How To Use A Tooth Lock Washer

Differences between an internal tooth lock washer an external tooth lock washer.

How to use a tooth lock washer. External use lock washers also called star washers have teeth made to bite into the bearing surface. Lock washers and lock nuts prevent this from happening. Use with fasteners that have heads large enough to make contact with the teeth such as pan button and binding head screws. A lock washer is specially designed to keep nuts and bolts from coming loose.

A tooth lock washer can leave scratches on their attaching surfaces. An external tooth lock washer is designed to provide stronger holds than internal tooth washers as the teeth bite into a larger radius and are best suited to large screws. Some say the two should be used together while. The combination of internal and external teeth boosts gripping power to maintain a tight hold and provide more vibration resistance than other tooth lock washers.

Use tooth lock washers for extra force. There has been debate among engineering and other related industry experts about the use of lock washers and flat washers. Tooth washers are handy in tightening the bolts and nuts used in gas piping. With their jagged edges tooth lock washers hold the nut or threaded fastener in place with a significant amount of force.

An ordinary nut with an ordinary washer used to fasten a bolt on something that is subject to repetitive vibration say a wheel axle or engine accessory would eventually vibrate loose. However general installation guidelines for lock washers will help you to choose what type of lock washer to use on your next project. Lock washers when tightened to the required torque beneath an ordinary. Use with fasteners that have heads large enough to make contact with the external teeth such as pan button and binding head screws.

Both of these fasteners provide a locking. Tooth lock washers are made with small sharp teeth formed around the inner hole or outer diameter o d depending on the type. Step 1 place an external tooth lock washer over the threads of a bolt or screw larger than 1 2 inch diameter. For example star washers are perfect for large fastener heads while pyramidal type lock washers are for projects with high tightening torques.

There are many types of lock washers each with a particular purpose. Examples of tooth lock washers include external tooth lock washers internal tooth lock washers countersunk external tooth lock washers andinternal external toothlock washers. External tooth lock washers teeth on the outside edge of the washer bite into the screw head and joint for a tight grip. An internal tooth lock washer has teeth around the center hole while the external tooth lock washer boasts of teeth around the o d.

Internal tooth and external tooth.