What is a cutting tap?　What is a form...

A cutting tap is a tap that forms internal threads by cutting and removing the workpiece material. Straight‑fluted taps, spiral‑fluted taps, and spiral‑poin... 詳細表示

What is brass?

Brass, also known as brass, is an alloy of copper and zinc. It is used for brass instruments. The material adaptation table for the tool in the catalogue ... 詳細表示

What is a parallel thread?　What is a ...

A thread parallel to the central axis is defined as the line connecting the crests of adjacent threads. This type of thread is called a parallel thread, suc... 詳細表示

What is ductile cast iron ?

ductile cast iron is cast iron with improved strength and ductility. "Ductile" means "stretching" in English, and it is hard and stretchy, making it d... 詳細表示

What is a slotted hole?

A hole with a constant depth and a horizontal length to the surface of the workpiece. It is a shape of an standard round hole that is extended horizontally. 詳細表示

What is high-tensile steel?

High‑tensile steel, also called high‑strength steel, refers to steel with a tensile strength of approximately 490 MPa or higher. For example, in the case of... 詳細表示

Chip shape during tapping

If the chips are thin and short, they can be considered to have a good shape that is easy to discharge. If the chips are thick and long, there is a risk tha... 詳細表示

Coarse screw thread and Fine screw th...

Coarse screw thread and Fine screw thread refers to the type of pitch of the thread. Coarse screw thread most commonly used threads. It is often omitted bec... 詳細表示

What is effective thread length?

The effective thread length is the length of the thread. Excluding the incomplete threaded part, it is the length of the part including the chamfer. 詳細表示

What is HRC, a unit of hardness?

There are various units that express the properties of metals, and it is important to check their values before processing. It is also important to select a... 詳細表示