Diamond Drill Bits Set Size:10pcs: 3/16" (5mm)-3/8" (10mm)+drill bit*4+ph2 bits*2 uninterrupted driving for maximum productivity

uninterrupted driving for maximum productivity and efficiency on every job

Presicion Design: Experience superior torque control with our optimized L-shape configuration

highly precise thread profile every time you repair or create internal/external threads

effectively preventing deformation or secondary damage during fastener extraction

further minimizing cam-out

Diamond Drill Bits Set Size:10pcs: 3/16" (5mm)-3/8" (10mm)+drill bit*4+ph2 bits*2 uninterrupted driving for maximum productivityComplete Set of Diamond Core Drill Bits: 5 pack includes sizes 3 16" (5mm), 1 4" x 2 (6mm), 5 16" (8mm), 3 8" (10mm). 10 pack includes sizes 3 16" (5mm), 1 4" (6mm), 5 16" (8mm), 3 8" (10mm),drill bit*4,ph2 bits*2. Long Lasting: We have enhanced the durability of these drill bits by thickening the diamond cutting coating, ensuring prolonged usability and reducing the chances of them becoming unusable after a few grinding sessions. The solid hexagonal