A pilot or spot drill, also known as a starter drill, is typically required when the succeeding drill is longer than 10xD or smaller than Ø 1.00 mm. Starter drills can also be used to improve hole location due to their short, rigid geometries.
We offer an extensive lineup of twist drills with unique geometries and a wide range of diameters capable of optimizing productivity and cost per hole.
An extensive lineup of unique micro and high-performance drill geometries with a wide range of diameters and lengths capable of optimizing productivity and cost per hole.
Find answers to some of the most frequently asked questions about our products and services. We have organized the questions and answers into different categories to make it easy for you to find what you're looking for.
Based on a cylindrical connection with radial locking screw, the world-famous modular precision tool system BIG KAISER has continuously been improved over the years, and has adapted to customer’s needs and the increases in machine tool performance.
BIG-PLUS tool holders are supported on the flange face and taper providing excellent rigidity. It is interchangeable with existing machines and tool holders.
BIG DAISHOWA is an industrial tooling company located in Hoffman Estates, IL. We are a global supplier of precision metal cutting tools and machine tool accessories.