® D-Thread D-Thread Mill-Thread Inserts & Toolholders for machining deep threads Insert Size No. of Insert Torx Ordering Code Y D D1 L1 L2 L I.C Inserts Screw Key SR0035R16U 16U 3/8U 7.6 35.5 32 220 155 4 SE16 K16 Insert Size No. of Insert Torx Ordering Code Y D D1 D2 L L I.C Inserts Screw Key SR0043B16U-5 16U 3/8U 7.6 43.4 16 35.3 38.1 5 SE16 K16 Partial 60˚ Size 16U Partial 55˚ Size 16U Pitch Pitch Ordering Code Ordering Code mm TPI TPI INT. 4.0 - 6.0 6-4 16U 55D INT./EX. 6 - 4.5 16U 60D EX. 3.0 - 5.0 8-5 INT. 1.5 - 3.0 16 - 8 16U 60D-16-8 EX. 1.5 - 2.5 18 - 10 Coated Grade: BMA B05-4