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

Torque values provide a helpful estimate, but torque alone can’t guarantee proper bolt tension. For a more accurate, visual confirmation, learn about Applied Bolting’s Squirter® DTI washers. …

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 …

All thread rod, commonly referred to as fully threaded rod, redi-rod, continuously threaded rod, TFL rod, and abbreviated ATR is used for general purpose fastening for anything from an …

Portland Bolt manufactures carriage bolts from 1/2" diameter through 1-1/4" diameter in most ASTM, AASHTO, and SAE specifications.

Apr 7, 2023 · Rolled vs Cut Thread Bolts What is the difference between a bolt with rolled threads and one with cut threads and does a fastener with a reduced body and rolled threads meet …

Oct 27, 2014 · ASTM A193-B7 Thread Pitch What bolts are available in ASTM A193-B7 and what is the appropriate thread pitch to specify? “My plant uses hex head cap screws, ASTM A193 …

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 …

Counter sunk bolts are specified when a smooth surface is require. We manufacture countersunk bolts up to 1-1/2" in diameter.

Oct 23, 2019 · Bolts manufactured to the ASTM A325 specification have a fixed thread length for a given diameter, which is often shorter than other grades of bolts. For example, a 3/4″ …