Thread Turning

New Anti-Twist™ toolholders

The new toolholder, for use with Seco's range of Snap-Tap thread turning inserts, features the Anti-Twist insert locking system to provide the most rigid insert holding possible. The Anti-Twist system has two significant design features. First is the use of a solid carbide pin located in the back of the insert pocket that resists distortion, common to standard toolholders, and prevents twisting and turning of the insert that can occur during machining. Secondly, the introduction of a new D-style clamp securely pulls the insert down and into the pocket. The result is increased toolholder life, less vibration, greater accuracy and performance of the insert, plus overall increase in threading productivity.

Expanded range of direct pressed thread turning inserts

Seco has added a third insert chipbreaker geometry to the popular range of Snap-Tap® thread turning tools. The latest addition, called the "A" chipbreaker, provides consistent machining of numerous thread forms in both steel and stainless steel. As a direct-pressed insert, it offers exacting repeatability and precision edges as well as economy -  direct pressed inserts can cost 20% less when compared to traditionally ground inserts.

The "A" geometry complements two other key chipbreaker geometries within the simplified Snap-Tap range, "A1" and "A2". "A1" is an optimizing geometry for steel components, and "A2" optimizes performance in stainless steel materials. Both provide enhanced chip control, which is especially important in I.D. threading where poor chip evacuation can damage the workpiece and dramatically reduce both tool life and performance. All three geometries are available in Seco's unique grade CP500 that features a highly wear restistant PVD coating to provide dependable machining for the large majority of common thread turning applications.