
BT50 Shank Tools BT50 Shank Tools ROTAFLEX™ Boring Adapters system size RFX-BT Form B/AD system wrench size order number catalog number size D2 L1 clamp screw Nm kg 3860681 BT50BRFX320060M RFX320 32 60 4mm 12 3,50 3860682 BT50BRFX420060M RFX420 42 60 5mm 20 3,90 3860693 BT50BRFX550065M RFX550 55 65 6mm 25 4,20 3860694 BT50BRFX720070M RFX720 72 70 6mm 25 4,50 NOTE: Do not overtorque actuation screw; use torque recommendations above. Supplied with actuation mechanism and sealing ring. For retention knobs, see page J33. WWW.WIDIA.COM D89