Home
About Us
Product
News
Knowledge
Contact Us

     Feedback

ASTM F436 Hardened Structural Washers-NINGBO BOLT

 

ASTM F436 Structural Washers Specification

  ASTM F436M Hardened Structural Washers        

ASTM F436 Hardened Structural Washers

Dimensions of ASTM F436 Hardened Steel Flat Washer

SIZE

ID

OD

THICKNESS

Nom

Max

Min

Nom

Max

Min

Max

Min

1/4

0.375

0.281

0.313

0.281

0.625

0.657

0.593

0.080

0.051

5/16

0.438

0.344

0.376

0.344

0.688

0.720

0.656

0.080

0.051

3/8

0.500

0.406

0.438

0.406

0.813

0.845

0.781

0.080

0.051

7/16

0.562

0.469

0.501

0.469

0.922

0.954

0.890

0.080

0.051

1/2

0.625

0.531

0.563

0.531

1.063

1.095

1.031

0.177

0.097

9/16

0.750

0.625

0.657

0.625

1.188

1.220

1.156

0.177

0.110

5/8

0.875

0.688

0.720

0.688

1.313

1.345

1.281

0.177

0.122

3/4

1.000

0.813

0.845

0.813

1.468

1.500

1.436

0.177

0.122

7/8

1.125

0.938

0.970

0.938

1.750

1.782

1.718

0.177

0.136

1

1.250

1.063

1.126

1.063

2.000

2.063

1.937

0.177

0.136

1 1/8

1.375

1.188

1.251

1.188

2.250

2.313

2.187

0.177

0.136

1 1/4

1.500

1.375

1.438

1.375

2.500

2.563

2.437

0.177

0.136

1 3/8

1.625

1.500

1.563

1.500

2.750

2.813

2.687

0.177

0.136

1 1/2

1.750

1.625

1.688

1.625

3.000

3.063

2.937

0.177

0.136

1 3/4

1.875

1.875

1.938

1.875

3.375

3.438

3.312

0.178

0.280

2

2.000

2.125

2.188

2.125

3.750

3.813

3.687

0.178

0.280

2 1/4

2.250

2.375

2.438

2.375

4.000

4.063

3.937

0.240

0.340

2 1/2

2.500

2.625

2.688

2.625

4.500

4.563

4.437

0.240

0.340

2 3/4

2.750

2.875

2.938

2.875

5.000

5.063

4.937

0.240

0.340

3

3.000

3.125

3.188

3.125

5.500

5.563

5.437

0.240

0.340

3 1/4

3.250

3.375

3.500

3.375

6.000

6.125

5.875

0.240

0.340

3 1/2

3.500

3.625

3.750

3.625

6.500

6.625

6.375

0.240

0.340

3 3/4

3.750

3.875

4.000

3.875

7.000

7.125

6.875

0.240

0.340

4

4.000

4.125

4.250

4.125

7.500

7.625

7.375

0.240

0.340

 

 

 

Dimensions of Hardened Bevelled Washers

Bolt Size, in.

Min Side
Dimension (A), in.

Nominal Inside
Diameter(I.D), in.

Mean Thickness
(T), in.

Slope or Taper
in Thickness

Nominal Edge
Distance(E)B, in.

1/2

1 3/4

17/32

5/16

1.6

7/16

5/8

1 3/4

11/16

5/16

1.6

9/16

3/4

1 3/4

13/16

5/16

1.6

21/32

7/8

1 3/4

15/16

5/16

1.6

25/32

1

1 3/4

1 1/8

5/16

1.6

7/8

1 1/8

2 1/4

1 1/4

5/16

1.6

1

1 1/4

2 1/4

1 3/8

5/16

1.6

1 3/32

1 3/8

2 1/4

1 1/2

5/16

1.6

1 7/32

1 1/2

2 1/4

1 5/8

5/16

1.6

1 5/16

Note :
A : Rectangular beveled washers shall conform to the dimensions shown above, except that one side may be longer than that shown for the A dimension.
B : Clipped edge E shall not be closer than 7/8 of the bolt diameter from the center of the washer.

Dimensional Tolerances

Dimensional Characteristics

<1 in.
Nominal Size

1 through 1½ in. Nominal Size

>1 ½ through 3 in.
Nominal Size

>3in.
Nominal Size

Nominal diameter of hole, in.

-0, +0.032

-0, +0.063

-0, +0.063

-0, +0.125

Nominal outside diameter, in.

+_0.032

+_0.063

+_ 0.063

+_ 0.125

Flatness: max deviation from straightedge placed on cut side shall not exceed (in.)

0.010

0.015

0.020

0.032

Concentricity, in : center of hole to outside diameter

0.030 FIRA

0.060 FIRA

0.090 FIRA

0.250 FIRA

Burr shall not project above immediately adjacent washer surface more than (in.)

0.010

0.015

0.020

0.025

A : Full indicator runout.

 

  Newsletter       Categories Contact Us

QR Code

 

 

Bolts

Nuts

Threaded Studs

Washers

 

NINGBO STEEL BOLT CO., LTD

Address:Panjiashan, Xiepu Town,

Zhenhai, Ningbo, China

TEL: 86-574-86231358

FAX: 86-574-86231338

EMAIL: bolt@ningbo-bolt.com

 

 

About us            Product            News            Knowledge            Contact Us            Feedback            Sitemap

Copyright © Ningbo Steel Bolt Co., Ltd      All Rights Reserved