Diamond Core Drill Set, Set of 6 Gauges 000 service hours

000 service hours

high-carbon alloy steel

its smaller

This ring generally can be safely sized up or down two whole ring sizes (size 8 to size 12)

The tall cylinder features 16 holes approximately 7/32" (5mm) in diameter surrounding one center hole approximately 5/16" (8mm) in diameter

Diamond Core Drill Set, Set of 6 Gauges 000 service hoursThis set features six drills that are hollow all the way through the shaft to help them drill faster with less clogging. Ideal for reaming beads and drilling smaller holes in stone, glass, metal and ceramic, drills are nickel plated and embedded with 180 grit industrial diamonds. Shank sizes vary with head size. This kit includes six diamond core drills, one of each diameter (OD): 1. 0, 1. 25, 1. 5, 1. 75, 2. 0 and 2. 5mm.