TRUSCO Diamond Internal Bur Long Φ4.5X Blade Length 6X Shaft 3 #120 INT-045DL 1 Piece

Catalog number: INT-045DL Features: ●Shank diameter is 3 mm. ●With a Knoop hardness of approximately 7000 (the hardest substance on earth), it can be used for most work materials, including metals, marble, and glass. It is especially suitable for high-hardness work materials such as ceramic materials. However, diamonds are weak against heat, so they are not suitable for processing that generates a lot of heat during grinding (such as HSS). Applications: ●Suitable work materials: Carbide, glass, ceramic, rubber, plastic, stone, concrete, ferrite, and other non-ferrous metals. Specifications: ●Grain size (#): 120 ●Blade diameter (mm): 4.5 ●Blade length (mm): 6 ●Shaft diameter (mm): 3 ●Total length (mm): 80 ●Maximum operating speed (rpm): 6000