Hirate 3 inch Caster with 5/16"-18UNC Threaded Stem(2 Casters with Brake Lock, 3 Without), Lockable Bearing Swivel Stem Casters with Screw Inserts Safe for All Type Floor

Hirate 3 inch Caster with 5/16"-18UNC Threaded Stem(2 Casters with Brake Lock, 3 Without), Lockable Bearing Swivel Stem Casters with Screw Inserts Safe for All Type Floor

• 【Imperial Stem Size】: Our caster are standard 5/16" with 18 TPI,Coarse Thread (US), the stud diameter is 5/16"-18UNC and the stud length is 0.79"(20mm), if your stem socket is METRIC M8, this caster is not suitable, please check before buy.
• 【Single Lockable Casters】: The package includes 3 Standard caster and 2 CASTERS 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 Casters】: Our chair casters are made from industrial-grade steel, precision ball bearings, and soft polyurethane chair casters, can support up to 650 lbs for 5 pack 3 INCH casters, can be widely used for most chairs and other furniture with IMPERIAL STEM 5/16" only.
• 【Valuable Purchase】: The Hirate branded color-boxed package comes with set of 5 caster (2 with brake, other 3 without) and few 5/16"-18 thread Screw Inserts.