Dremel 663DR 1/4" Glass Drill Bit Rotary Accessory for Glass, Ceramic Wall Tile, Glass Block, Glass Bottles, and Jewelry

<p><span style="color: rgb(51, 51, 51); font-family: "Amazon Ember", Arial, sans-serif; font-size: small; background-color: rgb(255, 255, 255);">This diamond-impregnated core-style bit features superior long life and is ideal for drilling in both flat and contoured surfaces. Diamond grit a full 360-degrees around the circumference of the bit allows it to be used in a rasping action to enlarge a hole if needed. Holes on the side of the bit allow the removal of glass dust from inside the bit.</span></p><ul class="a-unordered-list a-vertical a-spacing-mini" style="box-sizing: border-box; margin: 0px 0px 0px 18px; color: rgb(15, 17, 17); padding: 0px; font-family: "Amazon Ember", Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);"><li style="box-sizing: border-box; list-style: disc; overflow-wrap: break-word; margin: 0px;"><span class="a-list-item" style="box-sizing: border-box;">Drill holes in both flat and contoured glass</span></li><li style="box-sizing: border-box; list-style: disc; overflow-wrap: break-word; margin: 0px;"><span class="a-list-item" style="box-sizing: border-box;">Diamond-impregnated cutting bit for long life</span></li><li style="box-sizing: border-box; list-style: disc; overflow-wrap: break-word; margin: 0px;"><span class="a-list-item" style="box-sizing: border-box;">Diamond grit around the circumference of the bit allows it to rasp a larger hole if needed</span></li><li style="box-sizing: border-box; list-style: disc; overflow-wrap: break-word; margin: 0px;"><span class="a-list-item" style="box-sizing: border-box;">Holes on the side of the bit allow the removal of material</span></li></ul><p>Size: 1/4"</p><p>Overall Length: 1-3/4"</p>

• Shank Type: Straight Shank
• Packaging Type: Carded
• Shank Diameter: 1/4 in.
• Usage: Glass, Ceramic Wall Tile, Jewelry
• Number in Package: 1 pc.
• Product Type: Drill Bit
• Overall Length: 1.77 in.
• Material: Diamond Tipped
• Drill Size: 1/4 in.
• Brand Name: Dremel