1 2 58-60 HRc L 1 PS SK-DIN (pull stud) L 2 SK Pull Stud with DIN L 69872 Retention Knob D1 d5 G a ° D 2 D 3 Designation SS G D 1 D 2 D 3 d 5 L L 1 L 2 a° Fig. PS SK30 15 M12 DIN 30 M12 13.00 9.00 13.00 - 19.00 44.0 24.00 15 1 PS SK40 15 M16 DIN 40 M16 19.00 14.00 17.00 - 20.00 54.0 26.00 15 1 PS SK40 15 M16 DIN O 40 M16 19.00 14.00 17.00 - 20.00 54.0 26.00 15 2 PS SK40 15 M16 DIN OB 40 M16 19.00 14.00 17.00 7.0 20.00 54.0 26.00 15 2 PS SK40 15 M16 DINB 40 M16 19.00 14.00 17.00 7.0 20.00 54.0 26.00 15 1 PS SK50 15 M24 DIN 50 M24 28.00 21.00 25.00 - 25.00 74.0 34.00 15 1 PS SK50 15 M24 DIN O 50 M24 28.00 21.00 25.00 - 25.00 74.0 34.00 15 2 PS SK50 15 M24 DINB 50 M24 28.00 21.00 25.00 11.5 25.00 74.0 34.00 15 1 • Coolant holes only in items with a B suffix • Fig 1: Without or with coolant holes • Fig 2: Without or with coolant holes and external O-ring L 1 58-60 HRc L 2 PS CAT-ISO (pull stud) L Accessories & Spare Parts CAT Pull Studs with ISO D 1 d 5 G Retension Knob a° D 2 D 3 Designation SS G D 1 D 2 D 3 d 5 L L 1 L 2 a° PS CAT30 45 M12ISOB 30 M12 13.40 9.30 13.00 4.8 8.13 34.0 11.80 45 PS CAT40 45 M16ISOB 40 M16 18.00 12.90 17.00 7.4 11.15 44.5 16.40 45 PS CAT50 45 M24ISOB 50 M24 29.10 19.60 25.00 8.0 17.95 65.5 25.55 45 L 1 58-60 HRc L 2 L PS OTT-BT (pull stud) BT/SK Pull Stud with OTT System Retention Knob D 1 G G D 2 D 3 a° Designation SS G D 1 D 2 D 3 L L 1 L 2 a° PS OTT BT40 M16 40 M16 25.00 21.10 17.00 16.60 56.0 28.00 15 PS OTT BT50 M24 50 M24 39.30 32.00 25.00 13.35 65.0 25.00 15 58-60 HRc L 1 L 2 PS OTT-SK (pull stud) L SK Pull Stud with OTT System Retention Knob D 1 G G D 2 D 3 a° Designation SS G D 1 D 2 D 3 L L 1 L 2 a° PS OTT SK40 M16 40 M16 21.10 25.00 17.00 13.00 53.0 25.00 15 NUT ER-TOP G1 D3 ER-TOP Clamping Nuts for DIN 6499 Collet Chucks L ER 16, 20 TOP ER 25, 32, 40 TOP Designation D 3 L G 1 Nxcm NUT ER16 TOP 28.00 17.80 M22X1.5 6867 NUT ER20 TOP 34.00 19.00 M25X1.5 11772 NUT ER25 TOP 42.00 20.00 M32X1.5 19620 NUT ER32 TOP 50.00 22.50 M40X1.5 21582 NUT ER40 TOP 63.00 25.00 M50X1.5 24525 979