Diamond coated drill bits 10 pcs -1.4 x 8mm

Diameter:1.4mm, coated length:8mm, total length: 1-5/8", shank:2.3mm, n13g



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.

Jewelry Stones ~ clasp holes