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Stainless steel undermount kitchen sink, 33x18 — SANIKB D3318SANIKB Undermount Kitchen Sink D3318
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Narrow Deep Double Bowl Undermount Stainless Steel Sink 33×18

SKU D3318
Certification
cUPC
Min. order
50 pcs
Lead time
30–45 days
Reply time
12h
Material SUS304 stainless steel, 18 gauge (1.2 mm)
Type Handmade undermount kitchen sink
Size 33" × 18" × 10" (838 × 457 × 254 mm) Custom sizes
Mount Undermount
Finish
Brushed stainless

Send a spec. Get a real quote in 12h.

Engineer-reviewed. cUPC · CE · ISO 9001 ready. 30–45 day lead time, FOB or CIF.

One itemised quote — not five
Feasibility & certification checked per market
Have a spec file? Email it with your reference number
— Project brief B2B only
Enquiry about Narrow Deep Double Bowl Undermount Stainless Steel Sink 33×18 SKU D3318
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Engineer reply within 24 working hours

12 consecutive years at KBIS and IBS.

— Most recent
Feb 2026 KBIS· Orlando, USA
Mar 2026 Expo Revestir· São Paulo, Brazil
16 years on the floor · 6 international shows annually
2026 Expo Revestir

2026Expo Revestir

São Paulo, Brazil
2026 KBIS

2026KBIS

Orlando, Florida
2025 KBIS

2025KBIS

Las Vegas, USA
2025 The Big 5

2025The Big 5

Dubai, UAE
2024 IBS

2024IBS

Orlando, USA
2024 Expo Guadalajara

2024Expo Guadalajara

Guadalajara, Mexico
2023 Canton Fair

2023Canton Fair

Guangzhou, China
2019 Cersaie

2019Cersaie

Bologna, Italy
2018 ISH

2018ISH

Frankfurt, Germany
2017 The Big 5

2017The Big 5

Dubai, UAE
2014 KBIS

2014KBIS

Las Vegas — US debut
2012 BAU

2012BAU

Munich, Germany

Standard on every shipment.

IAPMO cUPC certificate
ISO 9001 quality management certificate
WRAS approved product certificate
IAPMO certificate of listing
UDEM CE technical inspection certificate

Narrow And Deep

Two Deep Bowls Inside an 18 Inch Front to Back

Two bowls sit inside a 33 by 18 inch body on D3318, with 10 inches of published depth.

01 / DEPTH

Ten inches on a narrow body

The record gives one depth figure for the sink. Where a run of cabinets is shallow, depth is often the only way left to recover bowl volume.

02 / WIDTH

Eighteen inches front to back

That figure is tighter than most double bowl bodies. It matters on a narrow worktop or where a wall mounted tap sits close behind the sink.

Both bowls sit inside a single body. Compare it with the other stainless steel kitchen sinks before the worktop is templated.

Fit & Clearance

Worktop Depth Behind a 33 by 18 Sink

One overall figure is published, with no bowl breakdown.

Overall Size 33" × 18" × 10" (838 × 457 × 254 mm)
Mount Undermount
Bowl Layout Double bowl (from tags)
Model D3318

At 18 inches front to back the body leaves less room behind it than a 20 inch sink. Set the tap position and any upstand out on the drawing before the worktop is cut.

The summary does not say whether both bowls carry the full 10 inch depth. Confirm that on the drawing, because a waste disposer under one bowl needs the space measured, not assumed.

Ask where the trap sits relative to the divider before the cabinet is fitted out.

Construction & Finish

Where 1.2 mm Sits in the D3318 Record

The material line carries two numbers.

18 GAUGE

Gauge published as 1.2 mm

The record states SUS304 stainless steel at 18 gauge, given as 1.2 mm. That is the only thickness figure published, and it is quoted here exactly as written.

Specification also describes the sink as handmade, and the finish as brushed stainless. Anything beyond those words, such as underside treatment or packaging inserts, should be asked for in writing.

Have the gauge restated on the proforma invoice so it travels with the order.

Compliance

Market Documents for a Double Bowl Undermount

DOC
Answered inside the quotation

The document list is agreed for D3318 before production. Marking and carton language follow the destination you nominate.

Nothing in the D3318 record names a certification body, a standard number or a test report. No approval is claimed for this model on this page.

Buyers importing into regulated markets normally ask for the document position early. Raise it with the RFQ so the answer forms part of the quotation rather than a later exchange.

Procurement

Stock Planning Around the D3318 Minimum

A narrow body usually rides alongside a main line.

Published MOQ 50 pcs
Standard Lead Time 30-45 days (typical)

Distributors usually place a narrow body sink as a secondary line rather than a lead item. Send your expected annual take so the price break can be set against the real volume.

Distributors who already stock a 20 inch body sometimes want this one matched to it. Depth changes, bowl splits and own-brand cartons are worked out inside the SANIKB OEM and ODM program.

Include these details with the RFQ

  • Annual volume and call-off pattern
  • Drawing with both bowl depths
  • Tap ledge or drilling requirement
  • Waste opening size
  • Carton size and weight per unit
  • Container quantity estimate

Dates are quoted against a booked slot rather than against this page.

How we work

From enquiry to shipment

A factory-direct process built for importers, distributors and project buyers. No trading layer in between.

  1. 01

    Send the enquiry

    Tell us the model, quantity, destination market and any branding or packaging requirement. A spec sheet or drawing helps but is not required to start.

    Replied within 12 hours
  2. 02

    Our sales team contacts you

    A named account manager follows up by email or WhatsApp, confirms the specification and clarifies anything missing before pricing.

    Email or WhatsApp
  3. 03

    Quotation

    You receive a written quotation with unit price, MOQ, packing details, lead time and the trade term you asked for. Entry, mid and premium build levels can be quoted side by side.

    FOB or CIF
  4. 04

    Sample approval

    We send a sample for finish, function and packaging sign-off. Branded samples are produced once artwork is confirmed.

    Before mass production
  5. 05

    Production and shipment

    Mass production starts after sample approval and deposit. QC and inspection run before loading, then the order ships to the agreed port.

    30–45 days after approval
50+ New models developed every year, tracking current North American and European trends
12h Maximum first response to an enquiry
Since 2000 Foshan factory, B2B trade only

OEM and ODM to your specification

We develop to a brief. Send a reference model, a drawing or simply the price band and market you are targeting, and we will propose what fits. Entry, mid and premium builds are all available from the same factory.

  • Your logo on product, carton and documentation
  • Private-label packaging and manuals
  • Custom finish matched to your standard
  • Custom dimensions and tooling where volume supports it
  • Product development from your reference or price target
  • Destination-market documentation prepared on request

FAQs

Why is this sink only 18 inches front-to-back?

Its 18-inch shallow front-to-back footprint suits narrow or 36 inch base cabinets where deeper stainless steel kitchen sinks would not fit, while keeping full 10-inch bowl depth.

How deep are the bowls?

Both bowls are 10 inches deep, giving generous capacity despite the narrower 18-inch cabinet-friendly width.

What grade of steel and what MOQ?

SUS304 18-gauge (1.2 mm) brushed stainless. We OEM/ODM custom dimensions at a low MOQ for projects. Request a quote.