GDR Mektek Pvt Ltd. Supplies 15 T Coil Spring Scragging and Load Deflection Testing Machine. GDR Mektek Pvt Ltd. Manufactures SPMS Metal Cutting Machines, CNC Rotary Table, Vibratory Feeders and Conveyors, Taper Lock, Zero G Balancer, Manipulator, Test Rigs, etc. The 15 T Coil Spring Scragging and Load Deflection Testing Machine has Coil Spring which is used in assembly of rail Coach suspension. 15 T Coil Spring Scragging and Load Deflection Testing Machine is a microprocessor controlled machine with Computer based data collection, graph plotting and segregation.