How the Five Compare on the Numbers
Every figure below comes from the manufacturer fact sheet. The five sinks span a wide range: the Houzer is published at 13 pounds and the SPECRAFT at 106 pounds, and the SPECRAFT is also the longest at 60 inches. The Kraus publishes the most complete set of numbers, including a 36 inch minimum cabinet size and a bowl measurement of 31 by 16 by 10 inches. The BK Resources and Houzer listings leave more blank.
What the numbers do not settle is which sink belongs in your kitchen. A 60 inch freestanding unit and a 33 inch drop in bowl are not competing for the same opening. Read the compartment count, the certification and the accessory list first, then use the dimensions to confirm the fit. The table below puts the published figures side by side.
The table cannot tell you whether a sink will fit your cabinet, because only the Kraus publishes a minimum cabinet size. It cannot tell you how a sink sounds when water hits it, because no maker publishes that. And it cannot tell you whether the finish will hold up, because that is a claim, not a measurement. Treat the table as a fit check and a feature check, nothing more.
Workstation Sinks and What the Ledge Changes
Working over the basin
The Kraus Kore publishes an integrated ledge that holds accessories directly over the bowl, and the maker states the sink ships with a bamboo cutting board, a roll-up dish rack, a protective bottom grid and a drain assembly with cover. That combination is the reason to choose it over a plain bowl. Chopping and drying happen above the basin, so crumbs and water fall in rather than onto the counter.
The SPECRAFT publishes a different kind of workspace. It is a 60 inch freestanding unit with a lower cabinet, a rotating faucet and a raised backsplash, and the maker states it can serve as a prep table, a cleaning station or a lab work area. It is not a sink you drop into a counter. It is a piece of equipment you stand on the floor and plumb in place.
What the accessories do not cover
Neither the Kraus nor the SPECRAFT publishes a bowl depth figure separate from the external height. The Kraus publishes a bowl measurement of 31 by 16 by 10 inches, which is the most complete bowl figure on the sheet. The SPECRAFT publishes no bowl dimensions at all. If bowl volume matters to you, the Kraus is the one with a stated bowl size.
The Houzer and the Swanstone publish no accessory list. The Swanstone does publish a 450 degree prolonged heat rating for its solid surface body, which is a material claim rather than an accessory one. That rating is the reason to consider it if hot pans near the sink are a concern in your kitchen.
Certification, Compartments and Pack Size
The commercial listing
The BK Resources sink is the only one of the five the maker states is NSF certified to meet standards for public health protection. It publishes two compartments at 14 by 16 by 6 inches each, a top mount design that accommodates 8 inch on center faucets, and two basket drains with crumb cups. For a restaurant, a lab or any kitchen that gets inspected, that certification is the deciding line.
The same sink publishes a 23 gauge T-304 stainless steel body. The Kraus publishes 16 gauge. A lower gauge number means thicker steel, so the Kraus body is the thicker of the two as stated. The BK Resources listing does not publish a shipping weight, so the 25 pound figure on this page is not confirmed by the maker.
Buying in bulk and buying light
The Houzer is sold as a set of 20 topmount sinks, and the maker states the design is ADA compliant with a 6 inch depth. At 13 pounds per sink as published, it is the lightest of the five. That pack size is aimed at contractors, builders and large renovations rather than a single kitchen, and the listing says so directly.
The Swanstone is the other end of the material question. It is a solid surface sink the maker states is renewable and will not wear away, pre-drilled with one faucet hole, and published at 33 pounds. It is a single bowl drop in, so it does not offer a second compartment or a ledge. Its published claim is about the body, not the layout.
Which One Fits Your Kitchen
You prep on the counter and want it off the counter. The Kraus Kore publishes a ledge and ships with a cutting board and rack, so chopping and drying happen over the bowl. Check the 36 inch minimum cabinet size before you buy.
You run a kitchen that gets inspected. The BK Resources two compartment sink is the only NSF certified pick here, with two basket drains included. Its two bowls are published at 14 by 16 by 6 inches each.
You want a solid surface bowl that takes heat. The Swanstone publishes a 450 degree prolonged heat rating and a renewable solid surface body. It is a single bowl drop in with one faucet hole pre-drilled.
You need a sink, a cabinet and a faucet in one unit. The SPECRAFT is a 60 inch freestanding stainless workstation with a lower cabinet and a rotating faucet. It stands on the floor rather than dropping into a counter.
You are fitting out many units at once. The Houzer comes as a set of 20 topmount sinks, each published at 13 pounds and stated as ADA compliant. It suits contractors and large renovations.
What We Could Not Verify
Several figures a buyer would want are simply not on the sheet. Where a maker states nothing, this page says so rather than filling the gap.
- A bowl depth figure stated separately from the external height for the Swanstone, Kraus and SPECRAFT sinks.
- The stainless steel gauge for the SPECRAFT and Houzer sinks.
- Bowl dimensions for the Houzer sink.
- A shipping weight for the BK Resources sink.
- The number of faucet holes on the Kraus, SPECRAFT and CozyHommie listings.
- Any statement of disposal compatibility for any of the five sinks.