DIN 69893 HSK A / E HSK DIN 69893 (ISO 12164-1 Standard) DIN 69893 Form A l6 60° d2 d5 d4 d10max. d1 b1 d16 f3 f1 l1 f2 HSK-A d1 h10 d2 d4 H10 d5 H11 d10 max d16 l1-0.2 l6 Js10 b1±0.04(1) f1 -0.1 f2 min f3 ±0.1 40 40 30 21 25.5 34 M12x1 20 11.42 8.05 20 35 16 50 50 38 26 32.0 42 M16x1 25 14.13 10.54 26 42 18 63 63 48 34 40.0 53 M18x1 32 18.13 12.54 (12.42) 26 42 18 80 80 60 42 50.0 67 M20x1.5 40 22.85 16.04 26 42 18 100 100 75 53 63.0 85 M24x1.5 50 28.56 20.02 (19.9) 29 45 20 (1) The dimensions in parentheses refer to dimension b1 only for HSK A...WH tools. These tools feature key slot gap and tolerance, used on turning tools for accurate cutting edge height position, (according to Japanese ICTM standard and ISO 12164/3 standard). DIN 69893 Form E l4 60° d2 d9 d8 d16 d4 max d1 f3 f1 l1 f2 HSK-E d1 h10 d2 d4 max d8 H10 d9 H11 d16 l1-0.2 L4 Js10 f1-0.1 f2 min f3±0.1 32 32 24 26 17 19 M10X1 16 8.92 20 35 16 40 40 30 34 21 25.5 M12X1 20 11.42 20 35 16 50 50 38 42 26 32.0 M16X1 25 14.13 26 42 18 63 63 48 53 34 40.0 M18X1 32 18.13 26 42 18 DIN 69893 Form F (1) l2 l4 60° d2 d9 d8 d4 max d1 5 12 f3 l1 f1 f2 HSK-F d1 h10 d2 d4 max d8 H10 d9 H11 l1-0.2 l2 l4 Js10 f1-0.1 f2 min f3±0.1 63 63 38 53 26 32 25 5.0 14.13 26 42 18 (1) Without crosshole. 584 ISCAR