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Head Diam.: The diameter of the head is used in conjunction with the shank diameter to calculate the effective surface area of the head.
EffShank Len. Length: The effective length of the shank is measured from the base of the head to the back face of the plate.
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Threads per [unit of length]: # of threads per unit of length.
EffEmbed. Len. Length: The embedment length is the distance from the face of the concrete to the outermost part of the bolt.
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Bar Size: Bar size is the US designation, 3-11.
EffEmbed. Len. Length: The effective embedment length is measured from the back face of the plate to the end of the bar.
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