Bolt Head Markings: What do they mean? | Fasteners 101

Fasteners bear all forms of markings on their heads, from number and letters, to shapes and hash marks. But what do they mean? In this video our fastener specialist covers several more common head markings on bolts and what they can tell you about the fastener. Got a handle on the different head markings on bolts? Than feel free to get your own here: https://www.albanycountyfasteners.com/hex-bolts-tap-and-hex-cap/277.htm For all your fastener needs, please visit us: https://www.albanycountyfasteners.com For more Fasteners 101 information, please visit our website here: https://www.albanycountyfasteners.com/Fastener-Education-and-Information-s/1128.htm