HHIP 5/8 X 1-1/4 X 31/64 X 1 Indexable T-Slot Cutter (2077-0502) ~ 7° relief. ~ Setting rake is 90°. ~ For milling, "T" slotting, bottom shouldering & side slotting. ~ Bolt size is 5/8". ~ Cutter diameter D is 1-1/4". ~ Cutter width b is 17/32". ~ Neck diameter d1 is 41/64". ~ Shank diameter d is 1". ~ Undercut length L1 is 1-11/16". ~ Overall length is 4-3/8". ~ Takes 4 CCMT 32. 5 inserts. ~ Replacement screw size is M4 X 8 #2100-0069.