FHC 2-1/4" Standard Plated Diamond Drill Glass Drilling Machines & Accessories Overall length is 4-1/2" (114

Overall length is 4-1/2" (114 mm)

This item is commonly used with CRL Precision Circle Cutter

rather than scratch like sandpaper

or on surfaces as high as 130°F (54°C)

FHC 2-1/4" Standard Plated Diamond Drill Glass Drilling Machines & Accessories Overall length is 4-1/2" (114The SPDD Series Diamond Plated Drill Bits heavy layer of diamond coating enables this bit to drill many holes in glass when maintained and used properly. Glaziers Tip: Although plated, these bits can be sharpened one time with a dressing stone to expose some of the remaining diamonds and extend the working life. Other features include 3 8" shaft and a knock out hole for easy spent plug removal. All diamond bits must always be used with suitable