(Hole + Chipbreaker), W (Hole + Double-sided chipbreaker), A (Hole, no chipbreaker). 5. Size Length of the cutting edge. Represented in mm (Metric) or 1/8" increments (ANSI/Inch). 6. Thickness Vertical depth of the insert. 04 (4.76 mm), 03 (3.18 mm), 06 (6.35 mm). 7. Radius Nose radius for surface finish. 04 (0.4 mm), 08 (0.8 mm), 12 (1.2 mm). Extended Parameters (Positions 8–13) ISO designation for Inserts - Seco Tools
(80° Diamond), D (55° Diamond), T (Triangle), W (Trigon), S (Square), R (Round). 2. Clearance The relief angle behind the cutting edge. (Hole + Chipbreaker), W (Hole + Double-sided chipbreaker),
(Standard/Medium), G (Ground/High Precision), E (Precision). 4. Fixation Clamping method and chipbreaker info. Represented in mm (Metric) or 1/8" increments (ANSI/Inch)
(0°/Neutral), C (7°), P (11°). Neutral inserts are double-sided; positive inserts are single-sided. 3. Tolerance Allowable deviation in dimensions. 3. Tolerance Allowable deviation in dimensions.