end of top- SERIES MOD*MOD shanks, etc REDUCERS Coolant L1 T1 D1 D2 T2 T1 T2 D1 D2 L1 External Internal Connection Projection Extension Wrench Designation Thread Thread Dia. mm (in) Dia. mm (in) Length mm (in) Size MOD08MOD06SK030 M08 M06 13mm (0.051") 9.7mm (0.38") 30mm (1.18") 10mm MOD10MOD08SK040 M10 M08 18mm (0.71") 13mm (0.51") 40mm (1.57") 15mm MOD12MOD10SK045 M12 M10 21mm (0.82") 18mm (0.71") 45mm (1.77") 18mm MOD16MOD12SK050 M16 M12 29mm (1.14") 21mm (0.82") 50mm (1.96") 25mm 737