--- title: "ASTM A490 Black Oxide High Strength Hex Structural Bolts" description: "ASTM A490 Black Oxide High Strength Hex Structural Bolts — Structural & Heavy Hex Bolts. MOQ 10,000 pieces, US$0.036 – 0.36." url: https://engineeringhardware.com/product/astm-a490-black-oxide-high-strength-hex-structural-bolts/ source: Engineering Hardware & Fasteners --- # ASTM A490 Black Oxide High Strength Hex Structural Bolts [![ASTM A490 Black Oxide High Strength Hex Structural Bolts](https://img.engineeringhardware.com/ASTM-A490-Black-Oxide-High-Strength-Hex-Structural-Bolts.webp)](https://img.engineeringhardware.com/ASTM-A490-Black-Oxide-High-Strength-Hex-Structural-Bolts.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-a490-black-oxide-high-strength-hex-structural-bolts.md) Model no. **ASTM A490** | **US$0.36**10,000–999,999 pieces | **US$0.036**1,000,000+ pieces | | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Grade:** 8.8 - **Finish:** Black - **Testing Standard:** ISO 9001 - **Package Size:** 25.00cm * 15.00cm * 15.00cm - **Material:** Carbon Steel - **Steel Grade:** DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449 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%20A490%20Black%20Oxide%20High%20Strength%20Hex%20Structural%20Bolts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a490-black-oxide-high-strength-hex-structural-bolts%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. | ASTM A490 | | --- | --- | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, BSW, GOST | | Grade | 8.8 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Black | | Combination Washer Packaging | All Inclusive | | Testing Standard | ISO 9001 | | Trade Term | Fob; CIF; DAP; DDP | | Transport Package | Carton and Pallet | | Specification | 3/4" | | Origin | China | | HS Code | 731815 | | Production Capacity | 500 Tons/Month | | Package Size | 25.00cm * 15.00cm * 15.00cm | | Package Gross Weight | 20.000kg | | Lead Time | 45 days (1 - 1000000 Pieces) To be negotiated ( > 1000000 Pieces) | | Customization | Available | | Material | Carbon Steel | | Type | Hexagon Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Stainless Steel | SS201, SS303, SS304, SS316,SS316L,SS904L,F593 | | Steel Grade | DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449 | | M2-M24 | Cold Froging,M24-M100 Hot Forging, | | Packing | Products are packed in carton boxes or plastic bags. We offer OEM service, so customized packing is warmly welcomed. | | Delivery | 1. Express such as FedEX/ DHL/ UPS/ TNT for samples. | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | Products Name | Bolts | | --- | --- | | Standards | DIN,ASTM/ANSI,JIS,EN,ISO,AS,GB | | Surface Treatment | Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated | | Material | Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593 | | Grade | Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449 | | Size | M2-M100; Customized | | Production Process | M2-M24:Cold Froging,M24-M100 Hot Forging,Machining and CNC for Customized fastener | | Avaliable Packing | Bulk in cartons +wood Pallet or according to customer special demand | | Delivery Method | By sea/ By air/ By express | ## Description ASTM A490 Black Oxide High Strength Hex Structural Bolts 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:** Black - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, Building Available configurations include head style, standard, grade, finish and testing standard. 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$0.036 – 0.36 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 A490 Black Oxide High Strength Hex Structural Bolts? The listed minimum order is 10,000 pieces, at US$0.036 – 0.36 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$0.36 for 10,000–999,999 pieces; US$0.036 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of ASTM A490 Black Oxide High Strength Hex Structural Bolts? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel; Grade: 8.8; 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 head style, standard, grade, finish and testing standard. 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 8.8 Grade Carbon Steel Metric Square Head Bolt Black Oxide Unc Thread 2 Nuts DIN933 Heavy Duty Fastener](https://img.engineeringhardware.com/High-Strength-8-8-Grade-Carbon-Steel-Metric-Square-Head-Bolt-Black-Oxide-Unc-Thread-2-Nuts-DIN933-Heavy-Duty-Fastener.webp)](https://engineeringhardware.com/product/high-strength-8-8-grade-carbon-steel-metric-square-head-bolt-black-oxide-unc-thread/) Structural & Heavy Hex Bolts ### [High Strength 8.8 Grade Carbon Steel Metric Square Head Bolt Black Oxide Unc Thread 2 Nuts DIN933 Heavy Duty Fastener](https://engineeringhardware.com/product/high-strength-8-8-grade-carbon-steel-metric-square-head-bolt-black-oxide-unc-thread/) Hexagon Head · DIN, ANSI **US$0.0036 – 0.006**MOQ 1,000 pieces [![1” 8un 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quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20ASTM%20A490%20Black%20Oxide%20High%20Strength%20Hex%20Structural%20Bolts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a490-black-oxide-high-strength-hex-structural-bolts%2F)