The shank is the shaft like part of the bolt. There are two main ways of using the shank of the bolt.

Solved An M14 Times 2 Steel Hex Head Bolt With A Nut And
Shank length of bolt. Mm standard thread length mm. Divide the number by 16 to find the grip length in inches. Fits most audi a few bmws a few mercedes most vw fits all 5 lug. Bolt bolt set. Also called minor diameter. Metric standard thread length for bolts.
Use calipers to obtain an accurate measure of the shanks diameter. The fastener diameter is almost always the thread diameter or major diameter. It is your responsibility to double check your bolt pattern on your vehicle. For an bolts refer to a chart to find the grip length. The other way is to reduce the shank to increase the elastic resilience of the joint. It is common for people to refer to hex bolts by the size of the head measured across the flats this is also the size wrench the bolt uses.
For example the part number nas464 5l20 has 20 for the last digits so dividing by 16 indicates a grip length of 1 14 inches. Which means that a bolt that connects a rod end to the chassis mounts must look like this. Measure the diameter of the shank. It is the first measurement used to describe the bolt. The threaded length of the bolt is the section which should be used to fasten the nut onto the bolt and for that reason only all the other bending load must be taken up by the shank region. The shank is the threadless part of the bolt between the head and thread.
516 24 corrosion resistant steel undrilled shank an5 series bolt manufacturer certifications are shipped with your order free of charge add to cart. One is to make the shank increase the shearing capacity. Bolts 125mm and shorter. Shop for us hex bolts. This listing is for a 10 piece set of cone. Bolts longer than 125mm.
In the above example 12 inch is the shanks diameter.