The file 'Geocache Bolt 3D Printer Model' is (STL) file type, size is 713.1KB.
This is a large bolt with a hidden compartment. Included is room for a sealing washer (which can be printed in a flexible filament) or o-ring to seal the chamber.
The compartment is 0.8 inches in diameter and a little more than 3.5 inches deep. Plenty of room for a few log sheets and small pencil.
The thread is a 1 1/2-6 UNC for the bolt and the internal thread is a 1 3/8-6 UNC.
Bolt_Head.STL | 408.1KB | |
Bolt_Shank.STL | 1.0MB | |
Seal.STL | 22.2KB |