251.6-M8-25-ND

GN 251.6 Setting bolts with retaining magnet 1 2 d 1* l1 M 6 12 16 20 25 M 8 16 20 25 30 M 10 20 25 30 M 12 25 30 M 16 30 40 d2 e≈ k 1 −1 k2 l 2 max. s Nominal magnetic forces in N 30 10 11     4   3,2 3   10  25 40 13 14,4  5,3 4   3,7 13  50 40 50 17 17,8  6,4 5   4,5 17  75 40 50 60 19 20    7,5 6   5,2 19 110 50 60 80 24 26,8 10   8   6   24 145 * Thread: nut mobility Specification • Screw Steel -- Tensile strength class 5.8 -- zinc plated, blue passivated • Hexagon nut Steel -- Tensile strength class 04 -- zinc plated, blue passivated 3 Information Setting bolts GN 251.6 with retaining magnets are a shielded magnetic system. Suitable e.g. as workpiece stop, with the magnet holding the workpiece in place. The lock nut (included) can be used to secure the stop screw after positioning. • Material of the magnet see also... NdFeB ND • More information to retaining magnets → Page 1380 ff. Neodymium, iron, boron • Setting bolts GN 251 (without magnet) → Page 838 temperature resistant up to 80 °C • Strength values of screws → Page 1481 • RoHS How to order 1 2 3 GN 251.6-M6-12-ND Page 1408 | 3.9 Holding with magnets 1 d1 2 l1 3 Material of the magnet