MySit 2" Swivel Stem Caster Wheel, Screwed Bolt 1/4" x 1" - 20, 4-Pack

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About MySit 2" Swivel Stem Caster Wheel, Screwed Bolt

This stem is U.S. unit thread, Not Metric thread, Please purchase one for testing if your order quantity over 5. Note: 1/4 \" threaded stem diameter is the convex bigger diameter instead of concave thinner diameter. This is 2" Swivel Stem Caster Wheel, Screwed Bolt 1/4"- 20x1", No Lock Version. Pack of 4. Note: This is NOT for chair use,too narrow for chair. This is course Stem thread Englisth Unit / IMPERIAL SIZE with Thickness 1/4 inch threaded bolt, NOT Fine Threading. For Bigger thickness English Unit Stem 5/16"-18x1", Please buy assin:B07JJSVXPF,B07811YDZQ. For Larger thickness Metric Unit Stem M8x25mm, Please buy assin:B07597TSHK. Mounting height of 2" swivel is 2-3/8", not 2". Please Measure the stem diameter of your old casters before buying, in case of buying the wrong size caster, wasting time and money. See the Problems happened before: a: the stem\'s tread is slightly too large/does not enter screw doesnt fit into chair base b: STEM NOT FIT or Wrong size selected c: I needed 1/4 threaded caster I ordered 5/16 threads instead d：Wrong bolt size. Comment: 1/4 inch diamter stem casters are not for chairs. This 1/4 inch screwed stem caster has the stem diameter exactly 1/4 inch. If you find the stem diameter is not 1/4", please take a photo of the caster stem and barcode label and contact the seller for after-sale service. Amazon may possibly ship the wrong product to you. For bigger stem caster, usually more heavy duty need bigger stem. you can select 5/16”stem caster, see assin: B07811YDZQ you can select 10mm stem caster, see assin: B06XPYDYP3 If you have any problem, feel free to contact us.