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Nut Compatibility Chart

Atlanta Rod Nut Compatibility Chart

ASTM A563 Nut Compatibility Chart

Grade of Bolt

Surface Finish

Nominal Size Inches

A563 Grade and ANSI Nut Style

Recommended

Suitable

Hex

Heavy
Hex

Hex

Heavy
Hex

A307 Grade A & C

Any

14 to 112

A

B,D,DH

A,B,C,D,DH,DH3

>112 to 2

A

A

C,D,DH,DH3

>2 to 4

A

C,D,DH,DH3

A307 Grade B

Any

14 to 112

A

B,D,DH

A,B,C,D,DH,DH3

>112 to 2

A

A

>2 to 4

A

A325 Type 1

Plain

12 – 112

C

C3,D,DH,DH3

Galvanized

12 – 112

DH

A325 Type 3

Plain

12 – 112

C3

DH3

A354 Grade BC

Plain

14 to 112

C

D,DH

C3,D,DH,DH3

>112 to 4

C

C3,D,DH,DH3

Galvanized

14 to 112

DH

>112 to 4

DH

A354 Grade BD

Plain

14 to 112

DH

DH

D,DH,DH3

>112 to 4

DH

DH3

A449

Plain

14 to 112

B

D,DH

B,C,C3,D,DH,DH3

>112 to 3

A

C,C3,D,DH,DH3

Galvanized

14 to 112

DH

D,DH

D

>112 to 3

DH

D

A490 Type 1

Plain

12 – 112

DH

DH3

A490 Type 3

Plain

12 – 112

DH3

A687

Plain

58 – 3

D

DH,DH3

Galvanized

58 – 3

DH

F1554 Grade 36

Any

14 to 112

A

B,D,DH

A,B,C,D,DH,DH3

>112 to 4

A

C,D,DH,DH3

F1554 Grade 55

Plain

14 to 112

A

B,D,DH

A,B,C,D,DH,DH3

>112 to 4

A

C,D,DH,DH3

Galvanized

14 to 4

A

C,D,DH,DH3

F1554 Grade 105

Plain

14 to 112

D

DH,DH3

>112 to 3

DH

DH3

Galvanized

14 to 3

DH

DH3

 

 

ASTM A194 Nut Compatibility Chart

Grade of Bolt A194 Heavy Hex Nut Grade
A193 Grade B7 2H
A193 Grade B8 (Class 1 and 2) 8
A193 Grade B8M (Class 1 and 2) 8M
A320 Grade L7 4 or 7
A320 Grade B8 (Class 1 and 2) 8
A320 Grade B8m(Class 1 and 2) 8M

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