A parametric 3D-printable T-handle knob for hand-tightening bolts on workholding fixtures, bike seatposts, camera mounts, and DIY jigs. Customize handle length, bar diameter, stem height, through-hole size, end style (flat / rounded / knurled), and captive hex nut (M4 / M5 / M6 / M8) underneath.
Prints cleanly with 0.2 mm FDM clearance.
Part of the 3D Printable Parametric Hardware collection on GrandpaCAD.
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