• Excel branded Core Drilling Bits are used for making holes on marble,granite, glass, composites, and hundreds of hard and brittle materials.
• A precision product for predictable quality and consistency.
• A unique and proprietary diamond coating technology used for bonding diamonds on a suitable metal shank gives you many holes.
• Fits on all hand held and universal drilling machines.Dia 5 mm, Shank Dia 4 mm, Height 50 mm, Diamond Grit 80/100 US mesh. Weight - 13 gram.
• A product manufactured by Excel Impex. Made in India.

Excel branded high quality Core Drill Bits are used for making holes on marble, granite,glass composites and hundreds of hard and brittle material.This precision Core Drill Bits are totally predictable and giving you consistent results time after time.Diamond particles are electro-bonded on the functional part of the bit.A unique and proprietary diamond coating process used for bonding diamonds on a suitable metal shank gives you many holes depending on the thickness and hardness of the material being drilled.Premium and well graded industrial diamonds are used for tool life and consistency.Use water as coolant and lubricant.A product manufactured by Excel Impex. Made in India.