The safest and easiest method of screw-cutting on any manual lathe. Showing examples of cutting non-standard sized threads. Using this method prevents tool crashes and thread cutting failures making screw cutting a pleasure to do. SEE TOOL LINKS:-
S10K-SDUCR07 Lathe Turning Tool Holder -- https://goo.gl/4CH2yg
Drillpro SER1010H11 Threading Turning Tool Holder -- https://goo.gl/S11tBB
Drillpro SER1010H11 Threading Turning Tool Holder(US warehouse) -- https://goo.gl/gtywBt
10pcs 11ER A60 Carbide Inserts External Thread CNC Blade-- https://goo.gl/AzfndJ
SNR0010K11 Internal Lathe Threading Boring Turning Tool Holder -- https://goo.gl/QVve6s
Drillpro 10pcs 11IR A60 Carbide Insert Internal Threading Insert -- https://goo.gl/4mcctc
Drillpro 10pcs 11IR A60 Carbide Insert Internal Threading Insert (US warehouse)-- https://goo.gl/T57S7q