3/8" Glass Drill Bit

3/8" Glass Drill Bit (12 pack) Tru-Cut Discover the exceptional performance of the Tru-Cut 3/8" Glass Drill Bit (12 pack). Made in the USA, this GD and GDQ series is a reliable choice for drilling through glass and mirrors. The carbide tip design ensures durability and precision, making it ideal for various applications. About This Item: The GD and GDQ glass and mirror series is a proven workhorse in our line-up. Made in the USA, our customers have depended on these bits through the years. Reliability combined with an unbeatable price makes this the best choice for drilling through glass and mirrors. Specifications: Size: 3/8" Overall Length: 3-1/2" Shank Diameter: 5/16" Features: Carbide tip prevents bit cracking when using in hard materials. Drills through tile and glass under “Rotation Only" with or without water. Sharpening of an ogival point allows for a precise hole to be started without the bit walking. The “Aspic tongue" shape allows you to progressively determine the desired diameter. Long carbide tip permits many regrinds. For use in: APPLICATION: Drill Gun MARKET: Glazing MACHINE: 1/2" Drill SURFACE: Glass, Tile, Porcelain, Ceramic Other: Speed should be 300 to 600 RPM using a steady, moderate hand feed.