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washer
A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a bolt or nut. Other uses are as a spacer, spring (Belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer). Washers often have an outer diameter (OD) about twice their inner diameter (ID), but this can vary quite widely.
Washers are usually metal or plastic. High-quality bolted joints require hardened steel washers to prevent the loss of pre-load due to brinelling after the torque is applied. Washers are also important for preventing galvanic corrosion, particularly by insulating steel screws from aluminium surfaces. They may also be used in rotating applications, as a bearing. A thrust washer is used when a rolling element bearing is not needed either from a cost-performance perspective or due to space restraints. Coatings can be used in attempt to reduce wear and friction either by hardening their surface, or providing a solid lubricant (i.e. a self-lubricating surface).
The origin of the word is unknown; the first recorded use of the word was in 1346, however, the first time its definition was recorded was in 1611.Rubber or fiber gaskets used in taps (or faucets, or valves) as seal against water leaks are sometimes referred to colloquially as washers; but, while they may look similar, washers and gaskets are usually designed for different functions and made differently.
I struck out today looking for a tapered washer for the muzzle of my Sig Cross. NW Armory had none, neither did Curt’s. Looking for one to fit 5/8” (.308). Will pay retail for ones over $20, and for anything that retails under, I will still pay $20. Cash. Anyone able to help me out before I just...
Hello! Wife says I need to get rid of some things I don't use, so here's what I got! Most things priced to sell, open to trades but looking for specific things.
Trades
x3 Blue force gear vickers sling PADDED
x2 surplus, preferably new canteen w/pouch
x1 earth tone color Osprey(or equivalent)...
Recently picked up an electric start pressure washer and then shortly thereafter was given a similar pressure washer without electric start so I decided to sell the electric start unit.
Specs are
Honda gx390 13hp electric start
Comet zwd 4040 triplex pump
External unloaded
12v 4ah sealed...
I bought this PW a good number of years ago but only used it 2 or 3 times. It's been in the shed for a few years but with a new spark plug and fresh gas, it started on second pull. Unfortunately, the hose burst sometime during the freeze ....so no hose. Wand and tips yes.....but no hose...
Was going to build a pressure washer trailer but went a different direction so decided to sell my pressure washer.
Honda gx690 24hp 690cc v twin engine
Belt drive general tsf2021 pump
This unit has zero hrs on it, a 12v battery was hooked up just to verify hrs.
Has a steel frame with rubber...
Selling a be power pressure washer very little use, I rent and rarely need it at my house.
Honda gx390 13hp engine
Cat pump pushing 4gpm at 4k psi (adjustable)
Powder coated steel frame with flat free tires
Black single braid 50ft 3/8 hose
26 inch gun wand assembly
Chemical injector
4 tips
Great...
Used only twice, in very good condition, see pictures. This was part of an SBR build that I have recently reconfigured as a Commando.
$25 Cash, Paypal Friends and Family, VenMo, or CashApp.
Free ship in the Pacific Northwest by USPS First Class. In person only M-F 7am-2pm at my company in...
Selling a BE power commercial pressure washer with very little use.
Specs are
Powder coated steel frame
Flat free 12 inch wheels
Honda gx390 13hp direct drive engine
Cat triplex pump pushing 4gpm at 4k psi can be turned down for smaller projects via the external unloader
Includes tips, gun, and...
Cleaning out the garage and this needs to go. Pump is bad. Motor runs like a top and the oil was recently changed. It's got the Subaru motor.
Find a cheap chinese pump on ebay and you're in business. You could do worse for fifty bucks.
Will meet up in the Beav/Tigard/Sherwood area-ish.
I have a Maytag Washer and dryer. Both work fine. The only thing with the dryer is the buzzed will not turn off unless the door is open. $100 for both. would have to pick up.
Up for sale is a older Coleman power mate pressure washer. Originally belonged to my grandfather who had a couple, so I don't believe it got much use. I fixed my other one and don't need 2. Usually needs a little starting fluid to start but runs great and works good. Asking 125$ obo or trade...
Need a crush washer for an AR 15 birdcage.
1/2”x28 threads
Also looking for just the spring for the dust cover or I’ll buy the whole upper parts kit if you’d rather.
NW Vancouver preference but willing to drive a little bit.
Just hoping someone nearby has a spare they would let go at a...
Bought a new house and they left there washer and dryer. So im left with our samsungs we bought 2 Christmas's ago. They are stackable worked great moved in August of last year and never brought them out of our shop since. I added the web page it's easier than trying to be a sales person. I...