Bumper hardware part # question - NCRS Discussion Boards

Bumper hardware part # question

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  • Tom L.
    Expired
    • May 7, 2007
    • 438

    Bumper hardware part # question

    I'm fitting my newly finished rear bumper brackets to figure out how they go together (I bought the car in pieces). The hardware kit I purchased included 3/8 inch bolts to attach the bumper bracket to the sides of the frame rails. It looks to me that the brackets should be bolted to the side frame rails with 1/2 x 1 1/2 bolts. Can someone please describe the size and thread count of the bolt referenced in the AIM with part # 9419101. Also, is #1362249 a 1/2" washer with a serrated side for gripping into the frame? Thanks in advance.
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43198

    #2
    Re: Bumper hardware part # question

    Originally posted by Tom Lynam (47343)
    I'm fitting my newly finished rear bumper brackets to figure out how they go together (I bought the car in pieces). The hardware kit I purchased included 3/8 inch bolts to attach the bumper bracket to the sides of the frame rails. It looks to me that the brackets should be bolted to the side frame rails with 1/2 x 1 1/2 bolts. Can someone please describe the size and thread count of the bolt referenced in the AIM with part # 9419101. Also, is #1362249 a 1/2" washer with a serrated side for gripping into the frame? Thanks in advance.
    Tom-----

    The GM #9419101 was a 1/2-13 X 1-1/2" bolt with 1-5/16" of thread. It was a trimmed head (i.e. non-indented head). I don't have finish or material grade, but it was either SAE grade 5 (3 line) or SAE grade 8 (6 line).

    The washer was 1-1/4" OD, 17/32" ID and 1/4" thick. It had the "serrated" surface on one side.
    In Appreciation of John Hinckley

    Comment

    • Tom L.
      Expired
      • May 7, 2007
      • 438

      #3
      Re: Bumper hardware part # question

      Thanks Joe. As usual, your help is greatly appreciated.

      Comment

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