663DR Glass Drilling Bit, 1/4 In. Dia., Diamond Core

The Dremel 663DR is a diamond-impregnated core-style drilling bit designed for use with Dremel rotary tools. It is engineered specifically for drilling precise holes in glass, ceramic wall tile, glass blocks, glass bottles, and jewelry. Whether you're working on decorative glass art, tile repair, jewelry crafting, or home improvement projects, this bit delivers the durability and performance needed to work on both flat and contoured surfaces.

The diamond-impregnated core construction of this bit makes it an ideal choice for drilling in materials that require specialized tooling. The diamond grit allows for clean, precise holes and even rasping action to enlarge existing holes when needed, giving you flexibility in your work.

Features and Benefits

• Diamond-Impregnated Core: Features a diamond-impregnated core that provides exceptional durability and long life, ensuring reliable performance across multiple projects without frequent replacements.
• 360-Degree Diamond Grit: The diamond grit encircles the full circumference of the bit, allowing for rasping action to enlarge holes if necessary, giving you flexibility in your work.
• Efficient Dust Removal: Holes on the side of the bit facilitate the removal of glass dust from inside the bit, keeping your work area clean and enhancing visibility while you drill.
• Includes Cutting Oil: Each bit comes packaged with Dremel cutting oil, which increases cutting speed and prevents damage to the bit from overheating, extending the life of the tool.
• Versatile Applications: Works on glass, ceramic wall tile, glass blocks, glass bottles, and jewelry, making it suitable for a wide range of crafting and repair projects.

Specifications

• Brand: Dremel
• Model: 663DR
• Diameter: 1/4 in.
• Type: Diamond-impregnated core-style drilling bit
• Diamond Grit Coverage: Full 360-degree circumference
• Side Holes: Yes, for glass dust removal
• Includes: Dremel cutting oil
• Compatible: Dremel rotary tools