Wanted Front Brake Hardware (LOBO Bolts) 750/101 - Alfa Romeo Bulletin Board & Forums
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post #1 of 13 (permalink) Old 11-25-2018, 09:30 AM Thread Starter
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Front Brake Hardware (LOBO Bolts) 750/101

Looking for original LOBO hardware for Front Brake Backing Plate to Spindle/Steering Arm on 1957 Giulietta Spider Veloce.

Qty 2 - 10 x 1 x 25mm Bolt (P/N 2100.02748)
Qty 1 - 10 x 1 x 48mm Bolt (P/N 2100.02757)
Qty 1 - 10 x 1 x 60mm Bolt (P/N 2100.02760)

Qty 4 - 10 x 1 Nut (P/N 2120.20070 or 2120.20046)
Qty 8 - 10.4mm Lock Washer (P/N 2140.17257)

Ulf
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post #2 of 13 (permalink) Old 11-26-2018, 07:41 AM
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Somehow I suspect you have the bolts and they aren't marked 'LOBO".... not to fret.. Many were not marked LOBO but are of equal visual quality..
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post #3 of 13 (permalink) Old 11-26-2018, 01:10 PM Thread Starter
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I am converting from discs back to original drums and missing these bolts completely.
BTW, Were original 10x1 nuts 8mm or 6mm thick?
I have both in my stash of extra hardware.
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post #4 of 13 (permalink) Old 11-26-2018, 01:39 PM
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I've seen them both ways too .. I suspect the skinnier ones were used when sandwiching a bracket like you are looking at for the flex line and the nuts maybe doubled up. Just a guess.
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post #5 of 13 (permalink) Old 11-26-2018, 04:09 PM
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Quote:
I suspect the skinnier ones were used when sandwiching a bracket like you are looking at for the flex line and the nuts maybe doubled up. Just a guess.
Uncle Rick is correct in his guess.

Alfa Sapiens
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post #6 of 13 (permalink) Old 11-27-2018, 03:53 AM
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Ulf,

According to the AR standard parts catalog, 2120.20046 is a normal 8mm nut, and 2120.20070 is a 6mm thin nut.

Joe
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post #7 of 13 (permalink) Old 11-27-2018, 05:12 AM
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Ulf, it sounds like you have one side covered.. I have an assortment but need the actual breakdown of each bolt ... i.e. how much bare shank and how much thread for each. ?
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post #8 of 13 (permalink) Old 11-27-2018, 02:30 PM Thread Starter
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Quote:
Originally Posted by divotandtralee View Post
Ulf, it sounds like you have one side covered.. I have an assortment but need the actual breakdown of each bolt ... i.e. how much bare shank and how much thread for each. ?
Length of bolt measured from bottom of head.
Threaded section is 25mm.
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post #9 of 13 (permalink) Old 11-27-2018, 02:49 PM
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Ok.. got it... what kind of nuts?
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post #10 of 13 (permalink) Old 11-27-2018, 06:21 PM Thread Starter
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2120.20046: 8mm

1957 Spider Veloce
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post #11 of 13 (permalink) Old 11-28-2018, 08:47 AM
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Send me the address again
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post #12 of 13 (permalink) Old 11-28-2018, 08:30 PM Thread Starter
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Ulf

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post #13 of 13 (permalink) Old 11-29-2018, 06:06 AM
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Got you covered...Hope these help. Have a vintage year. By the way the Giulia manual calls for double nutting with a 6 mm nut on all four of these by the count they say... to add to the mysteries of Alfa. and the 48mm was changed to 50 mm...go with the flow.
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Last edited by divotandtralee; 11-29-2018 at 06:17 AM.
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