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Duplex Spring Washer

Duplex Spring Washers, Duplex 2205 & Duplex 2507 Spring Lock, Split Ring & Helical Washers Supplier in Mumbai, India

Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of Duplex Spring Washers in Mumbai, India, supplying spring-type fastening components for machinery, engineering equipment, fabrication and industrial assemblies. These washers are manufactured from duplex stainless steel to provide a balance of mechanical strength and resistance to corrosive environments. We offer different diameters, thicknesses and configurations for various bolting requirements. Standard and customized dimensions can also be supplied.

Duplex Spring Washers are installed beneath nuts or bolt heads to introduce elastic tension into threaded joints and support fastening stability during operation. Their spring-loaded design helps maintain contact pressure between mating surfaces and can assist in limiting loosening caused by vibration, movement or repeated loading. Duplex stainless steel provides enhanced mechanical properties together with resistance to moisture, chlorides and other aggressive service conditions.

Duplex Spring Washer, Duplex 2205 & Duplex 2507 Spring Lock, Split Ring & Helical Washer Manufacturer & Supplier in India

These washers are suitable for offshore equipment, marine systems, chemical processing plants, oil and gas installations, pressure equipment, water treatment systems, fabrication projects and heavy engineering applications. Their duplex construction makes them useful in environments where both strength and corrosion resistance are important. Different washer dimensions and configurations can be supplied according to bolt size, assembly design and service requirements.

At Unifit Metal Alloys, we supply Duplex Spring Washers in various sizes, thicknesses, grades and finishes for standard as well as specialized applications. We cater to maintenance requirements, bulk orders and industrial projects with flexible supply options.

Get the Best Quote for Duplex Spring Washers. We Stock Duplex Spring Washers in Various Diameters, Thicknesses, Sizes, Grades and Surface Finishes. Contact Us Today for a Competitive Quote.

Specifications of Duplex Spring Washer

Material Duplex Steel
Grades UNS S31803, UNS S32205
Standard DIN 127, DIN 7980, ASME B18.21.1, ISO 8748
Size Range M3 to M100
Type Split Lock Washer, Helical Spring Washer
Shape Split, Helical
Surface Finish Plain, Polished, Passivated
Manufacturing Process Cold Formed, Stamped, Heat Treated
Corrosion Resistance Excellent Resistance to Pitting, Crevice Corrosion and Stress Corrosion Cracking
Temperature Resistance High Temperature Service
Application Oil & Gas, Marine, Chemical Processing, Petrochemical, Power Generation, Construction
Packaging Boxes, Cartons, Bulk, Individual Packs

Duplex Spring Washer Dimensions Chart

Size Inside Diameter (mm) Outside Diameter (mm) Thickness (mm)
M3 3.2 6.0 0.5
M4 4.3 7.0 0.8
M5 5.3 9.0 1.0
M6 6.4 10.0 1.6
M8 8.4 13.0 2.0
M10 10.5 17.0 2.5
M12 13.0 21.0 3.0
M14 15.0 24.0 3.0
M16 17.0 27.0 3.5
M18 19.0 30.0 3.5
M20 21.0 34.0 4.0
M22 23.0 37.0 4.0
M24 25.0 40.0 5.0
M27 28.0 44.0 5.0
M30 31.0 50.0 6.0

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Size Chart of Duplex Spring Washer

Size Inside Diameter (mm) Outside Diameter (mm) Thickness (mm)
M3 3.2 6.0 0.5
M4 4.3 7.0 0.8
M5 5.3 9.0 1.0
M6 6.4 10.0 1.6
M8 8.4 13.0 2.0
M10 10.5 17.0 2.5
M12 13.0 21.0 3.0
M14 15.0 24.0 3.0
M16 17.0 27.0 3.5
M18 19.0 30.0 3.5
M20 21.0 34.0 4.0
M22 23.0 37.0 4.0
M24 25.0 40.0 5.0
M27 28.0 44.0 5.0
M30 31.0 50.0 6.0

Ready Stock of Duplex Spring Washer

Duplex 2205 Spring Washers
Duplex UNS S31803 Spring Washers
Duplex UNS S32205 Spring Washers
Duplex 2507 Spring Washers
Duplex 2304 Spring Washers
Duplex Stainless Steel Spring Washers
Duplex Spring Lock Washers
Duplex Split Ring Washers
Duplex Helical Spring Washers
Duplex Heavy Duty Spring Washers

Duplex Spring Washer Application Industries

Refineries
90%
Oil and Gas Industry
96%
Power Generation
80%
Pharmaceutical Equipment
85%
Pulp & Paper Industry
88%