BT40 Shank Tools BT40 Shank Tools Straight Shanks with Flat Adapters SSF IN-BT Form B/AD lock wrench size order number catalog number D1 D2 L1 L9 screw lock screw ft. lbs. lbs 1749289 BT40BSSF075325 3/4 1.75 3.25 2.25 ELS062050PKG 5/16 70 3.22 1749290 BT40BSSF100425 1 1.97 4.25 3.25 DWG ELS075050 3/8 110 4.01 1749292 BT40BSSF125500 1 1/4 2.50 5.00 3.50 ELS075056PKG 3/8 110 5.83 NOTE: Do not overtighten lock screw; use torque recommendations above. Supplied with lock screw. Lock screw wrench not included. For retention knobs, see page J33. D44 WWW.WIDIA.COM