start of top-on SERIES W*MOD, S*MOD shanks, etc STRAIGHT SHANKS STEEL Coolant L3 D2 D1 L1 L2 T1 D1 D2 L1 L2 L3 Internal Shank Mating Projection Extension Overall Designation Thread Diameter Diameter Length Length Length W050MOD06SA-22 M06 .500" Weldon 0.46 2.20 2.25 4.00 S062MOD08SK-30 M08 .625" Cylindrical 0.51 1.00 1.09 3.00 WB062MOD08SK-50 M08 .625" Weldon 0.51 3.00 3.09 5.00 S075MOD10SK-30 M10 .750" Cylindrical 0.71 1.00 1.09 3.00 WB075MOD10SK-50 M10 .750" Weldon 0.71 3.00 3.09 5.00 S100MOD12SA-80 M12 1.000" Cylindrical 0.82 2.80 5.75 8.00 S125MOD16SK-90 M16 1.250" Weldon 1.14 2.00 6.75 9.00 WB125MOD16SK-40 M16 1.250" Cylindrical 1.14 1.37 1.75 4.00 730