Page 17 - FMSI | Wheel Lug Nuts & Bolts Catalogue
P. 17

WHEEL NUT HARDWARE CAUTIONS
• One Piece Solid Steel • Triple Corrosion Protection
  Vehicle wheel nut hardware should always be inspected for wear and damage and replaced if necessary. Always ensure wheel mating surfaces are clean and wheel nuts are torqued to manufacturer’s specifications to ensure optimal wheel clamping force.
To ensure the correct wheel nut hardware is installed on O.E.M. wheels, the most current FMSI Edelmann Fitting Wheel Nut & Caps Application Guide should be utilized. FMSI Edelmann Fittings does not accept any liability for errors in applications as result of incorrect part number selection, cross referencing or a “make fit” type fitment. Installing FMSI Edelmann Fitting hardware based on cross referencing or “guessing” is done solely at the installer’s risk
Care must be taken when installing new wheel nuts on original equipment or aftermarket (winter steel rims) to insure the correct style wheel nut is used. Please review the various styles of wheel nuts shown below to understand how they seat with the rim and why using the incorrect wheel nut can result in serious damage to car and owner.
CHECKLIST
 1. 2. 3.
Determine correct thread size of replacement wheel nut (12mm x 1.50, 1/2-20 etc.)
Determine that the replacement wheel nut has the same outside socket (wrench) size as the original wheel nut and is no shorter in the overall length.
Determine the seat style (where the wheel nut meets the rim) and insure the wheel nut you will be installing is the correct style for the rim; this can change when winter steel rims are installed on vehicles.
         Example: 3801
Solid Steel, Open End, Zinc Chrome Plated Commonly Used On Steel Rims (Winter) (With 60° Connical Seat)
Example: 6146
Mag Wheel Nut.
Solid Steel Chrome Plating. Comes in Short, Long Shank Standard Hex & Long Hex
Example: 3841
Solid Steel, Chrome Plated
Short Acorn Style.
Confirm Length Before Replacing (With 60° Connical Seat)
Example: 3843
Open End Solid Steel Bulge Nut
(With 60° Connical Seat)
Example: 3875
Acorn Style Solid Steel Bulge Nut
(With 60°connical Seat)
Example: 3892
Modified Acorn (Tapered Mag Seal) With Extended Threads.
Solid Steel Chrome Plating
(With 60° Connical Seat)
Example: 3837
Retainer Wheel Nut.
With a Ridge or Ring to Hold
a Hub Cap or a Trim Plate in Place. Solid Steel Chrome Plating
(With 60° Connical Seat)
        Example: 3846
Open End External Thread Wheel Nut.
Accepts Plastic Cap (With 60° Conical Seat)
Example: 6117
Retainer Wheel Nut.
With A Ridge or Ring to Hold
a Hub Cap or A Trim Plate in Place. Solid Steel Chrome Plating
(With Radius/Ball Seat)
        Example: 3856
Flanged Flat Wheel Nut (With Flat Seat)
Example: 3878
Open End Chrome Bulge Nut (With Radius Ball Seat)
       Example: 6102
Flanged Flat Solid Steel Wheel Nut
Chrome Plating
Example: 3879
Acorn Bulge Solid Steel Chrome/Zinc Plated Wheel Nut. Confirm Length Before Replacing (With Radius/Ball Seat)
       Example: 3805
Acorn Bulge Solid Steel Chrome/Zinc Plated Wheel Nut. Confirm Length Before Replacing (With 60° Connical Seat)
Example: 3868
Ford Acorn Bulge Solid Steel Chrome Plated Wheel Nut. Confirm Length Before Replacing (With 60° Connical Seat)
NOTE: Installers are required to determine correct thread size, outside wrench diameter, overall length and seat style (where lug nut meets rim).
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