Standard thread pitch explanations and a chart showing number of threads per inch for National Coarse, National Fine and 8 Pitch threads.

Torque values for various grades and diameters of fasteners.

Thread Pitch Chart Thread Pitch Chart Standard thread pitch explanations and a chart showing number of threads per inch for National Coarse, National Fine and 8 Pitch threads.

Hex bolts are a commonly used construction fastener. We manufacture hex head bolts up to 2-1/2" in diameter.

Jun 15, 2023 · The thread length of anchor bolts change significantly depending on the application, projection from the top of concrete, and a number of other factors. Most structural drawings will …

May 10, 2024 · Below are the three of the most common thread series utilized in the fastener industry. For specific dimensions, see our Thread Pitch Chart Coarse Thread Series Unified National Coarse …

Apr 3, 2024 · In comparison, A193 Grade B7 heavy hex bolts follow a standard threading formula of 2 times the bolt diameter plus 1/4″ if 6” in length or less or plus 1/2″ if above 6” in length. As with the …

Heavy hex structural bolts range from 1/2" to 1-1/2" diameter and are manufactured to ASTM A325 and A490 specifications.

Portland Bolt manufactures carriage bolts from 1/2″ diameter through 1-1/4″ diameter in most ASTM, AASHTO, and SAE specifications. Special tooling can be created to produce nonstandard head …

Heavy hex bolts offer a larger head pattern than a traditional hex bolt. We can manufacture heavy hex bolts up to 2-1/2" in diameter.