These two tools are required for external threading on an old lathe and are well suited to Chinese tools. I don't shake very often, but when I had them, they worked pretty well.
AVK Industrial π© AA181 420 Enhanced Thread Expandability
3 Review
OSCARBIDE Grooving Threading - Indexable Heavy Duty
AccusizeTools Indexable Carbide Turning Tool 2387 2003
OSCARBIDE Indexable Heavy Duty Grooving Threading Cutting Tools
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
10 Review
Olson 80 Inch Blade FB14580DB-025
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
πͺ DEWALT DW3984C Portable Blade Set of 3-Pack