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ASME B18.2.1 Stainless Steel Hex Bolts

Overview:

304 stainless steel is known for its excellent corrosion resistance, making it suitable for various environments, including mildly corrosive and chemical environments.
It resists rust and oxidation, which makes it a popular choice for applications where exposure to moisture and harsh conditions is a concern.


Specifications

Dimension Table

Why AYA

Product Description

Product Name  Stainless Steel Hex Head Bolts
Material  Made from 304 stainless steel, these screws have good chemical resistance and may be mildly magnetic. They are also known as A2 stainless steel.
Head Type  Hex Head
Length  Is measured from under the head
Thread Type  Coarse Thread, Fine Thread. Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance.
Standard  Screws that meet ASME B18.2.1 or formerly DIN 933 specifications comply with these dimensional standards.

Application

Stainless steel hex bolts find extensive applications across various industries due to their corrosion resistance, strength, and durability. The hexagonal head allows for easy tightening with a wrench or socket. Here are some common applications for stainless steel hex bolts:

Construction Industry:
Hex bolts are widely used in the construction of buildings and infrastructure for connecting structural elements such as beams, columns, and supports.

Automotive:
Used in the assembly of vehicles for connecting various components, including engine parts, chassis, and body structures.

Machinery and Equipment Manufacturing:
Hex bolts are integral in the manufacturing of machinery and equipment, providing secure connections for moving parts and structural components.

Electrical and Electronics:
Hex bolts are employed in the assembly of electrical panels, control cabinets, and other electronic equipment.

Railway Industry:
Used for assembling and maintaining railway tracks, bridges, and other structures in the railway sector.

Marine Applications:
Stainless steel hex bolts are resistant to corrosion, making them suitable for use in marine environments for boat construction and repairs.

Oil and Gas Sector:
Hex bolts are utilized in the construction and maintenance of oil rigs, pipelines, and other infrastructure in the oil and gas industry.

Agricultural Machinery:
Used in the manufacturing of agricultural equipment and machinery, such as tractors and plows.

Renewable Energy Projects:
Hex bolts are used in the construction of wind turbines, solar panel structures, and other renewable energy infrastructure.

Water Treatment Facilities:
Hex bolts are employed in the assembly and maintenance of water treatment plants, ensuring secure connections in various equipment and structures.

Food and Beverage Processing:
Stainless steel hexagon bolts are suitable for the food and beverage industry due to their corrosion resistance, used in the assembly of processing equipment.

HVAC (Heating, Ventilation, and Air Conditioning):
Utilized in the installation and maintenance of HVAC systems for securing components and structures.


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  • ASME B18.2.1

    Stainless Steel Hex Bolts DIN 933

     

    Nominal Size or Basic Product Diameter Full-Size Body Diameter, E (See Paras. 3.4 and 3.5) Width Across Flats, F (See Para. 2.1.2) Width Across Corners, G Head Height, H Radius of Fillet, R Nominal Thread Length for Bolt Lengths, LT(See Para. 3.7)
    Max. Min. Basic Mаx. Min. Max. Min. Basic Max. Min. Max. Min. 6 in. and Shorter Over 6 in.
    1/4 0.2500 0.260 0.237 7/16 0.438 0.425 0.505 0.484 11/64 0.188 0.150 0.03 0.01 0.750 1.000
    5/16 0.3125 0.324 0.298 1/2 0.500 0.484 0.577 0.552 7/32 0.235 0.195 0.03 0.01 0.875 1.125
    3/8 0.3750 0.388 0.360 9/16 0.562 0.544 0.650 0.620 1/4 0.268 0.226 0.03 0.01 1.000 1.250
    7/16 0.4375 0.452 0.421 5/8 0.625 0.603 0.722 0.687 19/64 0.316 0.272 0.03 0.01 1.125 1.375
    1/2 0.5000 0.515 0.482 3/4 0.750 0.725 0.866 0.826 11/32 0.364 0.302 0.03 0.01 1.250 1.500
    5/8 0.6250 0.642 0.605 15/16 0.938 0.906 1.083 1.033 27/64 0.444 0.378 0.03 0.02 1.500 1.750
    3/4 0.7500 0.768 0.729 1-1/8 1.125 1.088 1.299 1.240 1/2 0.524 0.455 0.06 0.02 1.750 2.000
    7/8 0.8750 0.895 0.852 1-5/16 1.312 1.269 1.516 1.447 37/64 0.604 0.531 0.06 0.02 2.000 2.250
     1 1.0000 1.022 0.976 1/1/2 1.500 1.450 1.732 1.653 43/64 0.700 0.591 0.06 0.03 2.250 2.500
    1-1/8 1.1250 1.149 1.098 1-11/16 1.688 1.631 1.949 1.859 3/4 0.780 0.658 0.09 0.03 2.500 2.750
     1-1/4 1.2500 1.277 1.223 1-7/8 1.875 1.812 2.165 2.066 27/32 0.876 0.749 0.09 0.03 2.750 3.000
    1-3/8 1.3750 1.404 1.345 2-1/16 2.062 1.994 2.382 2.273 29/32 0.940 0.810 0.09 0.03 3.000 3.250
    1-1/2 1.5000 1.531 1.470 2-1/4 2.250 2.175 2.598 2.480 1 1.036 0.902 0.09 0.03 3.250 3.500
    1-5/8 1.6250 1.685 1.591 2-7/16 2.438 2.356 2.815 2.616 1-3/32 1.116 0.978 0.09 0.03 3.500 3.750
     1-3/4 1.7500 1.785 1.716 2-5/8 2.625 2.538 3.031 2.893 1-5/32 1.196 1.054 0.12 0.04 3.750 4.000
    1-7/8 1.8750 1.912 1.839 2-13/16 2.812 2.719 3.248 3.099 1-1/4 1.276 1.130 0.12 0.04 4.000 4.250
    2 2.0000 2.039 1.964 3 3.000 2.900 3.464 3.306 1-11/32 1.388 1.175 0.12 0.04 4.250 4.500
    2-1/4 2.2500 2.305 2.214 3-3/8 3.375 3.262 3.897 3.719 1-1/2 1.548 1.327 0.19 0.06 4.750 5.000
    2-1/2 2.5000 2.559 2.461 3-3/4 3.750 3.625 4.330 4.133 1-21/32 1.708 1.479 0.19 0.06 5.250 5.500
    2-3/4 2.7500 2.827 2.711 4-1/8 4.125 3.988 4.763 4.546 1-13/16 1.869 1.632 0.19 0.06 5.750 6.000
    3 3.0000 3.081 2.961 4-1/2 4.500 4.350 5.196 4.959 2 2.060 1.815 0.19 0.06 6.250 6.500
    3-1/4 3.2500 3.335 3.210 4-7/8 4.875 4.712 5.629 5.372 2-3/16 2.251 1.936 0.19 0.06 6.750 7.000
    3-1/2 3.5000 3.589 3.461 5-1/4 5.250 5.075 6.062 5.786 2-5/16 2.380 2.057 0.19 0.06 7.250 7.500
    3-3/4 3.7500 3.858 3.726 5-5/8 5.625 5.437 6.495 6.198 2-1/2 2.572 2.241 0.19 0.06 7.750 8.000
    4 4.0000 4.111 3.975 6 6.000 5.800 6.928 6.612 2-11/16 2.764 2.424 0.19 0.06 8.250 8.500

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