--- title: "A490 Structural Bolt, Heat Treated" description: "A490 Structural Bolt, Heat Treated — Structural & Heavy Hex Bolts. Material: Alloy Steel, Standard: DIN, ANSI, GB, JIS. MOQ 10,000 pieces, US$0.0204 – 0.024." url: https://engineeringhardware.com/product/a490-structural-bolt-heat-treated/ source: Engineering Hardware & Fasteners --- # A490 Structural Bolt, Heat Treated [![A490 Structural Bolt, Heat Treated](https://img.engineeringhardware.com/A490-Structural-Bolt-Heat-Treated.webp)](https://img.engineeringhardware.com/A490-Structural-Bolt-Heat-Treated.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/a490-structural-bolt-heat-treated.md) Model no. **LKOK** | **US$0.024**10,000–99,999 pieces | **US$0.0204**100,000+ pieces | | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Alloy Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS - **Grade:** to Standard - **Finish:** Plain, Zinc, HDG... - **Optional Material:** Stainless Steel, Carbon Steel, Alloy Steel, Brass - **Optional Finish:** Zinc, HDG, Magni, Geomet, Dacromet, Passivate..... - **Optional Size:** M12 to M36, or 1/2" to 1-1/2" Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20A490%20Structural%20Bolt%2C%20Heat%20Treated%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fa490-structural-bolt-heat-treated%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 | Material | Alloy Steel | | --- | --- | | Type | Hexagon Head | | Connection | Common Bolt | | Model NO. | LKOK | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS | | Grade | to Standard | | Application | Structural Application | | Finish | Plain, Zinc, HDG... | | Sample | Free (If in Store) | | Market | Global | | Optional Material | Stainless Steel, Carbon Steel, Alloy Steel, Brass | | Optional Properties | A2/4-50/70/80, Class 6.8/8.8/10.9, Grade 2/5/8.... | | Optional Finish | Zinc, HDG, Magni, Geomet, Dacromet, Passivate..... | | Optional Size | M12 to M36, or 1/2" to 1-1/2" | | Transport Package | Bulk Packing, Small Box Packing | | Specification | DIN, ANSI, ISO and Non-Standard | | Origin | China | | HS Code | 7318 | | Production Capacity | 500 Tons/Month | | Lockey never stop doing one thing | INNOVATE. Innovation is the permanent power for the development of Lockey. Technology innovation and concept innovation, keep Lockey going well and going further. Meanwhile, Lockey gathered a group of talents who good at management and co-operation. Go and contact with these professional man, you will get a satisfied result. | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | Description | Construction Hex Bolt Structure Hex Bolt Building Bolt | | --- | --- | | Material | Steel | | Surface | HDG, Zinc plated in chromium and RoHS | | Size | M12(1/2") upto M64(2-1/2") | | Length | Up to 500mm | ## Description A490 Structural Bolt, Heat Treated is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS - **Material:** Alloy Steel - **Grade:** to Standard - **Head Style:** Hexagonal - **Finish:** Plain, Zinc, HDG… - **Connection:** Common Bolt - **Application:** Structural Application 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 10,000 pieces at US$0.0204 – 0.024 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 A490 Structural Bolt, Heat Treated? The listed minimum order is 10,000 pieces, at US$0.0204 – 0.024 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$0.024 for 10,000–99,999 pieces; US$0.0204 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of A490 Structural Bolt, Heat Treated? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS; Material: Alloy Steel; Grade: to Standard; Head Style: Hexagonal; Finish: Plain, Zinc, HDG.... 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/) [![Stainless/Carbon Steel High Strength Through Expansion Bolt Chemcial/Wedge/Sleeve/Mono/Shield/Heavy Duty Anchor for Construction/Concrete Masonry Rock Fixing](https://img.engineeringhardware.com/Stainless-Carbon-Steel-High-Strength-Through-Expansion-Bolt-Chemcial-Wedge-Sleeve-Mono-Shield-Heavy-Duty-Anchor-for-Construction-Concrete-Masonry-Rock-Fixing.webp)](https://engineeringhardware.com/product/stainless-carbon-steel-high-strength-through-expansion-bolt-chemcial-wedge-sleeve/) Structural & Heavy Hex Bolts ### [Stainless/Carbon Steel High Strength Through Expansion Bolt Chemcial/Wedge/Sleeve/Mono/Shield/Heavy Duty Anchor for Construction/Concrete Masonry Rock 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Washer](https://img.engineeringhardware.com/High-Strength-316-Stainless-Steel-304-Hex-Head-Screws-Nut-Bolt-with-Double-Washer.webp)](https://engineeringhardware.com/product/high-strength-316-stainless-steel-304-hex-head-screws-nut-bolt-with-double-washer/) Structural & Heavy Hex Bolts ### [High Strength 316 Stainless Steel 304 Hex Head Screws Nut & Bolt with Double Washer](https://engineeringhardware.com/product/high-strength-316-stainless-steel-304-hex-head-screws-nut-bolt-with-double-washer/) Hexagon Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.16 – 0.18**MOQ 5,000 pieces **US$0.0204 – 0.024**MOQ 10,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20A490%20Structural%20Bolt%2C%20Heat%20Treated%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fa490-structural-bolt-heat-treated%2F)