--- title: "ASTM A490tc Bolt with Round Head Grade 10.9" description: "ASTM A490tc Bolt with Round Head Grade 10.9 — Structural & Heavy Hex Bolts. MOQ 1,000 sets, US$0.24 – 3.00." url: https://engineeringhardware.com/product/astm-a490tc-bolt-with-round-head-grade-10-9/ source: Engineering Hardware & Fasteners --- # ASTM A490tc Bolt with Round Head Grade 10.9 [![ASTM A490tc Bolt with Round Head Grade 10.9](https://img.engineeringhardware.com/ASTM-A490tc-Bolt-with-Round-Head-Grade-10-9.webp)](https://img.engineeringhardware.com/ASTM-A490tc-Bolt-with-Round-Head-Grade-10-9.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-a490tc-bolt-with-round-head-grade-10-9.md) Model no. **JX20TC016** US$0.24 – 3.00 / set MOQ 1,000 sets · Final price confirmed in your quote - **Material:** High Strength Steel - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS - **Grade:** 10.9 - **Finish:** Dacromet - **Size:** 5/8"~1-1/2" - **Tensile Strength for 1/2"-1":** 150000psi~173 000 Psi - **Yield Strength for 1/2"-1":** 120000psi~130 000 Psi 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%20A490tc%20Bolt%20with%20Round%20Head%20Grade%2010.9%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fastm-a490tc-bolt-with-round-head-grade-10-9%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 | High Strength Steel | | Type | Round Head | | Model NO. | JX20TC016 | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS | | Grade | 10.9 | | Application | Machinery, Environmental, Building, Steel Structure | | Finish | Dacromet | | Size | 5/8"~1-1/2" | | Tensile Strength for 1/2"-1" | 150000psi~173 000 Psi | | Yield Strength for 1/2"-1" | 120000psi~130 000 Psi | | Hardness | 33~38HRC | | Transport Package | Carton or Barrel and Wooden Pallet | | Specification | 5/8"~1-1/2" | | Origin | Hangzhou China | | HS Code | 7318 | | Production Capacity | 5000000PCS/Month | | Materials | Alloy steel---40Cr / 35CrMo, 42CrMo | | Certification | FPC BC1, SGS,BV,ISO, factory 3.1cert. | | because no fastening technique of high level is required | (1) Controlled clamping force can be ensured. | | Category | [Structural & Heavy Hex Bolts](https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/) | ## Technical parameters | Product name | Tension control bolt, tor-shear bolt | | --- | --- | | Standard | ASTM F1852/F2280/F3125 | | Available specs. | ASTM F2280(A490TC), JSS II09(S10T),GB/T 3632,ect. | | Grade | 8.8 | | Dia. | 1/2"~1 1/2" | | Length | 1 1/4"~ 12" | | Materials: | Alloy steel---40Cr / 35CrMo, 42CrMo | | Available finish | Dacromet, black oxide, phosphating, electronic galvanized,ect. | | Bolt Set | set= 1 bolt + 1 Nut + 1 washer | | Head marking | HYZ+A325TC or customers' brand + A325TC | | Packing | Carton and wooden pallet or wooden case; barrel+wooden pallet | | Certification: | FPC BC1, SGS,BV,ISO, factory 3.1cert. | | Components | Bolt | Nut | Washer | | --- | --- | --- | --- | | Class | F 2280 | DH / 2H | F436 | ## Description ASTM A490tc Bolt with Round Head Grade 10.9 is part of our structural & heavy hex bolts range (Bolts). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, JIS - **Material:** High Strength Steel - **Grade:** 10.9 - **Size:** 5/8"~1-1/2" - **Head Style:** Round - **Finish:** Dacromet - **Connection:** Common Bolt 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 sets at US$0.24 – 3.00 per set. 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 A490tc Bolt with Round Head Grade 10.9? The listed minimum order is 1,000 sets, at US$0.24 – 3.00 per set. 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 A490tc Bolt with Round Head Grade 10.9? Type: Round Head; Standard: DIN, ANSI, GB, JIS; Material: High Strength Steel; Grade: 10.9; Size: 5/8"~1-1/2"; Head Style: Round. 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 & 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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/) [![Wholesale Heavy Hex Metric Bolt A325m/A490m Used for Steel Structures](https://img.engineeringhardware.com/Wholesale-Heavy-Hex-Metric-Bolt-A325m-A490m-Used-for-Steel-Structures.webp)](https://engineeringhardware.com/product/wholesale-heavy-hex-metric-bolt-a325m-a490m-used-for-steel-structures/) Structural & Heavy Hex Bolts ### [Wholesale Heavy Hex Metric Bolt A325m/A490m Used for Steel Structures](https://engineeringhardware.com/product/wholesale-heavy-hex-metric-bolt-a325m-a490m-used-for-steel-structures/) Hexagon Head · DIN, ANSI, GB, JIS, as **US$0.24 – 1.44**MOQ 1,000 sets [![High Quality High Strength Bolt Galvanized Fasteners Screws API 20e Heavy Nuts and Bolts Fastener for Oilfield 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