Fastener Standard Form 4.07
Jun 15,2018

Standard

Grade

Bolt

Recommended assembly Nut

Recommended assembly Washer

ASTM

A307

A

Hex bolt

A563A

USS

B

Heavy hex bolt

A325

T-1

Heavy hex structural bolt

A563C/C3/D/DH3

F436-1

T-3

A563C3/DH3

F436-3

T

Heavy hex structural bolt(FT)



M

Heavy hex structural bolt(Metric )


F436/M

A394

T-0

Tower bolt/Step bolt

A563A

F436

T-1

A563DH

T-3

A563DH3

A193/193M

B7

Stud bolt/Thread rod

A194 2H

F436

B7M

A194 2HM

B16

A194 4

SAE

SAE J429

Gr. 2


A563A

USS

Gr. 5

A563C/DH

Gr. 8

A194 2H

F436

ISO
DIN

ISO 898-1 2009
(DIN931/933)

4.8

DIN931 Hex bolt(HT)
DIN933 Hex bolt(FT)

DIN934 4

USS

6.8

DIN934 6

USS

8.8

DIN934 8

USS/F436

10.9

DIN934 10

F436

12.9

DIN934 12

F436


Standard

Grade

Nut

ASTM

A563

A

Hex nut/Heavy hex nut

B

C/C3

Heavy hex nut

D

DH/DH3

A194

2

Heavy hex nut

2H/2HM

4/7/7M

8/8M

SAE

SAE J995

Gr. 2

Hex nut

Gr. 5

Hex nut

Gr. 8

Hex nutISO
DIN

ISO 898-2 2009
(DIN934)

C4/6

Hex nut

8

C10/12


Standard

Washer

ASTM

ASME B18.22.1 USS

Flat Washer

ASME B18.22.1 SAE

F436

DIN

DIN9021

DIN125

DIN126

DIN433

DIN440

DIN7349

DIN988

DIN6797J

Internally Toothed Lock Washer

DIN6798J

DIN137

Wave Washer

DIN6797A

Externally Toothed Lock Washer

DIN6798A

DIN6798V

DIN436

Square Washer

DIN434

Square taper washers

DIN127

Split Lock Washer

DIN7980

ASME

ASME B18.21.1


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