--- title: "ASTM A325 A490 Bolt Heavy Hex Structural Bolt" description: "ASTM A325 A490 Bolt Heavy Hex Structural Bolt — Structural & Heavy Hex Bolts. Material: Carbon Steel, Grade: 8.8. MOQ 1,000 pieces, US$0.36 – 0.53." url: https://engineeringhardware.com/product/astm-a325-a490-bolt-heavy-hex-structural-bolt/ source: Engineering Hardware & Fasteners --- # ASTM A325 A490 Bolt Heavy Hex Structural Bolt [![ASTM A325 A490 Bolt Heavy Hex Structural Bolt](https://img.engineeringhardware.com/ASTM-A325-A490-Bolt-Heavy-Hex-Structural-Bolt.webp)](https://img.engineeringhardware.com/ASTM-A325-A490-Bolt-Heavy-Hex-Structural-Bolt.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/astm-a325-a490-bolt-heavy-hex-structural-bolt.md) Model no. **M12-M36** | **US$0.53**1,000–4,999 pieces | **US$0.41**5,000–9,999 pieces | **US$0.36**10,000+ pieces | | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Grade:** 8.8 - **Finish:** Hot Galvanizing - **Package Size:** 25.00cm * 25.00cm * 15.00cm - **Material:** Carbon Steel - **Standard parts:** 7-15days - **Non-standard parts:** 15-25days Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20ASTM%20A325%20A490%20Bolt%20Heavy%20Hex%20Structural%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a325-a490-bolt-heavy-hex-structural-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 | Model NO. | M12-M36 | | --- | --- | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, BSW, GOST | | Grade | 8.8 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Hot Galvanizing | | Sample | Provided | | Service | 24 Hours Online | | Delivery Time | 15-25 Days | | Quality | High-Quality | | Product Name | Torsional Shear Bolt | | Transport Package | Carton+Palletor or Others | | Specification | M12-M36 | | Origin | Hebei | | Production Capacity | 50000tons/Year | | Package Size | 25.00cm * 25.00cm * 15.00cm | | Package Gross Weight | 25.000kg | | Customization | Available | | Material | Carbon Steel | | Type | Hexagon Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | All our processes strictly adhere to ISO9001 | 2008 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management. | | Standard parts | 7-15days | | Non-standard parts | 15-25days | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | place of origin | Hebei.China | | --- | --- | | Service | 24 Hours Online | | Delivery Time | 15-25 Days | ## Description ASTM A325 A490 Bolt Heavy Hex Structural Bolt is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Material:** Carbon Steel - **Grade:** 8.8 - **Head Style:** Hexagonal - **Finish:** Hot Galvanizing - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, Building Available configurations include head style, standard, grade, finish and package 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$0.36 – 0.53 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 ASTM A325 A490 Bolt Heavy Hex Structural Bolt? The listed minimum order is 1,000 pieces, at US$0.36 – 0.53 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$0.53 for 1,000–4,999 pieces; US$0.41 for 5,000–9,999 pieces; US$0.36 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of ASTM A325 A490 Bolt Heavy Hex Structural Bolt? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel; Grade: 8.8; Head Style: Hexagonal; Finish: Hot Galvanizing. 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, finish and package 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 structural & heavy hex bolts are available? The Structural & Heavy Hex Bolts category lists 2,565 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-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 Structural & Heavy Hex Bolts →](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) [![High Strength Heavy Truck Center Bolts Spring Leaf](https://img.engineeringhardware.com/High-Strength-Heavy-Truck-Center-Bolts-Spring-Leaf.webp)](https://engineeringhardware.com/product/high-strength-heavy-truck-center-bolts-spring-leaf/) Structural & Heavy Hex Bolts ### [High Strength Heavy Truck Center Bolts Spring Leaf](https://engineeringhardware.com/product/high-strength-heavy-truck-center-bolts-spring-leaf/) 10.9 · 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, etc **US$0.48 – 0.72**MOQ 500 pieces [![High Strength Swing Bolt DIN444 with ISO9001 Smooth Surface Stainless Steel 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M46 M56 M68 Weight Size Inner JIS B1180 DIN933/931 DIN934 Bolts and Nuts Copper Hex Bolt](https://img.engineeringhardware.com/307A-A325-Heavy-Bolt-Grade-8-8-High-Tensile-M20-M24-M36-M38-M46-M56-M68-Weight-Size-Inner-JIS-B1180-DIN933-931-DIN934-Bolts-and-Nuts-Copper-Hex-Bolt.webp)](https://engineeringhardware.com/product/307a-a325-heavy-bolt-grade-8-8-high-tensile-m20-m24-m36-m38-m46-m56-m68-weight-size/) Structural & Heavy Hex Bolts ### [307A A325 Heavy Bolt Grade 8.8 High Tensile M20 M24 M36 M38 M46 M56 M68 Weight Size Inner JIS B1180 DIN933/931 DIN934 Bolts and Nuts Copper Hex Bolt](https://engineeringhardware.com/product/307a-a325-heavy-bolt-grade-8-8-high-tensile-m20-m24-m36-m38-m46-m56-m68-weight-size/) Round Head · DIN, ANSI, GB, JIS, BSW **US$0.012 – 0.12**MOQ 1,000 pieces **US$0.36 – 0.53**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%20ASTM%20A325%20A490%20Bolt%20Heavy%20Hex%20Structural%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a325-a490-bolt-heavy-hex-structural-bolt%2F)