castor wheels heavy duty 6 inch

IMPERIAL STEM SIZE: Our casters are standard 5/16″ with 18 TPI,Coarse Thread (US), the stud diameter is 5/16″ and the stud length is 0.79″(20mm), if your stem socket is METRIC M8, this caster is not suitable, please check before buy.
LOCKABLE CASTER : Hirate caster constructed with brake pedal, it can brake the rotation of the caster only, but the stem is still moveable for direction.
QUIET & SMOOTH ROLLING: Made of high-tech elastic polyurethane, with internal bearings are quick rolling and the surface is sleek,wouldn’t get stuck by crumbs,hair, wouldn’t damage on floors.
HEAVY DUTY CASTER – Steel structures body is extremely hard wearing and resistant to dirt, 400 lbs capacity for 5 pack 2 INCH casters, can be widely used for most chairs and other furniture with IMPERIAL STEM 5/16″ only.
VALUED SET: The Hirate branded color-boxed package comes with set of 5 caster and few 5/16”-18 thread screw inserts .

【Heavy Duty 6″ Caster Wheels】 These 6 Inch heavy duty casters are constructed with robust solid galvanized iron bracket and premium polyurethane (PU) wheels, wear-resistant, reduce noise, longer service life, anti-slip and shock absorption, easily support up to 440 lbs per wheel. Suitable for all kinds of road conditions.
【Package Included】 2Pcs caster wheels with brake + 2Pcs without brake. Wheel diameter: 6″/150mm; Wheel Width: 2″/50mm; Top Plate Size: 4×4.5″ / 100x115mm; Overall height(from top plate to ground): 7″/180mm
【Add Casters For Convenience】 Each caster wheel adopts swivel mechanism, and 2 of them have brake locks. With 360 degree top plate and non-marking gray plastic, these caster wheels has the advantages of flexible movement, large loading, convenient operation and so on. Can turn an ordinary workbench into a stable trolley.
【Brake Lock Design】 The brake can quickly lock the wheel and direction rotation at the same time, easy to unlock and brake operation, safe and stable for use. It’s good for transporting light furniture and displays smoothly and safely. Simply lock down the 2 lockable casters to make sure it remains safely stagnant.
【Wide Application】 Perfect cast iron wheel caster replacement for any standard wood dolly or cart, trolley, flight cases, furniture, wooden furniture, tool boxes, light machinery, suitable for use on all types of flooring such as warehouses, shops, restaurants, schools, and hospitals.