Busch Fig. 446 Shallow-Hart 70 Degree Burs 1.00mm-3.70mm TAIG Tools 2mm clearance between each punch

2mm clearance between each punch and its corresponding dap

covering a wide range of forming needs

making it slightly longer than a typical GRS QC tool holder

This complete drawer kit assembles over 30 individual items—from silicone polishing wheels and Cratex abrasive points to Moore's snap-on disc mandrels

Collet-changing wrench set

Busch Fig. 446 Shallow-Hart 70 Degree Burs 1.00mm-3.70mm TAIG Tools 2mm clearance between each punchBusch Fig. 446 Shallow Hart 70 Degree Burs are precision ground cutting tools engineered for professional jewelers who demand consistent, reliable performance. Available in 14 sizes ranging from 1. 00mm to 3. 70mm, these burs feature a shallow hart profile at a 70 degree angle ideal for seat cutting and setting work requiring a controlled, shallow geometry. Crafted from tungsten vanadium steel to ultra high precision tolerances, Busch burs are