4 inch Threaded Stem Casters Set of 4 Heavy Duty 2000lbs,3/8"-16 x 1(Stem Diameter 3/8", Stem Length 1"), Swivel Casters Set of 4, Casters, Industrial Castor Wheels for Cart,Furniture

ROCK-SOLID CONSTRUCTION : The heavy duty casters are made of thickened steel structure with high-quality polyethylene wheels. These Industrial casters have a rock-solid construction with a maximum load capacity of 2,000 pounds and a capacity of 500 pounds per wheel.Therefore, they can be used to move heavy goods.. STANDARD AMERICAN SIZE 3/8"" -16UNC x 1"" : Our casters screw size is 3/8"" -16UNC x 1"" (Stem Diameter 3/8"", Stem Length 1"") threaded stem casters. Each no noise casters comes with free mounting hardware to help you assemble quickly. Please confirm the required screw specifications before purchasing 4 inch stem casters.. DOUBLE BALL BEARINGS : The caster wheels are made of high-quality polyurethane (PU) material, which has high abrasion resistance and can absorb shock and vibration. Therefore, they can roll on all floors without drag marks. The wheels are equipped with double ball bearings, which allow them to move smoothly and quietly.. REDUCE ACCIDENTS : The industrial casters feature a double lock design, which allows the brakes to lock the wheels and swivel bearings at the same time, holding the equipment firmly to reduce accidents.This design is essential in certain safety-critical applications, such as on benches, table saws and medical equipment.. CUSTOMER SATISFACTION : Please confirm the required screw specifications before purchasing. LUTUMEI stem caster wheels standard US size with 3/8 ""-16x1"" screws (Threaded diameter: 3/8"", Screw Stem length 1"" ).