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Looking for the ultimate hardware kit for you new down pipes? Tired of your bolts coming loose on your existing hard ware install? Look no further.
Included are Nord-Lock washers.
Nord-Lock washers secure bolted joints with tension instead of friction. The system is comprised of a pair of washers that has cams on one side and radial teeth on the opposite side. Since the cam angle ‘α’ is greater than the thread pitch ‘β’ a wedge effect is created by the cams, preventing the bolt from rotating loose.
Our screws are marked on the head to indicate Class 10.9. They have a minimum Rockwell hardness of C32.
Our bolts have a distinctive blue color that makes them easy to distinguish from inch screws and are zinc plated for corrosion resistance.
Kit Includes:
4 class 10.9 Blue zinc coated metric bolts
4 class 10.9 Blue zinc coated nuts
8 Nord-Lock washers
John
Reviewed in the United States on September 12, 2022
Bolts were great fit perfectly
Justin
Reviewed in the United States on November 11, 2020
Used to install catless DPs on my 335i these make great replacement bolts and also coated to prevent from rusting very strong bolt highly recommend!
Anonymous
Reviewed in the United States on May 4, 2018
Worked as advertised
Customer
Reviewed in the United States on April 27, 2018
Lasted me 2 months, heat does not work well with these
Eddie
Reviewed in the United States on September 24, 2017
It is good quality. However, too thin to connect the exhaust pipes to the catalytic converter. Went to Autozone.
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