This section provides an overview for spherical washers as well as their applications and principles. Also, please take a look at the list of 16 spherical washer manufacturers and their company rankings. Here are the top-ranked spherical washer companies as of December, 2023: 1.Carr Lane Manufacturing, 2.OneMonroe (Monroe Engineering Products).
A spherical washer is a washer that uses two washers together in a set: a concave washer with a flat and spherical surface on one side and a concave-convex washer with a flat and convex spherical surface on the other side.
Spherical washers are used to correct the angle of the shaft of a tap or bolt that has been tightened at an angle and cannot be removed.
When a bolt is angled, only a portion of the axial force applied to the bolt is transmitted to the base metal, which reduces the axial force on the base metal, and the remaining force is consumed as frictional force in the gap.
The angle that can be compensated by a spherical washer is about 3 degrees. If the angle is too large, using a spherical washer will not be effective, so tightening the bolt as much as possible will improve the force being consumed.
Spherical washers are used to absorb and compensate for the angle of a bolt or tap shaft that has been tightened at an angle.
The spherical washer is placed so that the concave side of the washer contacts the base metal and the convex side contacts the top of the bolt. By tightening the bolt in this condition, the angle of the bolt fixed at an angle is reduced and the bolt can be tightened so that the seating surface does not float.
It should be noted that the axial force is reduced by not transmitting enough force from the bolt.
Spherical washers use two pairs of concavo-convex spherical surfaces on each side to reduce the inclination created between the bolt and the base metal, and to correct the tightening of bolts that have been tightened at an angle.
As the inclination increases, the area of the bolt in contact with the base metal becomes smaller, causing it to cave in, or to slip, because the axial force is no longer transmitted to the base metal.
The spherical washer is placed between the angled bolt and the base metal, and tightened in this condition, the convex spherical surface slides over the concave spherical surface as the bolt is tightened, and the convex spherical washer naturally corrects itself to the same angle as the bolt axis, preventing the seating surface from floating. This prevents the seat from floating.
*Including some distributors, etc.
Sort by Features
Sort by Area
AirLoc Corp., founded in 1953 and located in Franklin, Massachusetts, is a manufacturer and installer of isolation pads, isolation systems, levelers, and mounts. The company offers a range of products that include vibration isolation pads, jacmount adjustable levelers, wedgemount precision levelers, horizontal supports, and accessories. These products are used to control vibrations, ensure equipment stability, and provide precise leveling in applications ranging from industrial machinery and HVAC systems to laboratories and semiconductor manufacturing. The company caters to industries such as semiconductor manufacturing, commercial buildings, printing and packaging, conveyor systems, and construction.
NBK America LLC, founded in 2015 and based in King of Prussia, Pennsylvania, is an American manufacturer and a subsidiary of Japan's Nabeya Bi-tech Kaisha, specializing in mechanical components. Their product range includes couplings, like miniature shaft couplings for precision machine tools and semiconductor manufacturing equipment, special screws, such as vacuum application screws and other machine components. NBK offers finite automaton (FA) solutions, including wireless positioning units for production lines and setup operations. NBK provides machine component servicing, such as vibration resistance treatment and laser engraving. Services for couplings and special screws include coupling stainless steel screw alteration and screw length adjustment.
Mädler North America was founded in 2020 as the US-based subsidiary of Mädler which was founded in Berlin, Germany in 1882. Mädler specializes in manufacturing precision-made machine parts. Product lines include linear guides, bearings, bushes, bevel gears, worm wheels, castors and wheel systems, couplings, fastening elements, clutches, gear boxes, idlers, linear bearings, locking assemblies, machine mounts, elements for pneumatic machines various joints, rubber padding and dampers, splined shafts and hubs, sprockets, timing belts, spindles, adhesives, sealants, and other assorted accessories.
TE-CO Workholding was founded in 1926 and is headquartered in Union, Ohio. The company is a manufacturer of work-holding technology and tooling components sold nationally and internationally through distributors. The company’s product segments include Tooling Components, Tooled Vise WOrkholding Systems, Spring Loaded Devices, Clamping Levers, and CMM Picturing & Inspection Components. The Company also offers 2D and 3D CAD models, drawings, and detailed information in various data formats to assist customers in choosing and modifying designs for their needs.
Morton Machine Works was founded in 1939 and is headquartered in Millersburg, Pennsylvania. The company is a manufacturer of tooling components supplying to industrial distributors, catalog houses, and OEMs throughout the world. The company offers custom manufacturing capabilities in an ISO 9001-certified facility for customers in industries such as metalworking, OEM, automotive, aerospace, and medical industries. The company’s product categories include various fasteners, plungers, leveling pads, locating components, and work holding components.
OneMonroe was founded in the 1920s and is located in Rochester Hills, Michigan. OneMonroe is an ISO 9001:2015 and AS9100D certified global industrial manufacturing company serving several types of customers including manufacturers, distributors and catalog-houses across several vertical markets including aerospace/defense, automotive, medical, and transportation. Product lines include adjustable handles, bearings, casters, gaskets, hydraulic clamping, military spec hinges, molded rubber, piano hinges, pins, pull handles, quick release pins, seals, springs, toggle clamps, and various harnesses. Custom manufacturing is also available to meet specific customer needs.
Erwin Halder KG, established in 1938 in Bronnen, Germany, is a manufacturer of workholding systems, standard parts, aviation products, and hand tools. The company's comprehensive product range includes efficient workholding systems for manufacturing, DIN/ISO-compliant standard parts, machine and fixture elements, along with versatile hand tools like mallets, sledge hammers, and locksmith's tools. Their ISO 9100-certified aviation products encompass ball lock pins, detent pins, and associated accessories. Additionally, Erwin Halder KG provides support for prototype development and all types of production volumes.
SKF UK is the British division of SKF, originally founded in 1907 and headquartered in Gothenburg, Sweden. SKF designs, develops, and manufacturers bearings, seals, lubrication systems, and services worldwide, with industrial and automotive segments, providing solutions for industries including aerospace, agriculture, transportation, food and beverage, general machinery, material handling, mining, energy, paper, and wind energy. SKF UK offers rolling bearings, mounted bearings, automotive seals, lubrication management, vehicle aftermarket services, waste electric products, and electronic equipment products as well as services including maintenance, remanufacturing, customization, and training.
SUPER TOOL Co., Ltd., established in 1918 in Japan, is a manufacturer of general and specialized tools for building and bridge construction, civil engineering, shipbuilding, and similar industries. The company offers an extensive line of specialty tools used by tradespeople and skilled workers that includes ratchet wrenches, clamps, portable cranes, jig clamping tools, piping tools, and more. SUPER TOOL Co., Ltd. also offers custom tool design and production as well as custom machinery production for commercial clients.
Aspen Fasteners was founded in 1961 and headquartered in Las Vegas, Nevada. Aspen Fasteners is a distributor for industrial fasters. Aspen Fasteners offers an extensive line in both metric and inch standards of anchors, bolts, nuts, screws, washers, rings, pins, pipe plugs, rivets, inserts, rods, studs, spacers, standoffs, panel fasteners, and tools including adapters, drivers anchor setting tools, keys, measuring tools, screwdriver insert bits, and screwdriver power bits. Material types include aluminum, brass, copper, iron, lead alloy, monel nickel copper alloy, nylon, phosphor bronze, plastic, silicon bronze, stainless steel, steel, and zinc.
GanterNorm, established in 1894 and located in Furtwangen, Germany, is a manufacturer and supplier of standard machine elements specializing in clamping, operating, and fixture components. With an extensive catalog comprising over 70,000 readily available parts, it serves a diverse clientele. Among its offerings are GN 115 stainless steel latches with lockable operating elements, GN 449.4 plastic snap latches with gripping tray, GN 938 zinc die casting hinges for panels, GN 515 latches with extended housing and operating elements, and GN 282.9 plastic swivel clamp connector joints.
Balaji Engineering Company, established in 2010, is a manufacturer and trader of Industrial Clamp Devices, Grinding Accessories, located in Navi Mumbai, India. The company is led by founder, Mr. Sachin Shinde and backed by a team of over 50 professionals. Balaji's comprehensive product range includes industrial grinding accessories, clamping devices, lathe tools, and more. Infused with features and applications, the company's products serve various industries globally. Balaji is a Trade India trusted partner and has more than 34 products are listed among different product categories.