Morse Taper Spanners and Nuts
MORSE TAPER ADAPTOR ( WITH TANG END ) :: SHORT 
Mini Nut    Spanner
Type A (mm) B (mm) C Type  L
UM/ER 8M  12 10.8 M10 x 0.75 E - 8M 75
UM/ER11M 16 11.3 M13 x 0.75 E - 11M 100
UM/ER16M 22 17 M19 x 1 E - 16M 140
UM/ER20M 28 19 M24 x 1 E - 20M 140
UM/ER25M 35 20 M30 x 1 E - 25M 148
 
Hex Nut Spanner
Type A (mm) B (mm)  C Type L
UM/ER11 19 11.3 M14 x 0.75 GS17 17 155
UM/ER12 19 12.5 M14 x 0.75 GS17 17 155
UM/ER16 28 17 M22 x 1.5 GS25 25 210
UM/ER20 34 19 M22 x 1.5 GS30 30 250
 
E- Nut Spanner
Type A (mm) B (mm) C Type L
UX/ER16 32 17.5 M22 x 1.5 E16 160
UX/ER20 35 18.5 M25 x 1.5 E20 160
UM/ER25 42 20 M32 x 1.5 E25 160
UM/ER32 50 22 M40 x 1.5 E32 170
UM/ER40 63 25 M50 x 1.5 E40 228
UM/ER50 78 35 M64 x 2.0 E50 280
 
RTO- Nut Spanner
Type A (mm) B (mm) C Type L
UM/RTO25 43 24 M33 x 1.5 E - 025 160
UM/RTO35 60 30 M48 x 2.0 E - 035 228
UM/RTO44 72 34 M68 x 2.5 E - 044 280