Kitchen Sink & Drain Strainer Basket is used for catching food scraps at the kitchen sink outlet while letting water drain freely. ASME A112.18.2 is the reference cited for it on drawings, datasheets and purchase orders.
What ASME A112.18.2 Means for Kitchen Sink & Drain Strainer Basket
The dimensions in the table below are supplied to suit ASME A112.18.2. Where the standard sets requirements for the finished appliance, device or system, compliance testing of that assembly stays with its manufacturer; we supply the metal mesh part to the drawing and can provide material certificates and dimensional reports with the shipment.
Kitchen Sink & Drain Strainer Basket Dimensions
| Size | Top diameter (mm) | Depth (mm) | Hole diameter (mm) | Type |
|---|---|---|---|---|
| Kitchen 114 | 114 | 45 | 2.0 | Perforated basket + stopper |
| Kitchen 80 | 80 | 35 | 2.0 | Perforated basket |
| Bath 40 | 40 | 8 | 1.5 | Flat hair catcher |
| Floor drain 100 | 100 | 20 | 3.0 | Perforated insert |
Specifying Kitchen Sink & Drain Strainer Basket Beyond the Standard
- Drain size: Kitchen sinks use a 3.5 in (89 mm) drain with a 114 mm flange basket.
- Hole size: 2 mm holds rice and scraps; 1.5 mm for bathrooms.
- Stopper: Choose a basket with a sealing stopper if the sink must hold water.
When Kitchen Sink & Drain Strainer Basket Is Not the Right Choice
Not a grease trap — fats still need separate interception in commercial kitchens.





