NBK America LLC Datasheets for Washers
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.
Washers: Learn more
Product Name | Notes |
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High Intensity Flat Washers -- SWF | Flat washers for high intensity screws. The surface area is twice or more of that of standard washers. Washers eliminate bolt looseness by preventing the sinking of the bearing surface. |
Ribbed Lock Washers -- SWR
Ribbed Lock Washers -- SWRS |
Ribs on both sides of the washer hook onto the bolt bearing surface and intended attachment section to prevent looseness due to vibration. Washers for loosing prevention. For connecting locations... |
Inconel Washer -- SWAI-F | Screws show excellent corrosion resistance against oxidizing and reducing by inorganic and organic acids.⇒The Properties of Screws Made of Special Materials Excellent resistance to stress corrosion cracking caused by hydrogen... |
Seal washer -- SWS-E
Seal washer -- SWS-S |
Seal washer incorporating rubber packing in a stainless steel washer. Prevents air/liquid leakage from the seating surface of the screw head. During screw tightening, the rubber bonds with the screw... |
Seal Washers - Teflon Coating -- SWS-HTF | Sealing washers with a built-in rubber seal. Sealing washers prevent the leakage of gas and liquid from the bearing surface of the screw head. The washer body is coated with... |
Washers - Titanium -- SWAT-F
Washers - Titanium -- SWAT-S |
Specific gravity is approximately 60% of stainless steel. Nonmagnetic. Excellent chemical and seawater resistance. Chemical polishing and brightening processing improve the screw surface. Furthermore, the screws are cleanroom washed, cleanroom... |
Seal Washer -- SWS
Seal Washer -- SWS-F |
Stainless steel sealing washers with a built-in rubber seal. Washers prevent the leakage of gas and liquid from the bearing surface of the screw head. The rubber does not escape... |
Washers with Ventilation Grooves - Titanium -- SWAT-VF
Washers with Ventilation Grooves -- SWAS-VF Washers with Ventilation Grooves -- SWAS-VF-PC |
The ventilation groove easily releases gas trapped in the drill holes of equipment and machines, and supports vacuum drawing of vacuum devices. Cleanroom wash and cleanroom packing are completed.⇒Cleanroom Wash... |
Adjust Metal Washer - Stainless Steel -- SWAS-AW
Adjust Metal Washer - Stainless Steel Black -- SWAS-AWBK Adjust Metal Washer - Steel - Electroless Nickel Plating -- SWA-AWEL Adjust Metal Washer - Steel - Ferrosoferric Oxide Film -- SWA-AW |
There is a variety of outside diameters and thickness relative to normal plain washers. For securing seating surface on the long hole position and engagement of materials with low marginal... |
Washers - Molybdenum -- SWAM-F | These nuts and washers are made of pure molybdenum. Melting Point: 2623 deg C. Excellent heat resistance. |
Spherical Washers -- SQW
Spherical Washers -- SQWS |
Use a concave and convex set. Washers can absorb a tilt of the bolt and bearing surface to a maximum of 2°. |
Eccentric Lock Washer™ -- SWAS-EW | Vibration resistant treatment effect can be achieved simply by using commercially available hexagon nuts. Hexagon nuts can be tightened by hand until tightening force applies, for simple mounting. Use the... |
Rosette Washer -- SWAS-RW | Washer for Flat Head Screw. A Flat Head Screw can be used without countersinking. It decorates the mounting part beautifully by sleek spherical shape. |
Washer -- LY
Washer -- LY-N |
Washer to be used with the pull. It decorates the mounting part of the pull beautifully. Pull compatible with washer UNF UNFS UNFA (UNFUNF-HUNF-SHUNFSUNFS-HUNFS-SHUNFA) TGY TG (TGYTG) UGF (UGF) LY... |
Captive Washer for Pull (with Captive Screw) -- LYSC-N-SSC
Captive Washer for Pull -- LYSC-N |
With a pull mounted on it, the pull mounting surface is beautifully decorated while falling of screws within the enclosure is prevented. No additional modification of cover or door is... |