
SEC- External Tool Identification Table ■ Catalogue Classification System for SEC-Tool Holders ● Identification Example D T F N R 25 25 M 16 (04 W) Example: (—) External Holders DTFNR2525M16 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (1) Clamping System (3) Holder Style (5) Feed Direction (7) Shank Width (9) Insert Cutting Edge Length (11) Shim ☞ Page B3 (Table 5) C Refer to Table 1 Refer to Table 3 Refer to Table 5 Refer to Table 7 Added only for holders with shims. Previous cat. nos.: Added only for holders with shims See Table 9 meant for SEC-30/GD types. (2) Insert Shape (4) Insert Relief Angle (6) Shank Height (8) Shank Length (10) Insert Thickness · Structure: Double Clamp Method Refer to Table 2 Refer to Table 4 Refer to Table 6 Refer to Table 8 Refer to Table 10 · Shape: With Triangle Insert, Cutting Edge Angle 91° Added only for holders with the same catalogue · Shank: H - 25mm, W - 25mm, L - 150mm numbers but different insert thicknesses Table 1 Table 2 Table 4 (1) Clamping System (2) Insert Shape (4) Insert Relief Angle Symbol Clamp Structure Symbol Clamp Structure Symbol Insert Shape Symbol Insert Shape Symbol Relief Angle 85° Angle Angle Diamond Type Clamp-on A Parallellogram 85˚ M 86° 86˚ A 3° C Clamp-on M + Pin Lock 82° Angle Octagonal B Parallellogram 82˚ O Type B 5° 80° Angle Pentagonal Lever Lock C Diamond Type 80˚ P Type C 7° D Double Clamp P (Insert is supported by 2 faces) 55° Angle D Diamond Type 55˚ R Round Type D 15° 75° Angle Pin Lock E Diamond Type 75˚ S Square Type E 20° E (Insert is supported S Screw-on by 1 face) 50° Angle Triangular F Diamond Type 50˚ T Type F 25° 35° Angle H Trigon Type V Diamond Type 35˚ G 30° Table 5 (5) Feed Direction 55° Angle Uneven Trigon K Parallellogram 55˚ W Type 80˚ N 0° Symbol Right Hand Symbol Left Hand Symbol Neutral Rectangular L Type P 11° R L N Special Relief O Angle Table 3 Table 6 Table 7 Table 8 Table 9 Applicable for previous cat. nos. only (3) Holder Style ( indicates major cutting edge) (6) Shank Height (7) Shank Width (8) Shank Length Insert Inscribed Circle Insert Thickness Symbol Shape Offset Symbol Shape Offset Symbol Height (mm) Symbol Width (mm) Symbol Length (mm) Symbol Inscribed Circle (mm) Symbol Thickness (mm) 95˚ 12 12 12 12 F 80 3 9.525 2 3.18 A* No L Yes 16 16 16 16 H 100 4 12.70 + 3 4.76 90˚ 95˚ 20 20 20 20 K 125 5 15.875 4 6.35 B 75˚ No N No 25 25 25 25 M 150 6 19.05 5 7.94 63˚ 32 32 32 32 N 160 8 25.40 6 9.52 40 40 40 40 P 170 Previous cat. nos. indicated an inscribed circle symbol D No R Yes and insert thickness symbol displayed in 2 columns. 45˚ 75˚ 50 50 50 50 Q 180 2 digits are used for shank height S 250 For Round Type Inserts E No S 45˚ Yes and width dimensions in mm. T 300 Symbol Inscribed Circle (mm) 60˚ Table 10 U 350 10 10 For some F* 90˚ Yes T Yes (10) Insert Thickness 12 12 60˚ previous Symbol Thickness (mm) Symbol Thickness (mm) catalogue 16 16 X1 1.40 / 1.80* 04 4.76 numbers, a 20 20 G* Yes U 93˚ Yes 90˚ 01 1.59 05 5.56 hyphen (-) is 25 25 used instead of a 32 32 02 2.38 06 6.35 letter. J Yes W 60˚ Yes T2 2.78 07 7.94 93˚ 03 3.18 09 9.52 K 75˚ Yes Y 85˚ Yes T3 3.97 * CCET03X1→1.40, CCET04X1→1.80 * 91° on our products C4