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Flat washer standards.
In stock and ready to ship.
Uss washers are often characterized as having slightly larger inside diameters and outside diameters to accommodate coarse or larger bolt threads.
Flat washers protect surfaces by evenly distributing torque when a bolt or screw is tightened.
Find standard sae flat washers at lowe s today.
These washers are unhardened and intended for general use.
The american national standards institute ansi provides standards for general use flat washers.
These washers surpass most other plastic washers when.
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Washer standards l9 r 26 an960 27 astm a325 and a490 1 astm f436 34 din 125 1a 281 din 125a 17 din 433 28 din 6916 8 din 7349 34.
They prevent corrosion between a steel screw and an aluminum surface.
Size dimensional and tolerance data given is for type a plain flat washers ansi asme b18 22 1 type a plain washers designated by their nominal dimensions.
Type b is a series of flat washers with tighter tolerances where outside diameters are categorized as narrow regular or wide for specific bolt sizes.
Type a is a series of steel washers at broad tolerances where precision is not critical.
Washers provide a smooth bearing surface and are used under the head of a bolt and or a nut.
Steel flat washer hot dip galvanized fastener finish.
To request a quote for a standard uss washer fill out our fast quote form.
Choose from our selection of flat washers including general purpose washers metric general purpose washers and more.
Astm f436 astm f436.
These hardened steel washers are designed for general purpose and structural use with bolts nuts studs and other threaded fasteners.
Uss washers bolt diameter outside diameter hole diameter dimensions thickness gauge inches approx.
Plain and hot dip galvanized.
Flat washers are covered under the astm specification f844.
Steel uss type a.
A nylon washer can be placed under a machine screw to reduce noise and abrasion and offer electrical insulation.
Standard uss flat washers the united states standards uss is a standard for inch based washers.
The type b plain washers come in narrow regular and wide series with proportions designed to distribute the load over larger areas of lower strength materials.
Number in 100 lbs.
Choose these washers for their adherence to strict military standards for material and construction.
Flat washers protect surfaces by evenly distributing torque when a bolt or screw is tightened.
The hot dip galvanized fastener finish helps to resist corrosion in demanding applications.
