Diamond Coated Ball Burr .80mm

Diameter 0.8mm, Grit 240, total length1-5/8", shank:2.3mm, weight 12g



Used for starting your hole for drilling. This prevents skipping on entry as well as precise hole location.




Collet needed: 3/32" or adjustable

Use Water as a coolant. This extends the life and prevents melting of the diamond shards

Use with high speed craft type drills and flex shafts.

Sea Glass estimated life 6 to 9 thin pieces.