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852 Big Sewickley Creek Road
Sewickley, PA, 15143
United States

724-266-3003

Baden Steelbar & Bolt Corporation is a family-owned manufacturer and distributor of fasteners based in Pittsburgh, Pennsylvania.  We provide both stocked and custom anchor bolts, anchor bolt assemblies, threaded rod, bolts, bent bolts, nuts, washers, turnbuckles, clevises and more.  CNC maching, welding, threading.

SAE J429

SAE J429 is a Society of Automotive Engineers specification for fasteners. SAE J429 covers fasteners sizes up to 1-1/2" inclusive. Used in automotive and related industries, these fasteners can be found in small quantities in automotive and home improvement stores.

SAE J429

SAE J429 is a Society of Automotive Engineers specification for fasteners.

 

SAE J429 covers fasteners sizes up to 1-1/2" inclusive. Used in automotive and related industries, these fasteners can be found in small quantities in automotive and home improvement stores.


J429 MECHANICAL PROPERTIES

Grade Size Full Size Proofload, psi Yield Strength, psi min. Tensile Strength, psi min. Elong. min. RA min. Core Hardness, Rockwell Tempering Temperature
2 1/4" - 3/4" 55,000 57,000 74,000 18 35 B80 to B100 NA
over 3/4" - 1-1/2" 33,000 36,000 60,000 18 35 B70 to B100
5 1/4" - 1" 85,000 92,000 120,000 14 35 C25 to C34 800F
over 1" - 1-1/2" 74,000 81,000 105,000 14 35 C19 to C30
8 1/4" - 1-1/2" 120,000 130,000 150,000 12 35 C33 to C39 800F

Grade 2 requirements for sizes 1/4" - 3/4" are applicable only to bolts 6" and under, and also to to all lengths of studs.  Grade 1 requirements are used for bolts longer than 6"

J429 CHEMICAL PROPERTIES

Grade Material Carbon Phosphorus, max Sulfur, max Marking
2 low or medium carbon steel 0.15 - 0.55% 0.03% 0.05% none
5 medium carbon steel 0.28 - 0.55% 0.003% 0.05% 3 radial lines
8 medium carbon alloy steel 0.28 - 0.55% 0.03% 0.05% 56 radial lines

RECOMMENDED HARDWARE

Nuts should be of the same or greater strength than the bolts they are used with.

Washers used with grade should be hardened.


Alternate grade RECOMMENDATIONS

For fasteners above 1-1/2" in diameter, these ASTM grades may be used.

 

J429 Grade 2:

A307 Grade A or Grade B

 

J429 Grade 5:

A449 or A354 Grade BC

 

J429 Grade 8:

A354 Grade BD