--- title: "A325 Structural Hex Head Bolt with Zinc Plated" description: "A325 Structural Hex Head Bolt with Zinc Plated — Structural & Heavy Hex Bolts. MOQ 100 pieces, US$0.0012 – 12.00." url: https://engineeringhardware.com/product/a325-structural-hex-head-bolt-with-zinc-plated/ source: Engineering Hardware & Fasteners --- # A325 Structural Hex Head Bolt with Zinc Plated [![A325 Structural Hex Head Bolt with Zinc Plated](https://img.engineeringhardware.com/A325-Structural-Hex-Head-Bolt-with-Zinc-Plated.webp)](https://img.engineeringhardware.com/A325-Structural-Hex-Head-Bolt-with-Zinc-Plated.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/a325-structural-hex-head-bolt-with-zinc-plated.md) Model no. **A325** US$0.0012 – 12.00 / piece MOQ 100 pieces · Final price confirmed in your quote - **Material:** Carbon Steel, High Strength Steel, Stainless Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Grade:** 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 - **Heat Treatment:** Yes - **Surface Treatment:** Yes Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20A325%20Structural%20Hex%20Head%20Bolt%20with%20Zinc%20Plated%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fa325-structural-hex-head-bolt-with-zinc-plated%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. | A325 | | --- | --- | | Material | Carbon Steel, High Strength Steel, Stainless Steel | | Type | Round Head | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 | | High Tensile | Yes | | Heat Treatment | Yes | | Application | Machinery, Chemical Industry, Environmental, Build | | Process | Cold Forging, Hot Forging, Machining | | Surface Treatment | Yes | | Factories or Traders | Factory | | Transport Package | 25 Kg/Carton, 36carton/Pallet | | Specification | 1/2" NB-48" NB | | Origin | Ningbo | | HS Code | 7318159001 | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Description A325 Structural Hex Head Bolt with Zinc Plated is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Carbon Steel, High Strength Steel, Stainless Steel - **Grade:** 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 - **Head Style:** Hexagonal - **Surface Treatment:** Yes - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, Build Available configurations include material, head style, standard, grade and heat treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$0.0012 – 12.00 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 A325 Structural Hex Head Bolt with Zinc Plated? The listed minimum order is 100 pieces, at US$0.0012 – 12.00 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 A325 Structural Hex Head Bolt with Zinc Plated? Type: Round Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel, High Strength Steel, Stainless Steel; Grade: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9; Head Style: Hexagonal; Surface Treatment: Yes. 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 heat treatment. 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/) [![Carbon Steel Black Oixde Grade 12.9 Round Head Torsional Shear Bolts, Tension Control Bolts, Tc Bolts, Twist off Structural Bolts](https://img.engineeringhardware.com/Carbon-Steel-Black-Oixde-Grade-12-9-Round-Head-Torsional-Shear-Bolts-Tension-Control-Bolts-Tc-Bolts-Twist-off-Structural-Bolts.webp)](https://engineeringhardware.com/product/carbon-steel-black-oixde-grade-12-9-round-head-torsional-shear-bolts-tension-control/) Structural & Heavy Hex Bolts ### [Carbon Steel Black Oixde Grade 12.9 Round Head Torsional Shear Bolts, Tension Control Bolts, Tc Bolts, Twist off Structural Bolts](https://engineeringhardware.com/product/carbon-steel-black-oixde-grade-12-9-round-head-torsional-shear-bolts-tension-control/) Round Head · DIN, ANSI, GB, JIS, BSW 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