Boring Bars Boring Bars Identification Table ■ Catalogue Classification System for SEC-Boring Bars (Round Shank) [ISO Standard] Example: S 16 R — S T U P R 11 03 -18 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) * (1) Shank (3) Shank (5) Insert (7) Insert (9) Insert Cutting (11) Min. Bore Material Length Shape Relief Angle Edge Length Diameter Refer to Table 1 Refer to Table 3 Refer to Table 5 Refer to Table 7 mm mm * (2) Shank (4) Clamping (6) Holder (8) Feed (10) Insert Diameter System Style Direction Thickness mm Refer to Table 4 Refer to Table 6 Refer to Table 8 mm E * This code may only be included in some of the catalogue nos. Table 1 Table 3 Table 4 (1) Shank Material (3) Shank Length (4) Clamping System Symbol Shank Material Symbol Length (mm) Symbol Length (mm) Symbol Length (mm) Symbol Clamp Structure Symbol Clamp Structure S Steel Shank F 80 M 150 T 300 A Steel Shank with Oil Hole G 90 N 160 U 350BSteel Shank with Anti-Vibration MechanismH100P170V400CClamp-on M Clamp-on+ Pin Lock D Steel Shank with Anti-Vibration Mechanism and Oil Hole J 110 Q 180 W 450 C Carbide Shank K 125 R 200 Lever Lock E Carbide Shank with Oil Hole L 140 S 250Table 8 D Double Clamp P (insertsupportedby 2 faces) (8) Feed Direction Symbol Right Hand Symbol Left Hand Pin Lock E (insertsupported S Screw-on R L by 1 face) Table 5 Table 6 Table 7 (5) Insert Shape (6) Holder Style (—— indicates major cutting edge) (7) Insert Relief Angle Symbol Insert Shape Symbol Insert Shape Symbol Shape Offset Symbol Shape Offset Symbol Relief Angle A 85° AngleParallelogram 85° M 86° Apex AngleDiamond Type 86° A No N No A 3°90°63° B 82° AngleParallelogram 82° O OctagonalType B No Q 107.5° Yes B 5°75° C 80° Apex AngleDiamond Type 80° P PentagonalType D No R Yes C 7°45°75° D 55° Apex AngleDiamond Type 55° R Round Type E No S Yes D 15°60°45° E 75° Apex AngleDiamond Type 75° S Square Type F 90° Yes T Yes E 20°60° F 50° Apex AngleDiamond Type 50° T TriangularType G Yes U 93° Yes F 25°90° H Trigon Type V 35° Apex AngleDiamond Type 35° J Yes W 60° Yes G 30°93° K 55° AngleParallelogram 55° W UnevenTrigon Type 80° K 75° Yes Y 85° Yes N 0° L RectangularType L 95° Yes Z 93° Yes P 11° O Special Angle ■ Catalogue Classification System for SEC-Boring Bars (Round Shank) [SEH Standard] Example: WB P T — 2 12 R (H) (14) BB Steel Shank Boring Bar W/ Oil Hole Min. Borediameter WB Carbide Shank Boring Bar XB Steel Shank Boring Bar with Anti-Vibration Mechanism Symbol R L Direction Right Left P Positive Insert Symbol 08 10 12 16 20 25 Shank Diameter (mm) 8 10 12 16 20 25 Symbol T S C Insert Shape Triangular Type Square Type 80° Diamond Type Symbol 5 6 2 0 3 4 Insert Inscribed Circle (mm) 3.97 4.76 6.35 7.94 9.525 12.70 E4