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40mm Outer Diameter A193 B7 Hex Bolts with A194 2H Heavy Hex Nuts
Corrosion resistant fasteners designed for mechanical assemblies requiring exceptional performance and reliability across industrial and construction applications.
Product Overview
Our BOLTS and Nuts product line features robust Hex Head design for easy installation and superior torque handling. The natural color finish provides a professional appearance while highlighting material quality. Engineered to meet stringent industry standards, these fasteners offer enhanced clamping force and secure fastening solutions for structural applications.
Key features include Grade 8.8 level rating for high tensile strength, dust sealing medium to prevent particulate ingress, and options ranging from ISO 3506 A2-70 stainless steel bolts (SS304) to ISO 898-1 class 10.9 alloy steel bolts with grade 10 nuts, and ASTM A354 Grade BD alloy steel bolts.
Material: Duplex stainless steel bolts and nuts S31803
Compliance: ASTM A194 2H heavy hex nuts
Standards: ASTM A193 B7 alloy steel stud bolts
Technical Parameters
Parameter
Specification
Surface Treatment
Electroplating
Processing Type
Forging
Sealing Medium
Dust
Grade
8.8 Level
Weight per Unit
Varies By Size
Length
20mm
Dimensions
Customer Required
Head Style
Flat, Oval, Round, HEX
Sizes
M20, M24, M27, M30, M36, M42, M45
Specification
M30 X 175mm
Standards
ASTM F593 stainless steel bolts with F594 nuts, ASTM A194 2HM nuts for hydrogen service, ISO 898-1 class 8.8 high tensile bolts and nuts
Applications
These high tensile bolts and nuts are designed for demanding industrial and construction applications including:
Machinery assembly and automotive manufacturing
Structural steel connections and heavy equipment maintenance
Marine, oil and gas, and chemical industries
Power plants, petrochemical facilities, and pressure vessel assemblies
Construction sites and infrastructure projects
Customization Services
We offer comprehensive customization services to meet your specific requirements. Customize dimensions, weight per unit, and cross sections to suit unique design demands. Our product range includes:
DIN 931 / DIN 933 hex bolts 8.8 zinc plated
DIN 912 socket head cap screws class 12.9
ISO 3506 A4-80 stainless steel bolts and nuts (SS316)
Coach Bolt style with standard specification of M30 x 175mm
Technical Support & Services
Our comprehensive support includes product selection guidance, installation instructions, maintenance tips, and troubleshooting. We provide quality assurance services with material certification and compliance verification to ensure products meet industry standards. Our expert team is available for technical inquiries and service requests.
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
