CONICAL BACK-UP WASHERS

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Our conical back-up washers are available in a wide selection of materials including steel, stainless steel, and brass. Custom materials are also available upon request.

Parts are inspected with state-of-the-art equipment using CMM, SPC, and geometric dimensioning to ensure our customers receive consistently accurate and reliable parts every time.

We make it our priority to provide our customers with superior quality parts and service at competitive prices with a quick turnaround. We also offer custom stocking programs to fit your production needs.

Conical Washers

Ordering & Customization

Find the technical specifications for our standard parts in the chart below. In addition to the dimensions listed, we can design and manufacture custom caps to fit your requirements. 

Request a Quote

or Call 419-678-8376

Ordering & Customization

Find the technical specifications for our standard parts in the chart below. In addition to the dimensions listed, we can design and manufacture custom caps to fit your requirements. 

Request a Quote

OR

Call 419-678-8376

Conical Back-Up Washer (S.A.E.)

S.A.E No. Size

C +/- .003

D Min +.015

E Max. -.015

F Ref (DEG)

2

.030

.313

.494

30°

3

.030

.375

.575

30°

4

.035

.438

.644

31°

5

.035

.500

.706

32°

6

.041

.563

.788

35°

8

.050

.750

1.000

31°

10

.050

.875

1.148

31°

12

.050

1.063

1.440

37°

14

.050

1.188

1.588

40°

16

.050

1.313

1.732

40°

20

.050

1.625

2.165

40°

24

.050

1.875

2.454

40°

32

.050

2.50

3.160

40°

Washer Illustration

Conical Back-Up Washer (BSP)

BSP No. Size

C +/- .003

D Min. +.015

E Max. -.015

F Ref (DEG)

1/8

.036

.383

.620

37°

1/4

.036

.578

.755

33°

3/8

.042

.656

.906

30°

1/2

.048

.825

1.094

30°

3/4

.048

1.041

1.375

34°

1

.048

1.309

1.732

39°

1 1/4

.048

1.650

2.025

35°

1 1/2

.048

1.882

2.262

36°

Washer Illustration

Conical Back-Up Washer (Metric)

Metric No. Size

C +/- .08

D I.D. Min. +0.38

E O.D. Max. -0.38

F Ref (DEG)

M8

.90

8.00

12.50

28.60°

M10

.90

10.00

14.50

28.60°

M12

.90

12.00

17.48

30.71°

M14

.90

14.00

19.51

31.01°

M16

.90

16.00

22.50

35.22°

M18

.90

18.00

24.46

34.74°

M20

.90

20.00

26

26.75°

M22

1.25

22.00

27.53

24.85°

M27

1.25

27.00

32.49

22.09°

M30

1.25

30.00

36.50

26.68°

M33

1.25

33.00

41.50

34.13°

M38

1.25

38.00

46.46

34.17°

M42

1.25

42.00

50.39

33.75°

M48

1.25

48.00

55.50

30.62°

M60

1.25

60.00

65.51

22.00°

Washer Illustration

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