Astro Pneumatic Titanium Step Drill Bit Set (1/8”, 1/2” , 3/16”, 1/2”, 1/4”, 3/4”) 9445 The 9445 Astro Pneumatic Titanium Step Drill Bit Set is a collection of high-quality, durable and versatile drill bits that are designed to make drilling multiple hole sizes quick and easy. The set includes three different sizes of step drill bits, each with a unique set of hole sizes, making it perfect for a wide range of tasks.

The drill bits in the 9445 Astro Pneumatic Titanium Step Drill Bit Set are made from titanium nitride coated high-speed steel, which is known for its strength and durability. This makes them ideal for use in demanding environments, such as automotive repair shops and industrial settings, where strength and durability are essential. The titanium nitride coating also provides additional corrosion resistance and durability, as well as reducing friction and increasing cutting speed.

The 9445 Astro Pneumatic Titanium Step Drill Bit Set includes 13 hole sizes that range from 1/8” to 1/2”, 6 hole sizes that range from 3/16” to 1/2”, and 9 hole sizes that range from 1/4” to 3/4”. This wide range of hole sizes makes the set ideal for a wide range of tasks, from small repairs and maintenance tasks to larger projects that require a variety of different hole sizes.

The self-starting design of the drill bits in the 9445 Astro Pneumatic Titanium Step Drill Bit Set allows for easy and precise drilling without the need for a center punch. This makes it easy to start drilling on a variety of different materials, including metal, wood, and plastic. The self-starting design also helps to prevent the bits from wandering and allows for precise, accurate drilling.