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

Compatible with

making it slightly longer than a typical GRS QC tool holder

covering a wide range of forming needs

high-quality finish on metal surfaces

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