Staying on the cutting edge
With its release of new tool bodies and inserts, Walter USA LLC significantly expands its cutter family for milling large threads, the T2711/T2712 system.
It’s been less than 2 years since Walter USA LLC launched its cutter family for milling large threads, the T2711/T2712 system. Now, with its release of new tool bodies and inserts, Walter significantly expands the system, combining the advantages of thread milling and tapping.
When the T2711/T2712 was introduced in 2016, its biggest advantage was insert design, according to Walter Product Manager Luke Pollock. “By causing the chip to curl inwards, away from the part, it is a very smooth-cutting tool, keeping cutting forces to a minimum.”
Pollock said the design allows threads to be cut in one pass, eliminating the need for multiple passes or running a spring pass to ensure that the thread pitch is within specification.
Walter’s T2711 (top) and T2712 combine the advantages of thread milling and tapping. Image courtesy of Walter USA.
The original system offered nine tool bodies for M and MF thread styles, with metric-dimensioned shanks. For UNC/UNF/UN threads, there were three tool bodies with metric shanks and three with inch shanks. The original system offered five different combinations of insert size and corner radius, so a large number of thread sizes and pitches could be produced.
The company’s new products include two new tool bodies for producing M56 and M64 coarse-pitch threads. With these additions, users can cut essentially any pitch from 6 to 18 tpi (1.5mm to 6mm).
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