Proxxon Diamond Coated Grinding Bits - Ball Shaped (Packs of 2) (28230, 28232 & 28234)

Diamond coated grinding ball-shaped bits used for drilling and machining glass together with all types of stone including granite. They are recommended for use in a drill press at a speed of 2,000rpm with the addition of coolant. 

Key Features:

Shaft Ø 2.35mm

Diamond coated bits for drilling glass and all types of stone

Sold in packs of 2 bits.

28 230 - 1.2mm Dia

28 232 - 2.2mm Dia

28 234 - 3.2mm Dia