Features

• It adopts a special shape that leaves a few complete threads on the screw part and makes half of the subsequent threads.
• Spiral tap with a special shape that leaves a few full threads on the threaded portion and then cuts the thread in half + unique groove shape.
• This spiral tap for a blind hole coating blind hole realizes maintenance of chip discharge property and reduction of friction resistance by this special shape.
• For blind hole machining.
• Work Material: Stainless Steel, Tool Steel, Alloy Steel, Carbon Steel, Aluminum Alloy Castings.