--- title: "12 Point Flange Bolt External Spline Head Partial Thread Shoulder Bolts for Automotive Machinery Custom OEM" description: "12 Point Flange Bolt External Spline Head Partial Thread Shoulder Bolts for Automotive M… — Flange Bolts. Grade: Custom. MOQ 1,000 pieces, US$0.14 – 0.24." url: https://engineeringhardware.com/product/12-point-flange-bolt-external-spline-head-partial-thread-shoulder-bolts-for/ source: Engineering Hardware & Fasteners --- # 12 Point Flange Bolt External Spline Head Partial Thread Shoulder Bolts for Automotive Machinery Custom OEM [![12 Point Flange Bolt External Spline Head Partial Thread Shoulder Bolts for Automotive Machinery Custom OEM](https://img.engineeringhardware.com/12-Point-Flange-Bolt-External-Spline-Head-Partial-Thread-Shoulder-Bolts-for-Automotive-Machinery-Custom-OEM.webp)](https://img.engineeringhardware.com/12-Point-Flange-Bolt-External-Spline-Head-Partial-Thread-Shoulder-Bolts-for-Automotive-Machinery-Custom-OEM.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › Flange Bolts](https://engineeringhardware.com/fastener-products/bolts/flange-bolts/) Updated 2026-11-03 · [Markdown version](https://engineeringhardware.com/product/12-point-flange-bolt-external-spline-head-partial-thread-shoulder-bolts-for.md) | **US$0.24**1,000–9,999 pieces | **US$0.19**10,000–49,999 pieces | **US$0.14**50,000+ pieces | | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** to Be Confirmed / Customizable - **Head Style:** 12 Point Flange Head - **Grade:** Custom - **Surface Treatment:** Zinc Plated / Black Oxide / Nickel Plated - **Thread Size:** M6 / M7 / M8 / M10 / M12 Optional - **Drive Type:** External 12 Point / Double Hex - **Drawing Customization:** Available - **Sample Customization:** Available Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%2012%20Point%20Flange%20Bolt%20External%20Spline%20Head%20Partial%20Thread%20Shoulder%20Bolts%20for%20Automotive%20Machinery%20Custom%20OEM%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2F12-point-flange-bolt-external-spline-head-partial-thread-shoulder-bolts-for%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 | to Be Confirmed / Customizable | | Connection | Male Threaded Connection | | Head Style | 12 Point Flange Head | | Grade | Custom | | Product Name | 12 Point Flange Bolt | | Product Type | External 12 Point Flange Head Bolt | | Surface Treatment | Zinc Plated / Black Oxide / Nickel Plated | | Thread Size | M6 / M7 / M8 / M10 / M12 Optional | | Drive Type | External 12 Point / Double Hex | | MOQ | 1000 Pieces | | OEM / ODM | Available | | Drawing Customization | Available | | Sample Customization | Available | | Body Size | Customized | | Packaging | PE Bag + Inner Box + Export Carton | | Thread System | Metric Fine Thread | | Thread Direction | Right Hand Thread | | Transport Package | to Be Confirmed | | Specification | Customization | | Origin | China | | Category | [Flange Bolts](https://engineeringhardware.com/fastener-products/bolts/flange-bolts/) | ## Technical parameters | Product name | 12 Point Flange Bolt | | --- | --- | | Material | Carbon Steel / Alloy Steel / Stainless Steel / Customizable | | Structure | 12-point head + integral flange + smooth shank + male thread | | Surface Treatment | Zinc Plated / Black Oxide / Nickel Plated | | Color | Silver / Black / Gold / Blue / Rainbow | | Packing | PE Bag + Inner Box + Export Carton | | MOQ | 1000 Pieces | | OEM / ODM | Available | | Application | Wheel rim assemblies, machinery, automotive parts | ## Description 12 Point Flange Bolt External Spline Head Partial Thread Shoulder Bolts for Automotive Machinery Custom OEM is part of our flange bolts range (Bolts). ### Key details - **Material:** to Be Confirmed / Customizable - **Grade:** Custom - **Thread Size:** M6 / M7 / M8 / M10 / M12 Optional - **Head Style:** 12 Point Flange Head - **Surface Treatment:** Zinc Plated / Black Oxide / Nickel Plated - **Connection:** Male Threaded Connection - **Product Name:** 12 Point Flange Bolt - **Product Type:** External 12 Point Flange Head Bolt Available configurations include material, head style, grade, surface treatment and thread 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$0.14 – 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 12 Point Flange Bolt External Spline Head Partial Thread Shoulder Bolts for Automotive Machinery Custom OEM? The listed minimum order is 1,000 pieces, at US$0.14 – 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 1,000–9,999 pieces; US$0.19 for 10,000–49,999 pieces; US$0.14 for 50,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of 12 Point Flange Bolt External Spline Head Partial Thread Shoulder Bolts for Automotive Machinery Custom OEM? Material: to Be Confirmed / Customizable; Grade: Custom; Thread Size: M6 / M7 / M8 / M10 / M12 Optional; Head Style: 12 Point Flange Head; Surface Treatment: Zinc Plated / Black Oxide / Nickel Plated; Connection: Male Threaded Connection. 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, grade, surface treatment and thread 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 flange bolts are available? The Flange Bolts category lists 2,404 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/flange-bolts/](https://engineeringhardware.com/fastener-products/bolts/flange-bolts/) 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 Flange Bolts →](https://engineeringhardware.com/fastener-products/bolts/flange-bolts/) [![a-Grade Stainless Steel 316 Hexagonal Part Threaded Flange Bolt with Surface Finishing M12*76.5](https://img.engineeringhardware.com/a-Grade-Stainless-Steel-316-Hexagonal-Part-Threaded-Flange-Bolt-with-Surface-Finishing-M12-76-5.webp)](https://engineeringhardware.com/product/a-grade-stainless-steel-316-hexagonal-part-threaded-flange-bolt-with-surface/) Flange Bolts ### [a-Grade Stainless Steel 316 Hexagonal Part Threaded Flange Bolt with Surface Finishing M12*76.5](https://engineeringhardware.com/product/a-grade-stainless-steel-316-hexagonal-part-threaded-flange-bolt-with-surface/) Hexagon Head With Flange · DIN, ANSI, GB, JIS, BSW **US$0.36 – 1.20**MOQ 1,000 pieces [![Precision Carbon Steel Bolts for Industrial Automation with CE Certification (M10 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Bolt](https://img.engineeringhardware.com/Stock-Flange-Bolts-Serrated-Shoulder-Galvanized-DIN6921-Hex-Flange-Bolt.webp)](https://engineeringhardware.com/product/stock-flange-bolts-serrated-shoulder-galvanized-din6921-hex-flange-bolt/) Flange Bolts ### [Stock Flange Bolts Serrated Shoulder Galvanized DIN6921 Hex Flange Bolt](https://engineeringhardware.com/product/stock-flange-bolts-serrated-shoulder-galvanized-din6921-hex-flange-bolt/) Hexagon Head With Flange · DIN, ANSI, GB **US$0.012 – 0.06**MOQ 1,000 pieces **US$0.14 – 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%2012%20Point%20Flange%20Bolt%20External%20Spline%20Head%20Partial%20Thread%20Shoulder%20Bolts%20for%20Automotive%20Machinery%20Custom%20OEM%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2F12-point-flange-bolt-external-spline-head-partial-thread-shoulder-bolts-for%2F)