API Spec 7K Certified Zp Series Rotary Table, Zp175 Zp205 Heavy Duty Rotary Assembly. API Spec 7K Certified: Conforms to API Spec 7K standards for drilling rig rotary tables. Alloy Steel Construction: Gear wheels and pinions manufactured from high-strength alloy steel. Customizable Drive Options: Master bushing and kelly roller bushing available in square or pin drive. Full Lubrication System: Equipped with full lubrication and steady seal for reliable operation. Stainless Steel Material: Constructed using durable stainless steel for corrosion resistance. Flexible Payment Terms: Accepts LC and T/T payment methods for international transactions.