Skull Topper Nuts and Bolts

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Skull Topper Nuts and Bolts


Cast with a durable American made bone colored casting resin.
Stainless steel threaded insert is cast into place for the nut.
Stainless steel stud is cast into place for the bolt.

Hot rod or rat rod topper nut/bolts for air filter and valve covers
Drum set topper nuts for cymbal
Harley seat bolt
many other uses.
Let us know what You use them for.

Using the same skull
BawdyPartz also makes this with
Open mouth
No mandible

Base to top   1.80″
Front to back   1.910″
Side to side   1.083″
Base diameter   0.925″
Stud length approximately   0.60″  longer upon request.

All orders within the USA are shipped via UPS at the following rates (you will have the option to select your rate when placing an order):

  • Free Standard (1-5 business days) — Free (orders over $100)
  • Standard (1-5 business days) — $5.95
  • Next Day Air (1 business day) — $18.95