Baostep Auto Parts Industrial Limited

    Wheel bolt for various commercial vehicle

    • Model
    • Characteristics
    • Technical Info
    • OE No.

    Cold/Hot forming  wheel  bolt for various commercial vehicle


          Baostep has more than 100 multi-function cold heading equipment, with the largest and longest dimension forming ability; precision machining equipment to meet the requirements of secondary processing; while versatile high-frequency heat treatment provided for the stability of the products. Variety of Products and monthly capacity of 3000tons meet most of the requirements of the guest.

    FAQ :

    Q1: Why choose us?

    A:  a.More than 10 years professional team in auto fastener industrial.

          b.Value for money, high quality and competive price.

          c.Fast delivery.

          d.Baostep-a strong brand, deliveries in over 60 countries

          e.Freely offer LCL service.Save time and money.

    Q2: What`s your auto fastener guarantee ?

    A: Strictly complying with quality management systems of ISO9001/TS16949.     

        If you have any problems concerning quality, we will offer you a refund or a replacement. Q3:How many quantities about packaging for each item?

    A: Without quantity limitation for inventory goods; more than 3000pcs/item for customization order.

    Q4: How long is the date of delivery?

    A: For inventory goods, we will deliver within 2 working days. For customization order,30-60days.

    Q5:What is the technology difference between “Baostep wheel bolt” to “Ordinary wheel bolt”?

    Different viewpoint  Baostep wheel bolt Ordinary wheel bolt 
     Machine  full automatic machine  manual
     Metallography  good  so-so
     Material  ML40Cr  ASTM5140Cr
     Rockwell Hardness  HRC36o-39o HRC33o-38o
     Tensile Strengh  1180N/mm2 1110N/mm2
     Decarburized Layer  nonexistence  more or less existence
     Surface  very smooth  slight rough
     Quality  very stable  not stable
     Application Life  Long life in abnormal condition  normal condition

    Material: ASTM5140(40Cr);ML40Cr

    HRC: 36°-39°

    Tensile strength: 1180N/mm2

    Surface Treatment:Phosphated;Galvanized;Black Oxide;Dacromet

    Guangzhou BAOSTEP auto parts co., LTD ©2003-2015   Tel:+86-20-28203588   Fax:+86-20-28203583

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