Specification Brand : Service Caster BulletPoint : stem casters BulletPoint1 : These Service Caster Series #20 Polyurethane casters offer various wheel sizes and mounting heights: 3” Wheel: 4-1/8” mounting height; 3-1/2” wheel: 4-5/8” mounting height; 4” wheel: 5-1/8” mounting height; 5” wheel: 6-1/8” mounting height; 6” wheel: 7-1/8” mounting height. Wheels are offered in five different colors – Gray, Blue, Black, Maroon, and Red. BulletPoint2 : Weight Capacity: 3" and 3.5": 300 lbs Capacity/Caster; 4", 5", and 6": 350 lbs Capacity/Caster BulletPoint3 : All casters feature a 3/8” diameter (16 TPI x 1-1/2”) threaded stem. Threaded stems can be difficult to measure. Service Caster recommends having existing threads checked on a thread gauge to determine correct thread size before ordering. Don't see the size you need? No problem! Call us or message us by clicking the blue Service Caster Corporation hyperlink underneath the buy or add to cart button and then clicking the ask a question button. BulletPoint4 : Brake options include a top lock brake (TLB) or a total lock brake (TTL). The top lock brake (TLB), which is featured on 3", 3-1/2", 4", and 5" wheel sizes, places a positive locking force against the wheel tread locking the wheel only. The total lock brake (TTL), which is featured on all wheel sizes, also places a positive locking force against the wheel tread, but the total lock brake (TTL) simultaneously locks the wheel and the swivel for a complete stationary position. BulletPoint5 : Find other wheel materials, sizes and all Service Caster products at our Amazon Storefront. Click on the “by Service Caster” link above the main title on any Service Caster page listing. Color : Swivel - No Brake - Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 670533898643 ExternallyAssignedProductIdentifier2 : 0670533898643 ExternallyAssignedProductIdentifier3 : 00039003090237 IncludedComponents : No ItemDisplayDimensions_Length : 100 centimeters ItemName : Polyurethane Swivel Threaded Stem Caster w/3.5" x 1.25" Black Wheel and 3/8" Stem - 300 lbs Capacity/Caster - Service Caster Brand ItemPackageDimensions_Height : 23.1 centimeters ItemPackageDimensions_Length : 6.5 centimeters ItemPackageDimensions_Width : 14.3 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : stem-casters LoadCapacity : 300.0 pounds Manufacturer : Service Caster Material : Polyurethane Tread on Polyolefin Core Material1 : Rubber Material2 : Polyurethane Material3 : Polyethylene (PE) Material4 : Wood Material5 : Steel ModelNumber : Series #20 MountingType : Stem Mount NumberOfItems : 1 PartNumber : SCC-TS20S3514-PPUB-BLK-381615 Pattern : 2 inch ProductDescription : Listing is for one (1) Service Caster Series #20 swivel caster with a 3-1/2" diameter by 1-1/4" wide black polyurethane wheel and a 3/8" threaded stem capable of supporting 250 lbs./caster.When searching for a reliable and durable solution to your caster needs, consider Service Caster’s Series 20 threaded stem polyurethane casters. The Service Caster Series #20 is ideal for light and medium duty material handling, carts, equipment, and shop projects. The bolt hole can accept a bolt or a customized stem, allowing for any type of mounting requirement. The zinc plated finish provides durability under any condition, while the non-marking, non-marring polyurethane wheels perform especially well on hard surfaces such as concrete, tile, and wood. All rolling on a finely crafted ball bearing design that will keep you moving forward. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward. ProductSiteLaunchDate : 2019-04-30T17:54:54.000Z Size : 3.5" Wheel Style : M12*30 SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 4 WebsiteShippingWeight : 3 pounds