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Rolls are induction hardened to 64 HRC to a depth of 6mm
the Counter-Loc design wraps one prong in each direction around the shank for a secure
Three ball sizes: 4mm
Part # Height Gauge Teeth Per Inch 844FS-BSR-2026 3
consistent spring tension on common post sizes and are well-suited to heavier earrings
Carbide Inside Ring Cylinder Finishing Burs-Fine to Coarse Grit:Coarse Rolls are induction hardened toCarbide inside ring cylinder burs designed for fast, controlled trimming of ring interiors on a flex shaft or micromotor. The bur seats solidly in a 3 32" collet so cutting feels stable and predictable as you true up the inside of the band. Available in four cutting aggressions Fine through Extra Coarse to match every stage of interior ring work, from light refining to heavy stock removal. Features Cylinder bur profile sized specifically for inside
