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Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Washers, Collars

Washers are parts used for screw tightening and spacers, and are also called washers. When seated on a screw, the seat area is increased, so it is used to prevent loosening. Also, tightening screws made of soft material such as aluminum, resin, etc. has the effect of preventing the sinking of the seat surface. The size and shape of washers used for screws and bolts are determined by JIS. The collar is a cylindrical spacer that is inserted into the end of the shaft and used for positioning. Washers with shorter collar lengths have no size or shape specifications, and their names change depending on the purpose of use. MISUMI has approximately 30,000 items, and we ship as little as one item with free shipping. Washers and collars can be selected from metal, non-metal, and other materials depending on the material, and they can be used according to various applications such as shapes, such as straight, flanged, counterbore, inner and outer diameter sizes, etc.

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Washers, Collars

FAQ about Washers and Spacers

Question: Do the metal washers and spacers are hardening overall product?: Answer: Overall hardening (by immersion quenching)
Question: What is the difference between normal grade and precision grade metal washers?: Answer: T-dimension tolerance and surface roughness is difference.
Question: What is the difference between normal grade and precision grade metal spacers?: Answer: L-dimension tolerance and surface roughness is difference.
Question: Do you offer washers product that compatible with JIS standard?: Answer: No.
JIS standard compatible products are available with other manufacturer products in VONA.
Please select by searching with keyword "JIS Washers"
Question: Do you offer metal spacers with L-dimension smaller than 10mm?: Answer: No.
Please check on 1mm Metal washers which available from 1mm length.
Question: What are washers and spacers?: Answer: Washers and spacers are thin, flat rings with a hole in the center. They are used in conjunction with fasteners like bolts and nuts.

Washers are multi-purpose and serve several functions, including:

Distributing load over a larger area
Preventing damage to the surface from the fastener
Reducing vibration
Providing space between components

Spacers are a specific type of washer designed for precise applications. They offer tighter tolerances and are made for specific dimensional requirements.
Question: What are the different types of washers?: Answer: There are many types of washers, each with a specific purpose. Some common types include:
Flat washers: The most basic type, for distributing load and preventing damage.
Lock washers: Designed to resist loosening due to vibration.
Split washers: Similar to lock washers, but with a single cut allowing for some adjustability.