Busch Fig. 231F/231FL/231FXL 2.3 mm x 0.20, 0.30 & 0.40mm Carbide Circular Cutters Durston 5mm to 14mm x 19

5mm to 14mm x 19

it does not factor into clarity grading

Machine-made to ultra-high precision tolerances — no chatter or drag

8mm 41-94 14K White 2

Busch Fig. 231F/231FL/231FXL 2.3 mm x 0.20, 0.30 & 0.40mm Carbide Circular Cutters Durston 5mm to 14mm x 19Busch Fig. 231F, 231FL, and 231FXL carbide circular cutters are precision tools designed for the second step of pav setting in hard metals. After drilling starter holes with a carbide twist drill, these circular cutters enlarge each hole to create a secure seat for the rondiste of the stone being set. The smallest 0. 40 mm diameter is especially suited for cutting in tight corner areas and fine refinishing work. Carbide burs offer the longest service