SAE J429 Grade 8 Hex Bolts

SAE J429 Grade 8 Hex Bolts

Short Description:

SAE J429 Grade 8 Hex Bolts Hex Cap Screws Standard: ASME B18.2.1 various types of head are available Thread Size: 1/4”-1.1/2” with various lengths Grade: SAE J429 Grade 8 Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on Packing: Bulk about 25 kgs each carton, 36 cartons each pallet Advantage: High Quality and Strict Quality Control, Competitive Price,Timely Delivery; Technical Support, Supply Test Reports Please feel free to contact us for more details. SAE J429 SAE J...


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Ningbo
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail

    Product Tags

    Product Description

    SAE J429 Grade 8 Hex Bolts Hex Cap Screws

    Standard: ASME B18.2.1 various types of head are available

    Thread Size: 1/4”-1.1/2” with various lengths

    Grade: SAE J429 Grade 8

    Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on

    Packing: Bulk about 25 kgs each carton, 36 cartons each pallet

    Advantage: High Quality and Strict Quality Control, Competitive Price,Timely Delivery; Technical Support, Supply Test Reports

    Please feel free to contact us for more details.

    Product Standards

    SAE J429

    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 of 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.

    J429 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.

    J429 Chemical Requirements

    Grade Material Carbon, % Phosphorus, % Sulfur, % Grade Marking
    1 Low or Medium Carbon Steel 0.55 max 0.030 max 0.050 max None
    2 Low or Medium Carbon Steel 0.15 - 0.55 0.030 max 0.050 max None
    5 Medium Carbon Steel 0.28 - 0.55 0.030 max 0.050 max sae-grade-5
    8 Medium Carbon Alloy Steel 0.28 - 0.55 0.030 max 0.050 max sae-grade-8

    J429 Recommended Hardware

    Nuts Washers
    J995 N/A

    Alternate Grades

    For fasteners larger than 1-1/2″ in diameter, the following ASTM grades should be considered.

    SAE J429 Grade ASTM Equivalent
    Grade 1 A307 Grades A or B
    Grade 2 A307 Grades A or B
    Grade 5 A449
    Grade 8 A354 Grade BD
    This chart compares SAE and ASTM specifications that are similar but not identical in diameters through 1½".

    Product Certificates

    1
    2
    3
    4
    A325M Test Report
    A563M 10S Test Report

    About us

    Testing Lab

    1. Strength Testing Facility
    2. Impact Testing Facility
    3. Hardness Testing Facility
    5. Metallographic Analysis Facility

    Workshop

    1 Annealing Furnace
    2 Cold Forging Line
    3 Hot Forging Line
    4 Heat Treatment line
    5 Heat Treatment Line
    6 Thread Rolling  Line
    7 Thread Rolling  Line
    8 Thread Rolling  Line
    9 CNC Lathe Workshop
    10 CNC Machining Center

    Warehouse

    3 Carton and Pallet
    5 Threaded Rod Packing
    2 Metal Keg and Pallet
    6 Threaded Rod Packing
    4 Threaded Rod Packing
    1 Stock Shelf

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