Accessories Collet nut ERQF for internal coolant supply using seal washer DIN 6499, ISO 15488 Size Item No. M Recommended Seal washer torque Nm ER-20QF 207020000 M 32 x 1.50 80 210120… 107520020 ER-25QF 207025000 M 40 x 1.50 110 210125… 107525020 ER-32QF 207032000 M 50 x 1.50 140 210132… 107532020 Dimensions in mm Collet nut ERQF-BC with ball bearing, for internal coolant supply using seal washer DIN 6499, ISO 15488 Size Item No. M Recommended Seal washer torque Nm ER-40QF 208040001 M 62 x 1.50 180 210140… 107540020 ER-50QF 208050001 M 68 x 1.50 240 210150… 107550020 Dimensions in mm 16 © WTO GmbH I Subject to change without notice