Tag Archives: tolerances

F1554 Anchor Bolt Tolerances

What are the tolerances for F1554 anchor bolts?

In our Live Chat, numerous customers have asked us about tolerances under the F1554 specification relating to things like diameter, length, straightness, and many other parameters. While a customer always has the option of specifying a particular set of tolerances they may require for any bolt, what are the default tolerances for anchor bolts under... Read more

Bolt Length Tolerance

What is the length tolerance for a bolt?

ASME B18.2.1 has a table that deals with the length tolerance for square, hex, heavy hex, and askew head bolts. It also has a section for lag screws as well as tighter tolerance cap screws. The tolerance varies greatly per diameter and length of the fastener. See the table below. ASTM A325 and A490 heavy... Read more