ER - SHRINK ER COLLET DIN 6499 - METRIC A ➚ A .003 58-60 HRc N5 100 bar Lmax Lmax Lmin Lmin 4˚ 4˚ d D D1 d D D1 J L1L Coolant JET2 J L1L ER.. SRK.. (1) ER.. SRK JET2.. Designation d L L1 Lmin Lmax D1 D J Hex Key ER20 SRK 3X35 3.00 35.00 24.5 10.0 16.00 13.5 10.0 M6 3 ER20 SRK 3X60 3.00 60.00 24.5 10.0 16.00 13.5? 10.0 M6 3 ER20 SRK 4X35 4.00 35.00 24.5 12.0 18.00 13.5 10.0 M6 3 ER20 SRK 4X60 4.00 60.00 24.5 12.0 18.00 13.5 10.0 M6 3 ER20 SRK 5X35 5.00 35.00 24.5 15.0 21.00 13.5 10.0 M6 3 ER20 SRK 5X60 5.00 60.00 24.5 15.0 21.00 13.5 10.0 M6 3 ER20 SRK 6X35 6.00 35.00 25.5 18.0 24.00 14.7 11.0 M8 4 ER20 SRK 6X60 6.00 60.00 29.5 18.0 24.00 15.2 11.0 M8 4 ER25 SRK 3X35 3.00 35.00 24.5 10.0 16.00 13.5 10.0 M6 3 ER25 SRK 3X60 3.00 60.00 44.5 10.0 16.00 16.3 10.0 M6 3 ER25 SRK 4X35 4.00 35.00 24.5 12.0 18.00 13.5 10.0 M6 3 ER25 SRK 4X60 4.00 60.00 44.5 12.0 18.00 16.3 10.0 M6 3 ER25 SRK 5X35 5.00 35.00 24.5 15.0 21.00 13.5 10.0 M6 3 ER25 SRK 5X60 5.00 60.00 44.5 15.0 21.00 16.3 10.0 M6 3 ER25 SRK 6X35 6.00 35.00 26.0 18.0 24.00 14.7 11.0 M8 4 ER25 SRK 6X60 6.00 60.00 44.5 18.0 24.00 17.3 11.0 M8 4 ER25 SRK 8X35 8.00 35.00 26.5 25.0 30.00 17.8 14.0 M10 5 ER25 SRK 8X60 8.00 60.00 39.5 25.0 31.00 19.7 14.0 M10 5 ER32 SRK 3X35 3.00 35.00 22.5 10.0 16.00 13.2 10.0 M6 3 ER32 SRK 3X60 3.00 60.00 44.5 10.0 16.00 16.3 10.0 M6 3 ER32 SRK 3X85 3.00 85.00 70.0 10.0 16.00 19.8 10.0 M6 3 ER32 SRK 4X35 4.00 35.00 23.5 12.0 18.00 13.4 10.0 M6 3 ER32 SRK 4X60 4.00 60.00 44.5 12.0 18.00 16.3 10.0 M6 3 ER32 SRK 4X85 4.00 85.00 70.0 12.0 18.00 19.8 10.0 M6 3 ER32 SRK 5X35 5.00 35.00 24.5 15.0 21.00 13.5 10.0 M6 3 ER32 SRK 5X60 5.00 60.00 44.5 15.0 21.00 16.3 10.0 M6 3 ER32 SRK 5X85 5.00 85.00 70.0 15.0 21.00 19.8 10.0 M6 3 ER32 SRK 6X35 6.00 35.00 25.5 18.0 24.00 14.7 11.0 M8 4 ER32 SRK 6X60 6.00 60.00 45.0 18.0 24.00 17.3 11.0 M8 4 ER32 SRK 6X85 6.00 85.00 69.5 18.0 26.00 20.8 11.0 M8 4 ER32 SRK 8X35 8.00 35.00 33.0 25.0 31.00 18.8 14.0 M10 5 ER32 SRK 8X60 8.00 60.00 45.0 25.0 31.00 20.4 14.0 M10 5 ER32 SRK 8X85 8.00 85.00 65.0 25.0 31.00 23.2 14.0 M10 5 ER32 SRK 10X35 10.00 35.00 34.0 30.0 35.00 20.8 16.0 M12 6 ER32 SRK 10X60 10.00 60.00 44.5 30.0 36.00 22.4 16.0 M12 6 ER32 SRK 10X85 10.00 85.00 49.5 30.0 36.00 23.0 16.0 M12 6 ER32 SRK 12X35 12.00 35.00 28.0 32.0 24.0 20.0 ER32 SRK 12X60 12.00 60.00 28.0 32.0 38.00 24.0 20.0 M14 6 ER32 SRK 12X85 12.00 85.00 28.0 32.0 38.00 24.0 20.0 M14 6 (1) For JET2 collet, add JET2 to the designations (i.e. ER32 SRK 10x35 JET2). 850