Grade TDT-E PRESSED INSERTS FOR EXTERNAL TURNING AND GROOVING OD Turning OD Grooving R W B 7° L H Insert WDesignationSeat±.05Size(mm) W±.002(inch) R(inch) L(inch) H(inch) TDT3E-0.4 3 3.0 0.118 0.016 0.79 0.185 TDT4E-0.4 4 4.0 0.157 0.016 0.79 0.185 Use holders TGB, TGBR/L, TGB-MS, TGER/L, TCER/L, TCFR/L, TTER/L, TTER/L-SH, TGFR/L, TGFPR/L, TGEUR/L, TGBFR/L, TTFR/L, TTFR/L, TTFPR/L, TTIR/L, TGIUR/L, see pages 1304 - 1308, 1310, 1314 - 1329. Part Number CT3000 K10 TT5100 TT7220 TDT3E-0.4 TDT4E-0.4 = P = M = K = N = S =H 1284