SERIES TGTIR/L INTERNAL SHALLOW GROOVING HOLDERS ID Grooving Seal L1 Seal Thread D F L dg7 H Designation d L L1 F H Dmin(inch)(inch)(inch)(inch)(inch)(inch)SealSealThread TGTIL31.7-4-33 1.250 10.000 2.360 0.830 0.550 1.300 RL 125 NPT1/8 TGTIR31.7-4-33 1.250 10.000 2.360 0.830 0.550 1.300 RL 125 NPT1/8 Use insert TTG, page 1338. HARDWARE Lever Lever Screw Seal Snap Ring Allen Wrench LCL4B LCS4B-T PL32 LSR4B L-W3 1342