--- title: "ASTM A325 Structural Hex Bolts with H. D. G" description: "ASTM A325 Structural Hex Bolts with H. D. G — Structural & Heavy Hex Bolts. Material: Stainless Steel, Standard: DIN, ANSI, GB. MOQ 1,000 pieces, US$0.12." url: https://engineeringhardware.com/product/astm-a325-structural-hex-bolts-with-h-d-g/ source: Engineering Hardware & Fasteners --- # ASTM A325 Structural Hex Bolts with H. D. G [![ASTM A325 Structural Hex Bolts with H. D. G](https://img.engineeringhardware.com/ASTM-A325-Structural-Hex-Bolts-with-H-D-G.webp)](https://img.engineeringhardware.com/ASTM-A325-Structural-Hex-Bolts-with-H-D-G.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-structural-hex-bolts-with-h-d-g.md) Model no. **ASTM A325** US$0.12 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB - **Grade:** A325 - **Finish:** Black - **Package Size:** 113.00cm * 86.00cm * 58.00cm - **Standard Terms:** FOB ,CIF, EXW 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%20Structural%20Hex%20Bolts%20with%20H.%20D.%20G%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a325-structural-hex-bolts-with-h-d-g%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 | Stainless Steel | | Type | Hexagon Head | | Model NO. | ASTM A325 | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB | | Grade | A325 | | Application | Building | | Finish | Black | | Payment | T/T, L/C, D/P | | Certificate | API,ISO,Ad2000,PED,CPR | | Application in | Machinery, Chemical Industry, Environmental, | | Connection to | Common Bolt | | Transport Package | 25kg/Carton, 36carton/Pallet | | Specification | M6-M48 | | Origin | Ningbo, China | | HS Code | 7318151001 | | Production Capacity | 1000ton /Month | | Package Size | 113.00cm * 86.00cm * 58.00cm | | Package Gross Weight | 900.000kg | | Pre-production | Dimensional checks on samples | | Pre-shipment | Full batch inspection including | | Standard Terms | FOB ,CIF, EXW | | Payment Methods | SWIFT | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | Standard | ASTM A325 Structural Hex Bolts with H. D. G | | --- | --- | | Size | 1/2"-4" | | Grade | A307,A325,A490 | | Surface finishing | Hot Galvanizing, Black, Color-Zinc, Blue-White Zinc | ## Description ASTM A325 Structural Hex Bolts with H. D. G is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB - **Material:** Stainless Steel - **Grade:** A325 - **Head Style:** Hexagonal - **Finish:** Black - **Connection:** Common Bolt - **Application:** Building 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 1,000 pieces at US$0.12 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 Structural Hex Bolts with H. D. G? The listed minimum order is 1,000 pieces, at US$0.12 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 ASTM A325 Structural Hex Bolts with H. D. G? Type: Hexagon Head; Standard: DIN, ANSI, GB; Material: Stainless Steel; Grade: A325; Head Style: Hexagonal; Finish: Black. 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 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/) [![DIN 7991 High Strength Hexagon Socket Countersunk Head Grade 10.9 12.9 Bolt](https://img.engineeringhardware.com/DIN-7991-High-Strength-Hexagon-Socket-Countersunk-Head-Grade-10-9-12-9-Bolt.webp)](https://engineeringhardware.com/product/din-7991-high-strength-hexagon-socket-countersunk-head-grade-10-9-12-9-bolt/) Structural & Heavy Hex Bolts ### [DIN 7991 High Strength Hexagon Socket Countersunk Head Grade 10.9 12.9 Bolt](https://engineeringhardware.com/product/din-7991-high-strength-hexagon-socket-countersunk-head-grade-10-9-12-9-bolt/) Round Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.024 – 0.06**MOQ 10 pieces [![HDG Hexagon Head Bolt, Heavy Bolt, Hex Cap Screws, High Strength Bolts](https://img.engineeringhardware.com/HDG-Hexagon-Head-Bolt-Heavy-Bolt-Hex-Cap-Screws-High-Strength-Bolts.webp)](https://engineeringhardware.com/product/hdg-hexagon-head-bolt-heavy-bolt-hex-cap-screws-high-strength-bolts/) Structural & Heavy Hex Bolts ### [HDG Hexagon Head Bolt, Heavy Bolt, Hex Cap Screws, High Strength Bolts](https://engineeringhardware.com/product/hdg-hexagon-head-bolt-heavy-bolt-hex-cap-screws-high-strength-bolts/) M2-M100 · 5-300mm **US$598.80 – 718.80**MOQ 10 tons [![China Factory Cheap High Strength Hexagon Head Bolts](https://img.engineeringhardware.com/China-Factory-Cheap-High-Strength-Hexagon-Head-Bolts.webp)](https://engineeringhardware.com/product/china-factory-cheap-high-strength-hexagon-head-bolts/) Structural & Heavy Hex Bolts ### [China Factory Cheap High Strength Hexagon Head Bolts](https://engineeringhardware.com/product/china-factory-cheap-high-strength-hexagon-head-bolts/) Hexagon Head · DIN, ANSI, GB, JIS, GOST **US$0.036 – 0.36**MOQ 1,000 pieces [![Manufacturer Hardware Accessories High-Strength Grade 8.8 10.9 12.9 Carbon Steel Stainless Steel Hex Head Bolts DIN933 Hex Bolts](https://img.engineeringhardware.com/Manufacturer-Hardware-Accessories-High-Strength-Grade-8-8-10-9-12-9-Carbon-Steel-Stainless-Steel-Hex-Head-Bolts-DIN933-Hex-Bolts.webp)](https://engineeringhardware.com/product/manufacturer-hardware-accessories-high-strength-grade-8-8-10-9-12-9-carbon-steel/) Structural & Heavy Hex Bolts ### [Manufacturer Hardware Accessories High-Strength Grade 8.8 10.9 12.9 Carbon Steel Stainless Steel Hex Head Bolts DIN933 Hex Bolts](https://engineeringhardware.com/product/manufacturer-hardware-accessories-high-strength-grade-8-8-10-9-12-9-carbon-steel/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.0012**MOQ 10,000 pieces [![Carbon Steel High Strength Hex Flange Bolt Grade 8.8 Zinc Plated Serrated](https://img.engineeringhardware.com/Carbon-Steel-High-Strength-Hex-Flange-Bolt-Grade-8-8-Zinc-Plated-Serrated.webp)](https://engineeringhardware.com/product/carbon-steel-high-strength-hex-flange-bolt-grade-8-8-zinc-plated-serrated/) Structural & Heavy Hex Bolts ### [Carbon Steel High Strength Hex Flange Bolt Grade 8.8 Zinc Plated Serrated](https://engineeringhardware.com/product/carbon-steel-high-strength-hex-flange-bolt-grade-8-8-zinc-plated-serrated/) Hexagon Head With Flange · DIN, ANSI, GB, BSW, Unc **US$0.12 – 0.24**MOQ 100,000 kilograms [![High Strength Alloy Steel DIN912 12.9 Hex Allen Key Bolt M2 M3 M4 M5 M6 DIN 912](https://img.engineeringhardware.com/High-Strength-Alloy-Steel-DIN912-12-9-Hex-Allen-Key-Bolt-M2-M3-M4-M5-M6-DIN-912.webp)](https://engineeringhardware.com/product/high-strength-alloy-steel-din912-12-9-hex-allen-key-bolt-m2-m3-m4-m5-m6-din-912/) Structural & Heavy Hex Bolts ### [High Strength Alloy Steel DIN912 12.9 Hex Allen Key Bolt M2 M3 M4 M5 M6 DIN 912](https://engineeringhardware.com/product/high-strength-alloy-steel-din912-12-9-hex-allen-key-bolt-m2-m3-m4-m5-m6-din-912/) DIN · Alloy Steel **US$0.072 – 0.12**MOQ 1,000 pieces [![ANSI A325 A286 ASME DIN 315 Rounded Wing Nuts](https://img.engineeringhardware.com/ANSI-A325-A286-ASME-DIN-315-Rounded-Wing-Nuts.webp)](https://engineeringhardware.com/product/ansi-a325-a286-asme-din-315-rounded-wing-nuts/) Structural & Heavy Hex Bolts ### [ANSI A325 A286 ASME DIN 315 Rounded Wing Nuts](https://engineeringhardware.com/product/ansi-a325-a286-asme-din-315-rounded-wing-nuts/) Hexagon Head · DIN, ANSI, JIS **US$0.024 – 0.12**MOQ 1,000 pieces [![Carbon Steel, Alloy Stainless Half Thread High-Strength Bolts for Steel Structures](https://img.engineeringhardware.com/Carbon-Steel-Alloy-Stainless-Half-Thread-High-Strength-Bolts-for-Steel-Structures.webp)](https://engineeringhardware.com/product/carbon-steel-alloy-stainless-half-thread-high-strength-bolts-for-steel-structures/) Structural & Heavy Hex Bolts ### [Carbon Steel, Alloy Stainless Half Thread High-Strength Bolts for Steel Structures](https://engineeringhardware.com/product/carbon-steel-alloy-stainless-half-thread-high-strength-bolts-for-steel-structures/) Hexagon Head · DIN, ANSI, GB, JIS, BSW, GOST **US$24.00**MOQ 100 pieces **US$0.12**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%20Structural%20Hex%20Bolts%20with%20H.%20D.%20G%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a325-structural-hex-bolts-with-h-d-g%2F)