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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.

Pilot & Spot Drills

Pilot & spot drills are often necessary for applications where the succeeding drill is longer than 10xD, or smaller than Ø 1.00 mm.

Twist Drills

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.

Twist Drills

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.

Drill Reamers

Drill reamers that separate themselves from the competition using geometries with three distinct margins.

Tips & tricks

These tips are intended to give you a better understanding of what these products can do, how to best use them and how to get the most out of them.

Frequently Asked Questions

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.

CK, CKB & CKN

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.

Indexable Cutting Tools

Indexable cutting tools can offer significant advantages over standard solid carbide tools. Choose from Indexable insert drills and milling cutters.

End Mills

A comprehensive program including a variety of geometries, modern coatings, and lengths capable of maximizing rigidity, performance and tool life.

HSK Tooling System

HSK is a German acronym that means "hollow taper shank" and serves as the hollow taper interface that connects to HSK machines using flange contact.

High-Speed Steel (HSS)

Premium High-Speed Steel (HSS) micro cutting tools containing roughly 5% Cobalt for applications requiring a low-cost solution with the strength to withstand unusually high cutting forces.

Collet Chucks

BIG DAISHOWA’s CNC collet chucks have a guaranteed runout at the collet nose of less than 0.003 mm at 4xD, and are available for all machine tool spindles.

BIG CAPTO

The BIG CAPTO tooling system is a dual contact modular turning and rotating tool holder that strengthens the performance of machine tools.