
SumiGrip Jr. STFS Type ● How to Install the Insert Cut-Off (Steel Holder/Shank Type) Insert Please mount the insert by lightly tapping it with a plastic or wooden hammer. STFS Hammer (Please confirm that you cannot remove the insert by hand.) Cut-off It is not necessary to force the end of the insert to touch the WF B CW holder. Please beware that excessively slamming down LF the insert can cause insert and holder breakage. LH2 Max. cut-off dia. ■ Parts HF H Cut-off LH This figure shows right handed tools. ■ Holders Dimensions (mm) Cutting Cutting Width Max. Stock Height Width Length edge edge Head Head Cat. No. distance height of cut cut-off Applicable inserts Wrench R L H B LF WF HF LH LH2 CW dia. STFS R/L1010-2 D D 10 10 86 10 10 17 17 2.0 28 STFS R/L1212-2 D D 12 12 110 12 12 18 18 2.0 30 WC F 2 STFS R/L1616-2 D D 16 16 110 16 16 Q 19 2.0 32 STFS R/L2020-2 D D 20 20 125 20 20 Q 24 2.0 40 STFS R/L1616-3 D D 16 16 110 16 16 20 22 3.0 35 F STFS R/L2012-3 STFS R/L2020-3 D D D D 20 20 12 20 110 125 12 20 20 20 Q Q 24 30 3.0 3.0 40 50 WC F 3 SL-4 Cut-Off STFS R/L2525-3 D D 25 25 150 25 25 Q 30 3.0 50 Tools STFS R/L2020-4 D D 20 20 125 20 20 Q 33 4.0 55 WC F 4 STFS R/L2525-4 D D 25 25 150 25 25 Q 38 4.0 65 STFS R/L2020-5 D D 20 20 125 20 20 Q 35 5.0 60 Grooving WC F 5 STFS R/L2525-5 D D 25 25 150 25 25 Q 40 5.0 70 Cut-Off See F49 for applicable inserts. Threading F48