1 Grade BLS s l e eve S q u a re s h an k sl e e v e f o r b o r i n g b a r s (re gula r le ngt h) LF 2 DCONWS 25 Insert 4-M6 (3-M6) ø14 (10) 12.5 45 16 H Ext. Toolholder Designation DCONWS LF H 3 BLS16-08 8 125 28 BLS16-10 10 125 28 BLS16-12 12 125 28 SPARE PARTS Designation Wrench BLS16-... P-3 Int. Toolholder BLS-C s l e eve S q u a re s h a n k s l e e v e f o r b o r i n g b a r s ( s h o r t t y p e ) LF 4 50 40 30 10 DCONWS 25 5 3-M6 12.5 Threading 16 H R3/8 Designation DCONWS LF H BLS16-08C 8 100 28 BLS16-10C 10 100 28 BLS16-12C 12 100 28 6 Grooving SPARE PARTS Designation Wrench BLS16-**C P-3 BLM s l e eve 7 R ou n d s h a n k sl e e v e f o r b o r i n g b a r s Endmill DCONMS DCONWS 3-M5X0.8 B H LF 8 Drilling Tool Designation DCONWS DCONMS LF H B BLM19-08 8 19.05 100 18 18 BLM20-08 8 20 100 18 19 BLM22-08 8 22 125 21 21 BLM254-08 8 25.4 125 24 24 Technical Reference BLM25-08C 8 25 55 23 24 BLM25-10C 10 25 55 23 24 9 BLM25-12C 12 25 55 23 24 SPARE PARTS Designation Wrench BLM... P-2.5 4-31