... efficiency; D type Turning Lathe Toolholder : DCLNR/L, DCBNR/L, DDJNR/L, DDPNN, DDQNR/L, DVJNR/L, DVPNR/L, DVVNN, DWLNR/L1. First grade HSS raw ... other Lathe Tools are produced in our factory, such as boring toolholder,cutoff toolholder,threading toolholder,gear hobs,milling etc..MODEL ...