® Thread Turning Inserts HUGHES EXTERNAL INTERNAL Pitch L I.C. Taper Ordering Code Ordering Code X Y Connection TPI mm IPF Right Hand Right Hand No. or Size 3.5 27 5/8 2 27 ER 3.5 H-902 27 IR 3.5 H-902 2.8 3.8 31/2 - 65/8 3.5 27 5/8 3 27 ER 3.5 H-903 27 IR 3.5 H-903 2.8 3.8 7 - 85/8 3 27 5/8 1.25 27 ER 3 SLH-90 27 IR 3 SLH-90 3.3 4.6 23/8 - 31/2 Order example: 27 ER 3.5 H-903 BMA PAC EXTERNAL INTERNAL Pitch L I.C. Taper Ordering Code Ordering Code X Y Connection TPI mm IPF Right Hand Right Hand No. or Size 4 22 1/2 1.5 22 ER 4 PAC 22 IR 4 PAC 2.3 2.3 21/2 - 27/8 4 27 5/8 1.5 27 ER 4 PAC 27 IR 4 PAC 2.3 2.3 21/2 - 27/8 Order example: 22 ER 4 PAC MXC A01-35