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Home > Products > Bolts > High strength Cap screws & Hex bolts > SAE J429 Grade 5 Hex Bolt


SAE J429 Grade 5 Hex Bolt

Category: Bolts,High strength Cap screws & Hex bolts
Metarial: Carbon Steel,Alloy Steel
Standard: ASME B18.2.1 1996
Surface: Blue zn/white zn,Yellow zn,HDG,Black Oxide
Place of Origin: Ningbo
Brand Name: ND
MOQ: 1000 pieces  PCS
Payment Terms: T/T,L/C
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Ningbo Zhenhai Dingli Fastener Screw Co., Ltd.

Business Type:Manufacturer


Tel:  86-574-86521558
Fax:  86-574-86521998
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  • Product Detail

SAE J429

Scope

SAE J429 covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in sizes to 1-1/2” inclusive.

Below is a basic summary the most common grades. SAE J429 covers a number of other grades and grade variations not covered in this summary, including 4, 5.1, 5.2, 8.1, and 8.2.

Mechanical Properties

Grade

Nominal Size, inches

Full Size Proofload, psi

Yield Strength, min, psi

Tensile Strength, min, psi

Elong, min, %

RA, min, %

Core Hardness, Rockwell

Tempering Temperature, min

1

1/4   thru 1-1/2

33,000

36,000

60,000

18

35

B7   to B100

N/A

2

1/4   thru 3/4

55,000

57,000

74,000

18

35

B80   to B100

N/A

Over   3/4 thru 1-1/2

33,000

36,000

60,000

18

35

B70   to B100

5

1/4   thru 1

85,000

92,000

120,000

14

35

C25   to C34

800F

Over   1 thru 1-1/2

74,000

81,000

105,000

14

35

C19   to C30

8

1/4   thru 1-1/2

120,000

130,000

150,000

12

35

C33   to C39

800F

Grade   2 requirements for sizes 1/4" thru 3/4" apply only to bolts 6"   and shorter, and to studs of all lengths. For bolts longer than 6",   Grade 1 requirements shall apply.


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