1/2" Glass Drill Bit (12 pack)

1/2" Glass Drill Bit (12 pack) Tru-Cut About This Item: Discover the reliable and cost-effective GD and GDQ glass and mirror series, proudly made in the USA by Tru-Cut. Trusted by customers for its durability and unbeatable pricing, this drill bit set is the ultimate choice for effortlessly drilling through glass and mirrors. Specifications: Size: 1/2" Overall Length: 3-1/2" Shank Diameter: 7/16" Features: Carbide tip for crack-resistant performance in hard materials. Efficiently drills through tile and glass with or without water under "Rotation Only." Ogival point sharpening for precise hole starting and prevention of bit wandering. Unique "Aspic tongue" shape for progressive diameter adjustment. Long-lasting carbide tip allows for multiple regrinds, ensuring extende