Categories: Tapper Head, Drilling and Tapping Machines For Automation, Multi-Spindle Drilling and Tapping Heads Model #Offset PitchErickson Collet SeriesChucking Capacity (inches/mm)Type of Tap HoldingApplicable Synchro Tapper ModelList Price OTC-100FU1.8701 inches (47.5 mm)KTCNumber 3 to 1/2 (M3 to M12)Floating Number 0.016 (0.4)STB-L108UQUOTEOTD-160FU2.7165 inches (69 mm)KTC Number 3 to 5/8 (M3 to M16)Floating Number 0.016 (0.4)STC-P316UQUOTEOTD-220FU2.7165 inches (69 mm)LTC 1/2 to 7/8 (M12 to M22)Floating Number 0.016 (0.4)STC-P316UQUOTE