КОНИЧЕСКИЙ МЕТЧИК Caterpillar 4C4990

The Machine Screw Taper Tap is used for starting internal threads in drilled holes and helps establish an accurate thread path for machine screw fastening. Its tapered entry gradually forms the first few threads, supporting easier tool alignment and reducing the chance of cross‑threading or binding. The controlled cutting action helps guide deeper taps or machine screws with improved precision.Attributes:• Tapered tip supports gradual and controlled thread entry.• Helps maintain proper alignment during thread formation.• Reduces binding or miscut threads at the hole entry.• Features ground threads to support smooth, accurate engagement when used with a taper tap.Applications: The Machine Screw Taper Tap is used at the first stage of thread creation in drilled holes. It helps establish initial thread alignment, reduce cutting resistance, and prepare the hole for plug or bottoming taps that complete the thread depth for machine screw installation.