What does it mean to tap a hole screw?

Tapping a hole is the process of creating threads on the sides of a drilled hole to enable screwing in a bolt or machine screw. This instructable will focus on primarily the use of taper taps, although there will be some mentioning of bottoming taps.

What does it mean to tap a thread?

Tapping is the process of cutting a thread inside a hole so that a cap screw or bolt can be threaded into the hole. Also, it is used to make thread on nuts. Tapping can be done on the lathe by power feed or by hand.

Can I use a bolt as a tap?

A tap is used to either make new threads in a hole, or repair damaged threads. Taps can be purchased, but here is how to make one out of any bolt. After you repair the damaged threads, the bolt can still be used. When using it, apply light oil, and remove the metal shavings.

What is the difference between drilling and tapping?

Drilling and tapping are two different actions. Drilling refers to creating a smooth hole in a material with a drill and motor. Tapping is the action that creates a thread into the side of the hole. Information required to select the drill bit includes thread count, diameter, thread pitch, and coarse/fine threads.

What are tap holes?

Tapped holes are made in sheet metal parts by first starting with a laser cut hole. That hole is then treated with a treading bit to create threads in the hole for use with a screw or bolt with matching threads to hold a component or attaching the sheet metal part to another component.

Why do we tap holes?

For example, when drilling a screw into a material like wood, the screws thread buries itself in. As a result of metal being a stronger material, the screws thread is unable to cut into it. This means that they must be inserted into a tapped hole. Tapped holes provide extra grip to ensure that the screw stays in place.

What is tap hole?

Definition of taphole : a hole for a tap specifically : a hole at or near the bottom of a furnace or ladle through which molten metal, matte, or slag can be tapped.

What is the difference between drill and tap?

Drilling and tapping are two different actions. Drilling refers to creating a smooth hole in a material with a drill and motor. Tapping is the action that creates a thread into the side of the hole. A variety of taps are available to match almost any screw type available, including metric and standard measurements.