Profile: Khalsa Oilfield Equipment (P) Ltd. develops drag bits for use in the blast hole drilling operation. We are accredited with ISO certification. We offer hy-chrome sleeved liner, valve assembly & components for slush pump, piston rods with nut & lock nut for duplex and triplex pumps. Our piston rod nut wrench is available to prevent crimping the wall of the splined elastic stop nut. Our hy-chrome sleeved liner is designed to overcome the specific stresses in drilling operations.