Description   Washers are disks of metal or non-metallic material placed beneath a nut, an axle bearing, or a joint, to relieve friction, prevent leakage, isolate, prevent loosening, or distribute pressure.    Image Credit: Alloy Fasteners      Types   There are many different types of washers for a variety of applications.  Lock washers are used to secure fasteners. Spring washers are a load bearing device that provides a preload...
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Q & A on Washers

We asked our users for their input on Washers. Here are the results of 45 users familiar with Washers.

Who Took Our Poll? | Design Trends | Applications and Use | Features | Buying Advice |

Design TrendsTop

Q:
What new technologies are influencing washer design?
7 answers
Answers:
Load indicating washers; neoprene/stainless steel weather washers
~Tom L, Architect, Seattle, WA
Tailor made washers are expected to make custom made suppliers
~FELIX F, Purchaser, Hosur, India
New materials and applications are influencing design.
~Purchasing, Cheshire, Great Britain
From toys to space equipment
~Simon B, Design Engineer, Noble Park, Australia
Fineblanking
~General Corporate Mgmt, Franklin, MI
CAD CAM
~General Management, OKLAHOMA CITY, OK
All
~Alex K, Project Manager, Norfolk Island, Norfolk Island

Q:
From your perspective, which companies are creating the most innovative washers?
4 answers
Answers:
Portland Bolt
~Tom L, Architect, Seattle, WA
Bokers, WCL
~Simon B, Design Engineer, Noble Park, Australia
BOKERS
~General Management, OKLAHOMA CITY, OK
All
~Alex K, Project Manager, Norfolk Island, Norfolk Island

Applications and UseTop

Q:
What are some of the applications you have used washers for?
14 answers
Answers:
Avoid chassis damage from fasteners, Major component fixing
~Other, Dubbo, Australia
Sheet metal siding and roofing; flashing application
~Tom L, Architect, Seattle, WA
Fendor rear assy in two wheelers, Number plate
~FELIX F, Purchaser, Hosur, India
Aerospace tooling / structures / mechanisms
~Engineering, Faculty/Staff/Student, San Diego, CA
Anything to do with building to engineering
~Alex K, Project Manager, Norfolk Island, Norfolk Island
Part retention, spacing, load spreading
~Engineering, Design, Loughton, United Kingdom
As a mounting spacer on switches
~Peter C, Manufacturer, Warner, Australia
Emergency eyewash equipment
~Research & Development, Sydney, Australia
Machine spindle drawbars
~Engineering, Process/Production, Elk Grove Village, IL
Spacers, Bolt seat, etc.
~Simon B, Design Engineer, Noble Park, Australia
Fixing and repairs
~Purchasing, Cheshire, Great Britain
Bolted joints
~General Corporate Mgmt, Franklin, MI
Components
~General Management, OKLAHOMA CITY, OK
Sealing
~Engineering, Design, Cardiff, United Kingdom

Q:
Please share with us any “non-standard” applications that washers have been used for.
4 answers
Answers:
Extra large outside dia with standard inside dia. Wave washer to take up slack.
~Simon B, Design Engineer, Noble Park, Australia
My design of auto body washers
~Alex K, Project Manager, Norfolk Island, Norfolk Island
No applicable examples
~Engineering, Faculty/Staff/Student, San Diego, CA
Shims
~Tom L, Architect, Seattle, WA

Q:
Do you know of any disastrous mistakes that occurred due to the incorrect usage of washers?
2 answers
Answers:
Installation error: installed with too much torque or not enough; applicator error.
~Tom L, Architect, Seattle, WA
Improper size request causing non conforming parts
~General Management, OKLAHOMA CITY, OK

FeaturesTop

Q:
What would your design or feature "wish list" be for this product?
8 answers
Answers:
Nylon washer, black, 2mm thick, 12.5mm internal diameter, 19mm outside diameter
~Peter C, Manufacturer, Warner, Australia
Neoprene/galv washer/screw: hold the prefinished paint finish
~Tom L, Architect, Seattle, WA
That my design sold and manufactured for use
~Alex K, Project Manager, Norfolk Island, Norfolk Island
Consistent material properties
~Engineering, Process/Production, Elk Grove Village, IL
Standard and custom made
~FELIX F, Purchaser, Hosur, India
No need for wish list
~Simon B, Design Engineer, Noble Park, Australia
Increased thickness
~General Management, OKLAHOMA CITY, OK
Capabilities
~General Corporate Mgmt, Franklin, MI

Buying AdviceTop

Q:
Do you have any advice for people relative to buying or using washers?
3 answers
Answers:
Pick product that matches weather resistance requirements.
~Tom L, Architect, Seattle, WA
Choose the right type for the job.
~Alex K, Project Manager, Norfolk Island, Norfolk Island
Choose wisely
~Simon B, Design Engineer, Noble Park, Australia

Q:
Is there any advice you want to share with users to help them avoid common errors in selection or usage of washers?
3 answers
Answers:
Important to match intent and use in real world (not design); review complete attachment system as well as the application process in the field to verify design intent. Verifying field conditions is very important.
~Tom L, Architect, Seattle, WA
Some similar i.d. washers have different thicknesses.
~Simon B, Design Engineer, Noble Park, Australia
As above and get advice if you're not sure.
~Alex K, Project Manager, Norfolk Island, Norfolk Island


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