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

Nov 20, 2023 · Lag screws are used in wood and are installed by rotating the head to screw the lag screw into the wood. Since lag screws are designed to drive into the wood instead of being secured …

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.

Torque values for various grades and diameters of fasteners.

Information regarding the lead hole diameter required for various sizes of lag screws manufactured by Portland Bolt.

The lag thread is deeper and sharper than national coarse thread since it is designed to drive into wood and not to be used with a nut. Imported hex lag screws normally originate from Asia, possess a …

Turnbuckles are provided as components of tie rod assemblies that Portland Bolt manufactures and are often used in conjunction with clevises.

Jun 15, 2023 · Carriage Bolts ASME B18.5 it states that the thread lengths for carriage bolts 6″ in length and under have a thread length that is twice the diameter plus a 1/4″ and bolts longer than 6″ have a …

Bolt lengths > 6″: Thread length = (2 X diameter) + 1/2″ Note: Most imported stock carriage bolts have a thread length of 6″ and are fully threaded when the bolt length is 6″ or shorter.

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