Internal threading tool ATB series

for lathes

Aloris ATB Series threading bars can be used for internal right or left-handed threading. Available in five sizes, these bars accomodate standard triangular-shaped throwaway inserts in a hardened seat. The ATB Series shank has three flat sides specially designed for use in Aloris boring bar holders #1, #2, #13, #4, and #41. They may also be used in any Aloris boring bar holder. Excellent for CNC machines.