Get the tightest fit for your project when you use a locknut or lock washer appropriately. These tiny tools make your bolts tight, so you can rest assured that what you need fastened, will stay fastened! Why not keep a selection available for quick fix-ups? The crew at Ottawa Fastener Supply can get you set up with the best selection for the general uses around your home and work place. Give us a call today!

Due to worldwide shortage of N95 masks, hand sanitizer, sanitizing wipes, and other PPE (Personal Protective Equipment), Ottawa Fastener cannot promise delivery ETA’s for these products and will NOT be holding products for customers. If products do become available, it will be on a first come, first served basis. Please call 613 828 5311 or email sales@ottawafastenersupply.com if you are looking for these products.

Do you know when is the best instance for using a lock nut instead of a lock washer? The debate may rage based on who you speak to, but both give your bolts a tight fit. To make the right decision, consider the final environment and type of application. Here is the basic breakdown of when you will want to use a locknut over a lock washer:

FKM rubber is very stable and exceptionally resistant to oxidation, weathering, fire and swelling in most liquids as well as has excellent resistance towards hot water and vapour. Typical uses of FKM include applications that involve exposure to oils, fuels, chlorinated compounds, aromatics and strong acids at temperatures up to and above 200ºC. Its properties make FKM ideal for many demanding aerospace, automotive and industrial applications. The service temperature range of FKM is approximately between -15 to 200ºC.

O-rings are a large product group used in a wide range of applications. These applications include high temperatures, oil and fuel contact, chemicals and hot water. We offer O-rings that are manufactured to meet your expectations in most segments of the industry. The O-rings are round sealing rings that are defined by 2 dimensions, inside diameter d1 and ring thickness (cross section) d2.