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18-8 Stainless Steel Hex Bolts ASME B18.2.1

Overview:

Provides excellent corrosion resistance, strength, and durability, making these stainless steel bolts suitable for a wide range of applications. The hex head design ensures easy installation and removal, while the polished finish adds an aesthetic appeal, making them ideal for both functional and decorative purposes.


Specifications

Dimension Table

Why AYA

Product Description

Commodity  18-8 Stainless Steel Hex Bolts
Material  Made from 18-8 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.

Advantage 

Excellent Corrosion Resistance  Resists rust and corrosion in humid or mildly corrosive environments. 
High Strength  Suitable for moderate-load applications, ensuring reliable performance. 
Aesthetic Finish  Polished surface adds a sleek, professional look for visible applications.

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  • 1

    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 Max. 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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