Wholesale Carbon Steel Hex Bolts | Factory Direct Price

Leading Carbon Steel Hex Bolt Fastener Supplier | Request a Quote Today

Carbon steel hex bolts are a type of industrial fastener known for their high strength and cost-effectiveness. They are made from an alloy of carbon and iron, processed through cold heading or hot forging techniques.

T&Y Hardware specializes in manufacturing high-quality hex bolts across various grades, with all products utilizing rolled thread technology to deliver more precise thread tolerances and enhanced tensile strength.

We maintain a vast inventory of ready-to-ship products, enabling rapid delivery services. Leveraging our robust R&D capabilities, we offer comprehensive OEM & ODM customization services, tailoring high-performance fastening solutions to meet your specific drawing requirements for demanding applications.

Carbon Steel Hex Bolts Supply | Full Strength Range |

To address diverse engineering challenges, T&Y offers hex bolts in multiple strength grades. Through advanced coating technologies and rigorous material control, our fasteners maintain excellent corrosion resistance and structural clamping force in various complex environments, providing you with more durable and stable connection solutions.

Low Strength Hex Head Bolt
Manufactured from Mild Steel without heat treatment. Good toughness, easy to process, and very low cost.

Corresponding Grades: Class 4.8/5.8 (Metric); Grade 2 (Imperial); ASTM A307 (U.S. Standard).
Tensile Strength: ≧420 MPa
Coating: Electro-galvanized, plain finish

Applicable Scenarios: General purposes such as fence installation, furniture assembly, light steel structures, non-load-bearing connections, etc.
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Medium Strength Hex Bolt
The most widely used strength standard in industry. It balances strength, toughness, and cost, serving as a standard component for most mechanical assemblies.
Corresponding grades: Class 8.8 (metric); Grade 5 (imperial); ASTM A449.
Tensile strength: ≥800 MPa
Coating: Zinc-plated, hot-dip galvanized

Applicable scenarios: Mechanical manufacturing, pumps and valves, conveying systems, and general equipment assembly.
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High Tensile Hex Bolts
Manufactured from medium carbon alloy steel, subjected to rigorous quenching and tempering heat treatment, it possesses extremely high tensile strength and shear strength.
Corresponding grades: Class 10.9/12.9 (metric); Grade 8 (imperial); ASTM A325/A490.
Tensile strength: ≧1040 MPa (10.9)/≧1220 MPa (12.9)
Coating: Black oxide, Dacromet
Application scenarios: Automotive, construction machinery, steel structure, wind power, and mining equipment.
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Versatile Threading Solutions for Carbon Steel Hex Bolts | UNC, UNF, Metric

T&Y offers global customers multi-standard size options, including M6, M8, M10, M12, and M16. In addition to conventional DIN/ISO metric full threads and half threads, we comprehensively supply UNC/UNF American thread products. Furthermore, we provide special fasteners such as hex-head self-tapping and self-drilling threads, ensuring the most secure connections in any environment.

Fully Thread External Hex Tap Bolts
Standard: DIN933, ISO 4017
Diameter: M3-M64/ 1/4″- 4″
Length: 5mm-500mm/ 1/2″-20″
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Partially Thread Hex Cap Screws
Standard: DIN931, ISO 4014
Diameter: M3-M64/ 1/4″- 4″
Length: 5mm-500mm/ 1/2″-20″
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