket Cap Screw with Washer? The listed minimum order is 1,000 pieces, at US$0.072 – 0.17 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 M3 M4 M5 Black Socket Button Flange Screws Hex Socket Cap Screw with Washer? Type: Round Head; Standard: DIN; Material: Carbon Steel; Grade: 8.8; Diameter: 4mm, 5mm, 6mm, 8mm; Length: 3 mm-50 mm. 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, diameter and length. 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 & 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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/) [![M56 Bolt M60 M64 MDF Ss Bolts The Unc 10.9 108 10mm 25mm 3/8 307A 3mm 50mm 7/16 7mm 904L A307 A325 ASTM Axle Body Iron Nlgs](https://img.engineeringhardware.com/M56-Bolt-M60-M64-MDF-Ss-Bolts-The-Unc-10-9-108-10mm-25mm-3-8-307A-3mm-50mm-7-16-7mm-904L-A307-A325-ASTM-Axle-Body-Iron-Nlgs.webp)](https://engineeringhardware.com/product/m56-bolt-m60-m64-mdf-ss-bolts-the-unc-10-9-108-10mm-25mm-3-8-307a-3mm-50mm-7-16-7mm/) Socket Head Cap & Allen Screws ### [M56 Bolt M60 M64 MDF Ss Bolts The Unc 10.9 108 10mm 25mm 3/8 307A 3mm 50mm 7/16 7mm 904L A307 A325 ASTM Axle Body Iron Nlgs](https://engineeringhardware.com/product/m56-bolt-m60-m64-mdf-ss-bolts-the-unc-10-9-108-10mm-25mm-3-8-307a-3mm-50mm-7-16-7mm/) Socket Head Cap Screw · DIN, GB, ANSI, BSW, JIS, 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