When customers provide Regal Cutting Tools tap specifications for size, pitch and either H limit or class of fit, they expect we can design the proper tool for their applications. Our designers have years of experience, but without more information, taps will be supplied to produce the thread requested, without consideration of tool performance or longevity.
Production tapping, or dealing with difficult materials, requires information often overlooked when we are asked for recommendations. Remember, we use knowledge of cutting action developed through thousands of different jobs, and don’t know your job’s specific needs.
The cutting face of the tap flute has a hook angle and thread clearance so that free cutting takes place. Entering chamfer and back taper insure straight clean threads. The depth of the threads and whether it’s a through or blind hole is necessary information.
Production tapping of hundreds, thousands or even millions of parts usually is measured by the number produced per hour, or the cost to produce one part.
Regal Cutting Tools can help you achieve the results you’re looking for and will work with you to maximize production or produce threads in difficult materials. The most critical information, often forgotten, is: