Herramienta de bisel roscado de metal M25 M6 flauta recta para corte de rosca de torno
High Speed Steel Tapping Chamfer Straight Flute Screw Tap Chamfering Machine For Lathe. 1 Tapping Chamfer. Material: The black head chamferer uses M35 (HSSCo 5%), and the tail retainer is 45# steel.