Machine Reamers MTS HSS Inch sizes 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/4 17/64 9/32 19/64 5/16 21/64 11/32 23/64 3/8 MTS machine reamers 25/64 13/32 27/64 7/16 29/64 15/32 31/64 1/2 machine reamers MTS 33/64 17/32 35/64 9/16 37/64 19/32 39/64 5/8 21/32 45/64 11/16 3/4 49/64 25/32 51/64 13/16 53/64 7/8 57/64 29/32 59/64 15/16 61/64 31/32 63/64 1" Machine Reamer MTS Morse Taper Shank 1-1/32 1-1/16 1-3/32 1-1/8 1-5/32 1-3/16 1-7/32 1-1/4 1-5/16 1-3/8 1-7/16 1-1/2 1-9/16 1-5/8 1-11/16 1-/3/4 1-13/16 1-7/8 1-15/16 2 Inch sizes BSS122 Right hand cutting gives parallel-cut Machine Reamers with Morse Taper Shank with round-end British made