Radius sanding block. This 16 radius block was perfect. Start with a roughed in neck with an installed fretboard that has been slotted and inlayed. This image guide will show you how to build a router jig that will allow you to make your own radiused sanding blocks. Youll be able use them for resurfacing during re fretting and building fretboards and even fret dressing if you dont trust yourself with a straight barjust take care not to screw up any compound radius transitions.
I just ordered a 14 one for another project since this one worked so well. Accurately true or change a fingerboards radius and level frets. Richard mccurdy 147767 views. Use the longest radius block you can.
Use 80 through 220 grit leveling frets. Great for sanding the fret board after pulling frets and for leveling after putting new frets on. We make these hardwood blocks for use with stikit abrasives to radius a fretboard quickly accurately and without guesswork. Use 220 through 400 grit when working on compound radius fretboards simply change blocks as you progress along the neck.
The surface was smooth flat and the radius was dead on accurate. This video shows how i make mine. Master class on neck shaping duration. The 8 long wooden blocks work great but i prefer the 18 long aluminum beam for my work.
The extra length makes creating a constant radius a breeze.