External Holders ISO Holders Identification Catalogue Classification System For SEC-Tool Holders D T F N R 25 25 M 16 E DTFNR2525M16 Clamping Holder Feed Shank Insert System Style Direction Width Size Chart 1 Chart 3 Chart 5 Chart 7 Chart 9 Insert Seat Clearance Shank Shank For D-Type Shape Angle Height Length Euro- Clamping: Double clamp system Chart 2 Chart 4 Chart 6 Chart 8 Inserts Shape: Triangular insert with 91° approach angleShank:H = 25mm, W = 25mm, L = 150mm D 1506 Chart 1 Chart 2 Chart 4 Clamping System Insert Shape Seat Clearance Angle Symbol Clamp Types Example of Structure Symbol Clamp Types Example of Structure Symbol Insert Shape Symbol Insert Shape Symbol Relief Angle C Top Clamp M Top & HoleClamp Type A Parallelogram85° 85° M Rhombic86° 86¡ A 3°BParallelogram82°82¡OOctagonalB5° Lever LockDDouble ClampPType (Insert isSupported by1 face)CDiamond80° 80¡ P Pentagonal C 7°DDiamond55°55¡RRoundD15° Pin Lock TypeE(Insert issupported by S ScrewClamp Type1 face) E Diamond75° 75¡ S Square E 20°FDiamond50°50¡TTriangularF25° Chart 5 H Hexagonal V Diamond35° 35¡ G 30° Feed DirectionSymbolRight Hand FeedSymbolNeutral FeedSymbolLeft Hand FeedKParallelogram55° 55¡ W Trigon 80¡ N 0° R N L L Rectangular P 11° O SpecialAngle Chart 3 Chart 6 Chart 7 Chart 8 Chart 9 Holder Style Shank Height Shank Width Shank Length Cutting Edge Symbol Shape Offset Symbol Shape Offset Symbol Height (mm) Symbol Width (mm) Symbol Length (mm) Symbol Length (mm) A 90¡ 95¡NilL95¡ With 12 12 12 12Offset16161616 F 80 Eg. for Triangle For RoundH100Inserts:Inserts: 20 20 20 20 K 125 06 6,9 10 10 B Nil N Nil 25 25 25 25 M 150 08 8,2 12 12 75¡ 63¡ 32 32 32 32 N 160 09 9,6 16 16 D 45¡ Nil R 75¡ With 40 40 40 40 P 170 11 11,0 20 20Offset50505050Q1801616,52525 E 60¡F90¡ Nil S 45¡WithOffsetT60¡WithOffset00Round shank,With Shank SDiamater isTShown forRound Shank,U2503003502222,02727,53333,0 32 32Offset2 digits are used for eachFor someProducts, a G 90¡ WithOffsetU 93¡ With dimension in mm.Offset Hypen is usedInstead of an alphabet. J 93¡ WithOffsetW 60¡ WithOffset K 75¡ WithOffsetY 85¡ WithOffset D8