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Harbor Freight HFT Automatic Center Punch Hand Cushion
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Top cushion for fatigue and shock to the hand.
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution
I have had this center punch for many years and hopefully Harbor Freight has not changed the diameters. The top smooth diameter of the punch is 13.1mm and the knurled part is 14.1mm. The PLA version slips on and the TPU version has some grip.
For the PLA I used 0.20 layer, 3 walls, 25% infill. TPU 0.15 layer, 3 walls, 25% infill, 95A shore ZIRO Black, 225C filament 60C PEI Build Plate 60% speed