Diamond coated drill bits 10 pcs -1.5 x 15mm

Diameter:1.5mm, coated length:15mm~5/8", total length,1-5/8", shank:2.3mm, weight 13g




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.

Great for longer depth jewelry stones ~ clasp holes