Washer
Washers give a smooth supporting surface for the fastener. Without the washer, bolts, nuts and screws could be pulled into the material. It also gives a flush surface during a bolt tightening procedure to create the proper seal.
washer Types
- Dock Washer
- Fender Washer
- Finishing Washer
- Flat washer - This washers are unhardened and meant for general use.
- SAE flat washer - Society of Automotive Engineers (SAE) flat washers is smaller, lighter washers use with fine threads bolts and nuts.
- USS flat washer - United States Standard (USS) flat washers are wider and use with coarse thread nuts and bolts.
- Lock Washer
- Lock Washer External Tooth
- Lock Washer Internal Tooth
- High Collar Lock Washer
- Ogee washer - These washers are designed to prevent bolt heads and nuts from being pulling into the wood. Normally used in dock and wood construction.
- Square Dock Washer
- Spring Washer
- Tapper Washer
- Tooth Washer
abbreviations
- WSHR - washer
standards
- ASTM Standards
- ASTM F436 - Standard Specification for Hardened Steel Washers
Tags: Fastener