--- title: "M3 M4 M5 Cap Head Captive Screws Hex Socket Screw" description: "M3 M4 M5 Cap Head Captive Screws Hex Socket Screw — Quarter-Turn, Captive & Panel Fasteners. MOQ 1,000 pieces, US$0.048 – 0.24." url: https://engineeringhardware.com/product/m3-m4-m5-cap-head-captive-screws-hex-socket-screw/ source: Engineering Hardware & Fasteners --- # M3 M4 M5 Cap Head Captive Screws Hex Socket Screw [![M3 M4 M5 Cap Head Captive Screws Hex Socket Screw](https://img.engineeringhardware.com/M3-M4-M5-Cap-Head-Captive-Screws-Hex-Socket-Screw.webp)](https://img.engineeringhardware.com/M3-M4-M5-Cap-Head-Captive-Screws-Hex-Socket-Screw.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Specialty Fasteners › Quarter-Turn, Captive & Panel Fasteners](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/m3-m4-m5-cap-head-captive-screws-hex-socket-screw.md) Model no. **5B-13** | **US$0.24**1,000–4,999 pieces | **US$0.12**5,000–9,999 pieces | **US$0.072**10,000–19,999 pieces | **US$0.048**20,000+ pieces | | --- | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Grade:** A2;A4 - **Head Type:** Cap Head - **Material:** Stainless Steel - **Standard:** DIN, GB, Per Customers' Desire - **Size:** M3 M4 M5 - **Total Length:** 5~50mm - **Thread Part Length:** 2~46mm - **Available Material:** Stainless Steel, Carbon Steel and So on 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%20Cap%20Head%20Captive%20Screws%20Hex%20Socket%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm3-m4-m5-cap-head-captive-screws-hex-socket-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 | | --- | --- | | Grade | A2;A4 | | Head Type | Cap Head | | Model NO. | 5B-13 | | Material | Stainless Steel | | Standard | DIN, GB, Per Customers' Desire | | Product Name | Hexagon Socket Cap Head Captive Screw | | Screw Type | Captive Panel Screw | | Feature | Have Thread Part and Unthread Part | | Screw Groove | Hexagon Socket | | Size | M3 M4 M5 | | Total Length | 5~50mm | | Thread Part Length | 2~46mm | | Available Material | Stainless Steel, Carbon Steel and So on | | Coating | Cleaning, Zinc Plating and So on | | Available Grade | A2, A4 | | Certificate | ISO;SGS; RoHS;ISO9001 | | Delivery Time | 7-10workdays | | MOQ | 500PCS | | Export Markets | Global | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Hexagonal | | Type | Cap | | Transport Package | 25*16*25cm Carton Box, Then Polywood Box Packed | | Specification | M3 M4 M5 | | Origin | Jiangsu | | HS Code | 73181500 | | Production Capacity | 200tons/Month | | Package Size | 12.50cm * 11.50cm * 7.00cm | | Package Gross Weight | 2.000kg | | SAMPLE CHARGE | 1. | | According to your request. Sampling time | 5-7days | | Free for Existing Mold. Sampling time | 3days | | Shortest Delivery | We have large stock, 3 days for stock items,7-15days for production. | | Category | [Quarter-Turn, Captive & Panel Fasteners](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) | ## Technical parameters | CHEMICAL COMPONENTS | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Material | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni | Cr | Mo | Others | | 201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 | | N≤0.25 | | 304 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | | | | 304L | 0.03 | 1 | 2 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | | | | 321 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-13.0 | 17-19 | | Ti≤5*C% | | 316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | | | 316L | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | | | 309S | 0.08 | 1 | 2 | 0.045 | 0.03 | 12.0-15.0 | 22-24 | | | | 410 | 0.15 | | 1 | | 0.03 | - | 11.5-13.5 | | | | 420 | 0.26-0.4 | | 1 | | 0.03 | - | 12-14 | | | | 430 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | - | 16-18 | | | | Threaded Rods | Thumb screws | Socket Screws | Security Screws | | --- | --- | --- | --- | | Shoulder Screws | Rivets | Solar Hanger Bolt | Pins | | Springs | Captive Screws | U/L/J bolts | Machine Screws | ## Description M3 M4 M5 Cap Head Captive Screws Hex Socket Screw is part of our quarter-turn, captive & panel fasteners range (Specialty Fasteners). ### Key details - **Type:** Cap - **Standard:** DIN, GB, Per Customers' Desire - **Material:** Stainless Steel - **Grade:** A2;A4 - **Size:** M3 M4 M5 - **Head Type:** Cap Head - **Head Style:** Hexagonal - **Groove:** Hexagon Available configurations include grade, head type, material, standard and size. 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$0.048 – 0.24 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 Cap Head Captive Screws Hex Socket Screw? The listed minimum order is 1,000 pieces, at US$0.048 – 0.24 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### How does the price change with quantity? Volume pricing: US$0.24 for 1,000–4,999 pieces; US$0.12 for 5,000–9,999 pieces; US$0.072 for 10,000–19,999 pieces; US$0.048 for 20,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of M3 M4 M5 Cap Head Captive Screws Hex Socket Screw? Type: Cap; Standard: DIN, GB, Per Customers' Desire; Material: Stainless Steel; Grade: A2;A4; Size: M3 M4 M5; Head Type: Cap Head. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include grade, head type, material, standard 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 quarter-turn, captive & panel fasteners are available? The Quarter-Turn, Captive & Panel Fasteners category lists 403 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) 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 Quarter-Turn, Captive & Panel Fasteners →](https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/) [![Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis](https://img.engineeringhardware.com/Partially-Threaded-Hexagon-Socket-Captive-Screw-SUS304-Knurled-Cup-Head-Allen-Fastener-for-Industrial-Chassis.webp)](https://engineeringhardware.com/product/partially-threaded-hexagon-socket-captive-screw-sus304-knurled-cup-head-allen/) Quarter-Turn, Captive & Panel Fasteners ### [Partially Threaded Hexagon Socket Captive Screw SUS304 Knurled Cup Head Allen Fastener for Industrial Chassis](https://engineeringhardware.com/product/partially-threaded-hexagon-socket-captive-screw-sus304-knurled-cup-head-allen/) Cup Head · DIN **US$0.012 – 2.40**MOQ 100 pieces [![Customized 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[304 Stainless Steel Word Countersunk Head Half Thread Captive Machine Screw](https://engineeringhardware.com/product/304-stainless-steel-word-countersunk-head-half-thread-captive-machine-screw/) Countersunk Head · DIN **US$0.012 – 6.00**MOQ 100 pieces [![Stainless Steel Pan Torx Head Panel Captive Screw Torx Loose Screw](https://img.engineeringhardware.com/Stainless-Steel-Pan-Torx-Head-Panel-Captive-Screw-Torx-Loose-Screw.webp)](https://engineeringhardware.com/product/stainless-steel-pan-torx-head-panel-captive-screw-torx-loose-screw/) Quarter-Turn, Captive & Panel Fasteners ### [Stainless Steel Pan Torx Head Panel Captive Screw Torx Loose Screw](https://engineeringhardware.com/product/stainless-steel-pan-torx-head-panel-captive-screw-torx-loose-screw/) Round Head, Round Head · DIN, GB, ANSI, BSW, JIS, DIN, GB, ANSI, JIS **US$0.0144 – 0.12**MOQ 10,000 pieces **US$0.048 – 0.24**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M3%20M4%20M5%20Cap%20Head%20Captive%20Screws%20Hex%20Socket%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm3-m4-m5-cap-head-captive-screws-hex-socket-screw%2F)