What is SAE flat washer?
SAE Flat Washers are developed to be a smaller, thinner alternative to the standard USS Flat Washers. SAE Flat Washers feature a smaller outside diameter when compared with USS Washers. When referring to bolts, SAE Washers or Type A Flat Washers are fine threads while USS Washers are coarse threads.
What size is a 1/4 washer?
USS and SAE Washer Dimensions
| Size | USS | SAE |
|---|---|---|
| Inside Diameter (A) | Outside Diameter (B) | |
| 1/4″ | 5/16″ | 5/8″ |
| 5/16″ | 3/8″ | 11/16″ |
| 3/8″ | 7/16″ | 13/16″ |
What is the inside diameter of a ΒΌ SAE flat washer?
| Product details | |
|---|---|
| Inside diameter: | 9/32″ |
| Inside diameter Min: | 0.276″ |
| Inside diameter Max: | 0.296″ |
| Thickness Min: | 0.051″ |
What is the OD of a 1/4 flat washer?
0.625″
RoHS
| Bolt Size | 1/4″ |
|---|---|
| Outer Diameter | 0.625″ |
| Style | Small OD |
| System of Measurement | Imperial (Inch) |
| Type | General Purpose Flat Washer |
What is the difference between USS and SAE?
USS are coarse threads, while SAE are fine threads.
What does USS stand for in washers?
They offer a normal outer diameter but an inner diameter that is greater than what you would find with a fender washer. USS stands for United States Standard, and USS flat washers were initially designed and developed to meet a wide range of common applications in the manufacturing industry.
How thick is a 1/4 flat washer?
0.050″
Standard Round Washers in 304 Stainless Steel
| Flat Washer Sizes | Inner Diameter (ID) | Washer Thickness |
|---|---|---|
| 1/4″ | 0.281″ | 0.050″ |
| 5/16″ | 0.343″ | 0.050″ |
| 3/8″ | 0.406″ | 0.050″ |
| 7/16″ | 0.500″ | 0.062″ |
What are flat washers?
Flat washers Also known as plain washers, their purpose is to distribute the fastener’s load while reducing heat and friction during the tightening process. They can also be used as spacers, as is common in industrial and domestic applications. Flat washers are also called on to provide electrical insulation.
How are flat washers sized?
Washer size refers to its nominal hole size and is based on screw size. Its outside diameter (OD) is always larger. Size and OD are usually specified in fractional inches, although decimal inches may be used instead.
How are flat washers sizes?
Flat washer sizes are designated by the shank diameter of the fastener in which they form part of the assembly.
How thick is a flat washer?
Standard Round Washers in 304 Stainless Steel
| Flat Washer Sizes | Inner Diameter (ID) | Washer Thickness |
|---|---|---|
| 7/16″ | 0.500″ | 0.062″ |
| 1/2″ | 0.531″ | 0.062″ |
| 9/16″ | 0.625″ | 0.078″ |
| 5/8″ | 0.687″ | 0.078″ |
How big of a carton for a SAE flat washer?
Galvanized washers are also available but not as a stock product and not in all sizes. SAE Flat Washers are available in 50 lb cartons, also known as 1/4 kegs. ANSI Specifications allow a tolerance of plus or minus one gauge on nominal thickness of commercial washers. For flat washers requiring non-standard dimensions, please see Flat Washers.
Are there any galvanized SAE flat washers available?
All listed sizes of SAE flatwashers are available in steel with either a plain or clear zinc finish. Galvanized washers are also available but not as a stock product and not in all sizes.
What’s the difference between SAE and USS flat washers?
SAE Flat Washers. S.A.E. Flat Washers were developed and specified by the Society of Automotive Engineers to meet the requirements of automotive manufacturer applications as boradly as possible. They are of smaller Outer Diameter and thinner guages or thickness than their counterpart bolt sizes of USS Flat Washers.
What kind of washer is bolt Depot made of?
Product details Bolt Depot Product #: 2976 Units: US Category: Washers Subcategory: SAE flat washers Material: Steel