How To Use A Star Lock Washer

A lock washer is specially designed to keep nuts and bolts from coming loose.

How to use a star lock washer. The jagged edged ring the star lock washer should go in the bolt first followed by the smooth washer then finally the screw nut. This post gives you the answer and explains why this lock washer flat washer placement is best. Instead of using grooves it operates more like a spring holding the threaded fastener in place with friction. 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.

Lock washers when tightened to the required torque beneath an ordinary. Ring terminals have been in use for 100 years and sae j1908 electrical grounding practices for vehicles does not allow serrated hardware but many electrical components seem to be migrating towards a lower cost to replace the two with a single serrated nut or replacing the flat with a star washer and it causes hot spots as seen in infrared. Use a split lock on a small low intensity job since bigger loads will flatten the washer and make it useless. 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.

I need to fit a starlock washer to our mower however i don t have the correct tool and i can t see anywhere that sells them to the public at least and i m not sure i ll be able to get the tool in anyways so i was wondering if anyone out there knows a way to fitting them without using the tool. Each washer has a split that ensures that the washer grips the material surface. Lock washers and lock nuts prevent this from happening. The way it is in the picture face the jagged end towards the nut.

A tooth lock washer can leave scratches on their attaching surfaces. A split lock washer also known as a helical spring washer is the most common form of lock washer. External use lock washers also called star washers have teeth made to bite into the bearing surface. There are many types of lock washers each with a particular purpose.

For example star washers are perfect for large fastener heads while pyramidal type lock washers are for projects with high tightening torques.