The Different Types of Drill Bits

Drills are a commonly used tool for countless projects, capable of creating pilot holes and rapidly installing fasteners into surfaces. Depending on the type of job that is being carried out, there are various types of drill bits that one can utilize, each differing in characteristics such as size, length, and design. In this blog, we will provide a brief overview of the most common drill bit types, allowing you to better understand the roles that they serve and how they are used.

Twist Drill Bit

Twist drill bits are considered to be the most common type, coming in the form of a shaft with multiple spiral flutes running across for the means of creating threading to secure a fastener. Generally, twist drill bits can be used for light metal, wood, metal, plastic, masonry, and ceramic surfaces. Due to their general-purpose use, twist drill bits are often relied on for home repairs, building projects, and standard maintenance.

Auger Drill Bit

Auger drill bits exhibit a much more pronounced spiral shape for their tip, that of which allows the tool to be drawn in. This is beneficial as it alleviates the amount of pressure that the operator has to provide. Auger drill bits are often used on wooden surfaces of varying shapes, aiding in many woodworking and building projects alike.

Brad and Pilot Point Bit

When conducting general woodworking tasks for assembling furniture or cabinets, a Brad and pilot point bit is quite advantageous. Featuring a W-shaped center point, such bits are commonly relied on for work involving wood, and their center point ensures that a clean exit hole is established.

Spade Drill Bit

Like many of the other common drill bit types, the spade drill bit is an optimal choice for woodworking projects. Due to the shape of the drill bit, holes with large diameters can be rapidly established. With a spade drill bit, one can drill holes in walls and surfaces for plumbing, electrical appliances, framing, and various fine woodworking projects.

Forstner Drill Bit

While many drill bits are used for creating pilot holes for fasteners or for driving the fasteners themselves into a material, the forstner drill bit is capable of creating holes with flat bases. Generally, such components are used for both woodworking and building projects, surpassing handheld bits in their ability to be paired with drill presses.

Countersink Drill Bit

To install fasteners in wooden structures in a way that allows their heads to sit flush with the surface of the material, a countersink drill bit may be used. This is made possible through their shape, allowing them to efficiently drill pilot holes with ample depth.

Glass Drill Bit

While all the previously mentioned drill bits find use for materials such as wood, glass drill bits allow for holes to be bored in non-tempered glass and ceramic. With a rotary drill, the glass drill bit is spun at slow speeds to create holes. With their capabilities, glass drill bits are commonly used for home renovating and conducting repairs.


When you are in need of various drill bits for your projects, let the experts at Plane Parts 360 help you secure everything you require with competitive pricing and rapid lead-times. On our website, we provide customers access to over 2 billion new, used, obsolete, and hard-to-find items, all of which have been sourced from leading global manufacturers that we trust. Take the time to explore our expansive part inventories at your leisure, and our team is on standby 24/7x365 to assist you through the purchasing process however necessary. At Plane Parts 360, we are more than just dependable distributors; we are your strategic sourcing partner for all your operational needs. 


December 16, 2021
October 8, 2021

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