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3D model Drill bit sharpener by peterholly on Printables

Description

I needed an angle guide for sharpening bigger drill bits on my bench grinder. With this I can move the bit on the grinder table from side to side and tilt it around the table edge. For now I have added only 118 degree tip angle files. Printed from PLA with brim, rotated 90 degrees around the X axis. The wedge can be temporarily attached (by double sided tape) under the base to maintain the secondary angle.

Included FreeCAD source file. You can enter the drill bit diameter in Spreadsheet for example “=13.5 mm” or "=0.375 in" and export the part to stl file.

Printables

Drill bit sharpener

peterholly peterholly (opens in new tab)

Published on Mar 20, 2025

195
Likes
1,268
Downloads
6
Makes
Category Tools
Tags
grinder sharpener drillbits
License Creative Commons — Public Domain
Files (13)
DrillSharpenerV3_A118deg_D12.5mm.stl 46.1 KB
DrillSharpenerV3_A118deg_D10.5mm.stl 46.7 KB
DrillSharpenerV3_A118deg_D10mm.stl 54.9 KB
DrillSharpenerV3_A118deg_D08.5mm.stl 52.1 KB
DrillSharpenerV3_A118deg_D11mm.stl 47.3 KB
DrillSharpenerV3_A118deg_D08mm.stl 51 KB
DrillSharpenerV3_A118deg_D12mm.stl 48.6 KB
DrillSharpenerV3_A118deg_D09mm.stl 53.1 KB
DrillSharpenerV3_A118deg_D13mm.stl 46.7 KB
DrillSharpenerV4_A118deg_D12mm.stl 3 KB
DrillSharpenerWedge_22deg.stl 684 B
DrillSharpenerWedge_20deg.stl 684 B
DrillSharpener.fcstd 67.9 KB
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