Thingiverse
Thread Borer - Handle Tool
door KALIDON
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Thread Borer - Handle Insertion Tool
This object was made for the insertion of 4-40 thread cutters for the purpose of hand-threading through-holes or pilot holes and comes with a larger piece for harder materials that need more torque to cut through.
It is recommended to modify the file as needed and provide a 0.15-0.20 mm offset of your measured mating surface to adapt the design to your own needs.
My boring tool piece had a width of 2.74mm, so the offset to the cutout profile it had, created a square with a width of 2.89mm.
This object was made for the insertion of 4-40 thread cutters for the purpose of hand-threading through-holes or pilot holes and comes with a larger piece for harder materials that need more torque to cut through.
It is recommended to modify the file as needed and provide a 0.15-0.20 mm offset of your measured mating surface to adapt the design to your own needs.
My boring tool piece had a width of 2.74mm, so the offset to the cutout profile it had, created a square with a width of 2.89mm.
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