Swiss 90 Degree Hart Bur Kit 17 Pieces 0.90mm To 4.00mm Specials they hold wire securely throughout

they hold wire securely throughout the draw without slipping — a critical advantage over lower-quality alternatives

then mark the center of each dot with a fine-pointed tool

The height-to-width ratio is 38% (factory designation SP314)

000 RPM Origin Swiss Made Notes

Punch Count 24 Punch Size Range 2

Swiss 90 Degree Hart Bur Kit 17 Pieces 0.90mm To 4.00mm Specials they hold wire securely throughoutThis 17 piece kit brings together Swiss made Tungsten Vanadium 90 Hart Burs in a comprehensive size range from 0. 90mm through 4. 00mm purpose built for prong and channel stone setting. Each bur is machine made to ultra high precision tolerances, delivering smooth, clean cuts in precious metal with no chatter or drag. Tungsten Vanadium steel burs are the most widely used burs in the jewelry industry. Unlike High Speed Steel (HSS) burs, which are