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SAE and USS Washers Fasteners Supplier




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SAE and USS Flat Washers, USS & SAE Combined Flat Washer Dimensions, ASTM 194 SS 316/316L/316H SAE & USS washer fastener, Brass C270000 SAE & USS Washer Fastener, Duplex Steel S31803/S32205 SAE & USS Washer Fastener, Hastelloy B2/B3/C22 SAE & USS Washer Fastener, Incoloy 800/800H/800HT SAE & USS Washer Fastener

Detailed Information

In the manufacture and production of Superlative USS & SAE Washer Fasteners, Prashaant Steel & Alloys is experienced. We manufacture the USS & SAE Washer Fasteners at Prashaant Steel & Alloys in a range of sizes and diameters for our clients to choose from. In terms of the production of the internationally renowned USS & SAE Washer Fasteners, Prashaant Steel & Alloys is a popular company. In alloy steel, we manufacture the WP1 Buttweld Fittings, which gives different corrosive media high resistivity. The USS & SAE Washer Fasteners are also designed in compliance with our customers’ needs and specifications. We supply the wrapped product with USS & SAE Washer Fasteners packed in suitable wooden boxes to ensure minimal product deterioration for customers of Prashaant Steel & Alloys suppliers from all over the world and to ensure that the product is manufactured according to schedule. We also supply some documentation to our customers which guarantee the quality of our products. Some of the documents that we provide with our USS & SAE Washer Fasteners Are Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc.

USS Flat Washers United States Standard thread (USS thread), also known as Sellers Standard thread, Franklin Institute thread and American Standard thread is a standard for inch based threaded fasteners and washers.

Flat washers are used under bolt heads or nuts to increase the bearing area or offer greater hardness, so that the nut or bolt can be rotated without distortion of the bearing surface. Flat washers are also used to give tightness to a joint to prevent leakage and especially to distribute pressure under the head of a nut or bolt.

USS flat washers have a larger outer diameter than SAE flat washers. Unless the buyer has a specific USS or SAE requirement the buyer should consider the measurements, based on need and not whether the flat washer is USS or SAE.

SAE and USS Flat Washers Fasteners Specification


M6 to M100 in metric series,¼” to 4” in imperial..




As per drawing


Stud Bolts (Hex, Eye, Square, (U, J,) Nuts, (Nylock,) Washer (Star, Plain), Allen Caps, Screws, (CSK, Pen Head, Philip) etc

Stainless Steel

ASTM a182 , ASTM a193, ASTM 194, B8 (304), B8C (SS347), B8M (SS316), B8T (SS321), A2, A4, 304 / 304L / 304H, 310, 310S, 316 / 316L / 316H / 316 Ti, 317 / 317L, 321 / 321H, A193 B8T 347 / 347 H, 431, 410

Duplex Steel

2205, 31803, 32750, 32760, 2101, 2304

Alloy Steel

ASTM a320 L7, L7A, L7B, L7C, L70, L71, L72, L73

Carbon Steel

ASTM a193, ASTM 194, B6, B7/ B7M, B16, 2, 2HM, 2H, Gr6, B7, B7M

Grades of USS & SAE

  • Stainless Steel – Grade: ASTM a182 , ASTM a193, ASTM 194, B8 (304), B8C (SS347), B8M (SS316), B8T (SS321), A2, A4, 304 / 304L / 304H, 310, 310S, 316 / 316L / 316H / 316 Ti, 317 / 317L, 321 / 321H, A193 B8T 347 / 347 H, 431, 410
  • Carbon Steel – Grade: ASTM a193, ASTM 194, B6, B7/ B7M, B16, 2, 2HM, 2H, Gr6, B7, B7M
  • Alloy Steel – Grade: ASTM a320 L7, L7A, L7B, L7C, L70, L71, L72, L73
  • Brass – Grade: C270000
  • Naval Brass – Grade: C46200, C46400
  • Copper – Grade: 110
  • Duplex & Super Duplex – Grade: S31803, S32205
  • Aluminum – Grade: C61300, C61400, C63000, C64200
  • Hastelloy – Grade: Hastelloy B2, Hastelloy B3, Hastelloy C22, Hastelloy C276, Hastelloy X
  • Incoloy – Grade: Incoloy 800, Inconel 800H, 800HT
  • Inconel – Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718
  • Monel – Grade: Monel 400, Monel K500, Monel R-405
  • High Tensile Bolt – Grade: 9.8, 12.9, 10.9, 19.9.3
  • CUPRO-Nickel – Grade: 710, 715
  • Nickel Alloy – Grade: UNS 2200 (Nickel 200) / UNS 2201 (Nickel 201), UNS 4400 (Monel 400), UNS 8825 (Inconel 825), UNS 6600 (Inconel 600) / UNS 6601 (Inconel 601), UNS 6625 (Inconel 625),UNS 10276 (Hastelloy C 276), UNS 8020 (Alloy 20 / 20 CB 3)
USS and SAE Washer Dimensions
Flat Washer Measurements
Inside Diameter
Outside Diameter
Inside Diameter
Outside Diameter
#2 3/32″ 1/4″ 0.020″
#4 1/8″ 5/16″ 0.032″
#6 5/32″ 3/8″ 0.049″
#8 3/16″ 7/16″ 0.049″
#10 7/32″ 1/2″ 0.049″
#12 1/4″ 9/16″ 0.065″
1/4″ 5/16″ 0.734″ 0.065″ 9/32″ 5/8″ 0.065″
5/16″ 3/8″ 7/8″ 0.083″ 11/32″ 11/16″ 0.065″
3/8″ 7/16″ 1″ 0.083″ 13/32″ 13/16″ 0.065″
7/16″ 1/2″ 1-1/4″ 0.083″ 15/32″ 15/16″ 0.065″
1/2″ 9/16″ 1-3/8″ 0.109″ 17/32″ 1-1/16″ 0.095″
9/16″ 5/8″ 1-15/32″ 0.109″ 19/32″ 1-5/32″ 0.095″
5/8″ 11/16″ 1-3/4″ 0.134″ 21/32″ 1-5/16″ 0.095″
3/4″ 13/16″ 2″ 0.148″ 13/16″ 1-15/32″ 0.134″
7/8″ 15/16″ 2-1/4″ 0.165″ 15/16″ 1-3/4″ 0.134″
1″ 1-1/16″ 2-1/2″ 0.165″ 1-1/16″ 2″ 0.134″
1-1/8″ 1-1/4″ 2-3/4″ 0.165″
1-1/4″ 1-3/8″ 3″ 0.165″
1-3/8″ 1-1/2″ 3-1/4″ 0.180″
1-1/2″ 1-5/8″ 3-1/2″ 0.180″
1-5/8″ 1-3/4″ 3-3/4″ 0.180″
1-3/4″ 1-7/8″ 4″ 0.180″
2″ 2-1/8″ 4-1/2″ 0.213″
Features USS & SAE Washer
  •  Strong design
  • Anti-corrosive
  • Hassle free installation 

Fastener Applications Industries:

ASME B16.9 Degree Forged are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Socket Weld Fittings Degree Forged through a worldwide network of stock-keeping branches. Socket Weld Forged is use in various industries like :

  • Fastener uses in Paper & Pulp Companies
  • Stainless Steel Fastener uses in Oil and Gas Industry
  • Fastener Pipe Forged uses in Chemical Refinery
  • Alloy Steel Threaded Elbows Used in Pipeline
  • Fastener Pipe Forged uses in High Temperature Application
  • Fastener uses in Water Pipe Line
  • ANSI B16.9 Socket Weld Fittings Pipe Forged can be used in Nuclear power plants
  • Fastener useful for High Pressure Applications
  • Fastener Long Radius Forged uses in Fabrication and welding Job
  • Fastener uses in Food Processing and Dairy Industries
  • Fastener Short Radius Forged uses in boiler & heat exchangers

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