Din1837 DIN1838 HSS Slitting Saw, Slotting Saw,high speed steel circular saw blade. HSS Slitting saw/slotting saw,high speed steel circular saw blade. Production methods: ... hole diameter: 32mm/25.4mm Material: High speed steel or carbideDIN 1837/DIN1838 Application: It is mainly used ... off and slotting metal materials such as plain steel, chilled steel, copper and aluminum as well as difficult-to ...