® Slim MT NPTF Conical pipe thread inserts are one-sided and may be used for both External and Internal threading Pitch Insert size Ordering code Toolholder TPI 14 SL 26 - 14 NPTF SL 26 SR ….. - SL26 - … 11.5 * SL 26 - 11.5 NPTF * Cannot be used with Toolholder SRT17-...-SL26-2 For Toolholders see pages B03-8 and 9 BSPT Conical pipe thread inserts are one-sided and may be used for both External and Internal threading Pitch Insert size Ordering code Toolholder TPI 14 SL 26 - 14 BSPT SL 26 SR ….. - SL26 - … 11 * SL 26 - 11 BSPT * Cannot be used with Toolholder SRT17-...-SL26-2 For Toolholders see pages B03-8 and 9 For carbide grade and cutting speed see page B12-6 B03-7