--- title: "Sharp Threads Fatigue Resistant Various Sizes A4-80 12.9 Hexagonal Bolt" description: "Sharp Threads Fatigue Resistant Various Sizes A4-80 12.9 Hexagonal Bolt — Hex-Head Bolts. MOQ 1 piece, US$0.12 – 1.20." url: https://engineeringhardware.com/product/sharp-threads-fatigue-resistant-various-sizes-a4-80-12-9-hexagonal-bolt/ source: Engineering Hardware & Fasteners --- # Sharp Threads Fatigue Resistant Various Sizes A4-80 12.9 Hexagonal Bolt [![Sharp Threads Fatigue Resistant Various Sizes A4-80 12.9 Hexagonal Bolt](https://img.engineeringhardware.com/Sharp-Threads-Fatigue-Resistant-Various-Sizes-A4-80-12-9-Hexagonal-Bolt.webp)](https://img.engineeringhardware.com/Sharp-Threads-Fatigue-Resistant-Various-Sizes-A4-80-12-9-Hexagonal-Bolt.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › Hex-Head Bolts](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/sharp-threads-fatigue-resistant-various-sizes-a4-80-12-9-hexagonal-bolt.md) US$0.12 – 1.20 / piece MOQ 1 piece · Final price confirmed in your quote - **Material:** Carbon Steel, Stainless Steel, Copper, Alloy - **Head Style:** Hexagonal - **Standard:** DIN - **Grade:** 8.8, 10.9, 12.9 etc. - **Finish:** Polishing, Hot-DIP Galvanizing, Electro-Galvanizin - **Color:** Original, Yellow,Blue,Black - **Surface:** Galvanization, Oxidation and Blackening - **Thread:** Full Thread and Half Thread Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Sharp%20Threads%20Fatigue%20Resistant%20Various%20Sizes%20A4-80%2012.9%20Hexagonal%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fsharp-threads-fatigue-resistant-various-sizes-a4-80-12-9-hexagonal-bolt%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 | Carbon Steel, Stainless Steel, Copper, Alloy | | Type | Hexagon Head | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN | | Grade | 8.8, 10.9, 12.9 etc. | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Polishing, Hot-DIP Galvanizing, Electro-Galvanizin | | Color | Original, Yellow,Blue,Black | | Surface | Galvanization, Oxidation and Blackening | | Features | Excellent Load-Bearing and Tensile Capacity | | Thread | Full Thread and Half Thread | | Customized | Available | | ODM/OEM | Available | | Shipping Time | 15-45 Days | | Package | Carton+Pallet | | Transport Package | Standard Packing | | Specification | M1.6-M52 | | Origin | Dainan | | Production Capacity | 100000 PCS/Week | | Package Size | 50.00cm * 45.00cm * 30.00cm | | Package Gross Weight | 30.000kg | | Full(half) Thread Design | The entire length of the shank is threaded, allowing the nut or internally threaded component to engage and tighten in any position. | | Standardized Geometry | Strictly adheres to the DIN 933/931 standard, clearly specifying the hexagonal head width across flats, head thickness, thread length, and the relationship between the shank diameter and length. | | High Strength and Performance Grades | Typically manufactured from materials such as S | | Excellent Load-Bearing and Tensile Capacity | The hexagonal head design provides a large wrench contact surface for easy application of high torque. | | Ease of Installation | Can be installed using standard open-end wrenches, box wrenches, socket wrenches, or power tools, making it suitable for a wide range of tools and situations requiring specific operating space. | | Category | [Hex-Head Bolts](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/) | ## Description Sharp Threads Fatigue Resistant Various Sizes A4-80 12.9 Hexagonal Bolt is part of our hex-head bolts range (Bolts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN - **Material:** Carbon Steel, Stainless Steel, Copper, Alloy - **Grade:** 8.8, 10.9, 12.9 etc. - **Thread:** Full Thread and Half Thread - **Head Style:** Hexagonal - **Finish:** Polishing, Hot-DIP Galvanizing, Electro-Galvanizin - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$0.12 – 1.20 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 Sharp Threads Fatigue Resistant Various Sizes A4-80 12.9 Hexagonal Bolt? The listed minimum order is 1 piece, at US$0.12 – 1.20 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 Sharp Threads Fatigue Resistant Various Sizes A4-80 12.9 Hexagonal Bolt? Type: Hexagon Head; Standard: DIN; Material: Carbon Steel, Stainless Steel, Copper, Alloy; Grade: 8.8, 10.9, 12.9 etc.; Thread: Full Thread and Half Thread; Head Style: Hexagonal. 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, standard, grade and finish. 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 hex-head bolts are available? The Hex-Head Bolts category lists 8,449 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/](https://engineeringhardware.com/fastener-products/bolts/hex-head-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 Hex-Head Bolts →](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/) [![ASME/ANSI Hexagon Socket Head Cap Screw Bolt M100 Black/Yellow/White Zinc L150-300mm](https://img.engineeringhardware.com/ASME-ANSI-Hexagon-Socket-Head-Cap-Screw-Bolt-M100-Black-Yellow-White-Zinc-L150-300mm.webp)](https://engineeringhardware.com/product/asme-ansi-hexagon-socket-head-cap-screw-bolt-m100-black-yellow-white-zinc-l150-300mm/) Hex-Head Bolts ### [ASME/ANSI Hexagon Socket Head Cap Screw Bolt M100 Black/Yellow/White Zinc L150-300mm](https://engineeringhardware.com/product/asme-ansi-hexagon-socket-head-cap-screw-bolt-m100-black-yellow-white-zinc-l150-300mm/) Hexagon Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.12**MOQ 1,000 pieces [![Allen Key Csk Socket Bolt DIN912 Allen Cap Hex Socket Flat Head 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